Results

Astrometric results of NEOs observed from Great Shefford can be found listed on the NEODYS J95 page.

A total of 4,388 positions of NEOs were obtained with the original 12" telescope and submitted to the Minor Planet Center in the first three years of operation, from 10 June 2002 - 23 June 2005.

First results with the 16" telescope were achieved on 27 June 2005 and the total number of NEO positions reported using both telescopes reached 38,940 by January 2024.

Contributions from Great Shefford have been published in the IAU Circulars and in the Minor Planet Center's Electronic Circulars (number of circulars in each year)

IAUCs

MPECs 2024 (in progress)

MPECs 2023 (488)

MPECs 2022 (606)

MPECs 2021 (490)

MPECs 2020 (683)

MPECs 2019 (511)

MPECs 2018 (606)

MPECs 2017 (489)

MPECs 2016 (460)

MPECs 2015 (346)

MPECs 2014 (359)

MPECs 2013 (346)

MPECs 2012 (420)

MPECs 2011 (321)

MPECs 2010 (291)

MPECs 2009 (364)

MPECs 2008 (363)

MPECs 2007 (325)

MPECs 2006 (396)

MPECs 2005 (349)

MPECs 2004 (343)

MPECs 2003 (346)

MPECs 2002 (142)

Every few weeks Jost Jahn generates a very useful summary of the work published in the MPECs for all observatories here, with pages specific to Great Shefford (J95) for all MPECs containing J95 positions and MPECs announcing discoveries containing J95 positions.

Work from Great Shefford has been published or referenced in the following papers:

Pastorello, A., Valenti, S., Zampieri, L., Navasardyan, H., Taubenberger, S., Smartt, S. J., Arkharov, A. A., Bärnbantner, O., Barwig, H., Benetti, S., Birtwhistle, P., Botticella, M. T., Cappellaro, E., Del Principe, M. and 20 colleagues (2009). "SN 2005cs in M51 - II. Complete evolution in the optical and the near-infrared" MNRAS, Volume 394, Issue 4, 2266–2282

Birtwhistle, P. (2009). "Lightcurves for Five Close Approach Asteroids" Minor Planet Bulletin Vol. 36, No. 4, p. 186-187 (7.6Mb download) MPB download index here.

Scheirich, P., Durech, J., Pravec, P., Kozubal, M., Dantowitz, R., Kaasalainen, M., Betzler, A. S., Beltrame, P., Muler, G., Birtwhistle, P., Kugel, F. (2010). "The shape and rotation of asteroid 2008 TC3" Meteoritics & Planetary Science, Volume 45, Issue 10-11, pages 1804–1811

Birtwhistle, P., Masiero, J. (2011). "Lightcurves for Six Close Approach Asteroids" Minor Planet Bulletin Vol. 38, No. 1, p. 36-39 (7.0Mb download) MPB download index here.

Birtwhistle, P. (2011). "Lightcurves for Five Close Approach Asteroids" Minor Planet Bulletin Vol. 38, No. 2, p. 104-107 (10.1Mb download) MPB download index here.

Jenniskens P. et al. (2016). "Airborne Observations of an Asteroid Entry for High Fidelity Modeling: Space Debris Object WT1190F" AIAA Science and Technology Forum and Exposition (SciTech 2016), 4–8 Jan. 2016, San Diego, CA. Video of public talk on WT1190F re-entry by Peter Jenniskens on youtube here.

Fernández, J.A., Licandro, J., Moreno, F., Sosa, A., Cabrera-Lavers, A., de León, J., Birtwhistle, P. (2017). "Physical and dynamical properties of the anomalous comet 249P/LINEAR". Paper accepted in Icarus arXiv:1704.04639 [astro-ph.EP]

Birtwhistle, P. (2018). "Lightcurve Analysis for Four Near-Earth Asteroids" Minor Planet Bulletin Vol. 45, No. 2, p. 178-181 (29.5Mb download) MPB download index here.

Birtwhistle, P. (2018). "Lightcurve Analysis for Two Near-Earth Asteroids Eclipsed by the Earth's Shadow" Minor Planet Bulletin Vol. 45, No. 3, p. 215-219 (10.4Mb download) MPB download index here.

Moskovitz, N., Benson, C., Scheeres, D., Endicott, T., Polishook, D., Binzel, R., DeMeo, F., Ryan, W., Ryan, E., Willman, M., Hergenrother, C., Verveer, A., Lister, T., Birtwhistle, P., Sickafoose, A., Nagayama, T., Gilmore, A., Kilmartin, P., Bennechi, S., Smirnova, O. (2019). "Observational investigation of the 2013 near-Earth encounter by asteroid (367943) Duende" Icarus November 2019

Birtwhistle, P. (2020). "Lightcurve Analysis for Four Near-Earth Asteroids" Minor Planet Bulletin Vol. 48, No. 1, p. 26-29 (24.4Mb download) MPB download index here.

