| [1] | EARN | 1.) DeMeo, F.E. et al. (2014) Icarus 227, 112-122. (Mars encounters cause fresh surfaces on some near-Earth asteroids) (contains taxonomic classification of 249 NEAs) |
| [2] | EARN | 1.) Alexey V. Sergeyev and Benoit Carry A&A, 652 (2021) A59 |
| [3] | EARN | 1.) Hicks, M. et al. (2010) href="http://www.astronomerstelegram.org/?read=2449"> ATel#2449 (Broadband Colors and Rotation Lightcurves of the Potentially Hazardous Asteroid 2009 UN3) 2.) Somers, J.M. et al. (2010) DPS 42, 1316. (abstract) (Optical Characterization Of Planetary Radar Targets, Low-deltaV, And Potentially Hazardous Asteroids: Results From 2009-2010) 3.) DeMeo, F.E. et al. (2014) Icarus 227, 112-122. (Mars encounters cause fresh surfaces on some near-Earth asteroids) (contains taxonomic classification of 249 NEAs) |
| [4] | EARN | Earth Asteroids Research Node: https://earn.dlr.de |
| [5] | EARN | 1.) Hicks, M.; Barajas, T.; Shitanishi, J. (2010) Astronomer's Telegram 2449. http://www.astronomerstelegram.org. |
| [6] | EARN | 1.) Hicks, M. et al. (2010) href="http://www.astronomerstelegram.org/?read=2449"> ATel#2449 (Broadband Colors and Rotation Lightcurves of the Potentially Hazardous Asteroid 2009 UN3) 2.) Polishook, D. (2012) MPB 39, 187-192. (LIGHTCURVES AND SPIN PERIODS OF NEAR-EARTH ASTEROIDS, THE WISE OBSERVATORY, 2005 - 2010) (1862,3361,5143,10115,40267,66251,68216,86829,105140,138893,141432,141495,152931,185851,2009UN3) |
| [7] | ESA Aegis | ESA orbit determination and impact monitoring system |
| [8] | EARN | 1.) Hicks, M. et al. (2010) href="http://www.astronomerstelegram.org/?read=2449"> ATel#2449 (Broadband Colors and Rotation Lightcurves of the Potentially Hazardous Asteroid 2009 UN3) |
| [9] | Estimation | Estimated from absolute magnitude |
| [10] | EARN | 1.) Betzler, A. et al. (2010) MPB 37, 95-97. (Photometric Observations of the Near-Earth Asteroids 1999 AP10 2000 TO64, 2000 UJ1, 2000 XK44, 2001 MZ7, 2003 QO104, 2005 RQ6, 2005 WJ56, and 2009 UN3) |
| [11] | EARN | 1.) href="http://echo.jpl.nasa.gov/asteroids/index.html">JPL's NEO Radar Detection Program Webpage 2.) Slade, M.A. et al. (2010) DPS 42, 5701. (abstract) (First Results Of The New Goldstone Delay-Doppler Radar Chirp Imaging System) (2009UN3,2010AL30) |