Birtwhistle, P. (2021). "Lightcurve Analysis for Ten Near-Earth Asteroids" Minor Planet Bulletin Vol. 48, No. 2, p. 180-186 (48.3Mb download) MPB download index here.

Birtwhistle, P. (2021). "Lightcurve Analysis for Nine Near-Earth Asteroids" Minor Planet Bulletin Vol. 48, No. 3, p. 286-293 (31.6Mb download) MPB download index here.

Birtwhistle, P. (2021). "Lightcurve Analysis for Six Near-Earth Asteroids" Minor Planet Bulletin Vol. 48, No. 4, p. 341-345 (17.4Mb download) MPB download index here.

Birtwhistle, P. (2021). "Ultra-fast Rotators: Results and Recommendations for Observing Strategies" Minor Planet Bulletin Vol. 48, No. 4, p. 346-352 (17.4Mb download) MPB download index here.

Kwiatkowski, T.,Kolenczuk, P., Kryszczynska, A., Oszkiewicz, D., Kaminski, K., Kaminska, M. K., Troianskyi, V., Skiff, B., Moskowitz, N., Kashuba, V., Kim, M.-J., Kim, T., Mottola, S., Santana-Ros, T., Kluwak, T., Buzzi, L., Bacci, P., Birtwhistle, P., Miles, R., J. Chatelain. (2021). "Photometry and model of near-Earth asteroid 2021 DW1 from one apparition" Astronomy & Astrophysics, 656 (2021) A126.

Campbell, T., Furfaro, R., Reddy, V., Battle, A., Birtwhistle, P., Linder, T., Tucker, S., Pearson, N. (2022). "Bayesian Approach to Light Curve Inversion of 2020 SO" J Astronaut Sci (2022). https://doi.org/10.1007/s40295-021-00301-z

Birtwhistle, P. (2022). "Lightcurve Analysis for Eleven Near-Earth Asteroids" Minor Planet Bulletin Vol. 49, No. 2, p. 90-97 (21.3Mb download) MPB download index here.

Birtwhistle, P. (2022). "Lightcurve Analysis for Nine Near-Earth Asteroids" Minor Planet Bulletin Vol. 49, No. 3, p. 169-175 (20.3Mb download) MPB download index here.

Birtwhistle, P. (2022). "Lightcurve Analysis for Seven Near-Earth Asteroids" Minor Planet Bulletin Vol. 49, No. 4, p. 280-286 (33.6Mb download) MPB download index here.

Birtwhistle, P. (2023). "Lightcurve Analysis for Eight Near-Earth Asteroids" Minor Planet Bulletin Vol. 50, No. 1, p. 26-33 (30.2Mb download) MPB download index here.

Birtwhistle, P. (2023). "Lightcurve Analysis for Fourteen Near-Earth Asteroids Observed 2003 - 2022" Minor Planet Bulletin Vol. 50, No. 2, p. 131-142 (22Mb download) MPB download index here.

Birtwhistle, P. (2023). "Lightcurve Analysis for Two Near-Earth Asteroids Observed in January 2023" Minor Planet Bulletin Vol. 50, No. 3, p. 202-205 (14Mb download) MPB download index here.

Birtwhistle, P. (2023). "Lightcurve Analysis for Four Near-Earth Asteroids Observed April-June 2023" Minor Planet Bulletin Vol. 50, No. 4, p. 295-300 (25Mb download) MPB download index here.

Birtwhistle, P. (2024). "Lightcurve Analysis for Six Near-Earth Asteroids Observed in 2009, 2017 and 2023" Minor Planet Bulletin Vol. 51, No. 1, p. 66-71 (23Mb download) MPB download index here.

Birtwhistle, P. (2024). "Lightcurve Analysis for Nine Near-Earth Asteroids Observed between 2009 - 2023" Minor Planet Bulletin Vol. 51, No. 2, p. 184-191 (33Mb download) MPB download index here.

Birtwhistle, P. (2024). "Lightcurve Analysis for Seventeen Near-Earth Asteroids Observed between 2009 - 2024" Minor Planet Bulletin Vol. 51, No. 3, p. 277-289 (26Mb download) MPB download index here.

Birtwhistle, P. (2024). " Lightcurve Analysis For 6 Near-Earth Asteroids Observed Between 2010 and 2024 " Minor Planet Bulletin Vol. 51, No. 4, p. 363-368 (19Mb download) MPB download index here.

The discovery circumstances of the minor planets discovered from Great Shefford are listed here. 112 of these discoveries have been numbered as of July 2024.

Some images are available on the Comets, Minor planets and Gamma Ray Burster (GRB) pages on The Astronomer magazine web site.

Herbert Raab used images from Great Shefford for his 'Image of the Month' for Feb 2003 and Nov 2004 and also for asteroid (3184) Raab on the Astrometrica site.

Bill Allen's excellent Major News About Minor Objects site has included numerous images and snippets from Great Shefford and can be explored via the Wayback Machine Internet Archive.

Statistics from the observing sessions undertaken at Great Shefford are updated monthly and listed here.