User:Kheider

Welcome! My name is Kevin Heider from Sacramento, California. I spend most of my wiki-time with the asteroids and TNOs. My first edit was on 2006-Sept-04. I have over 20,000 edits on Wikipedia and have uploaded 180 images to commons.

NEODyS / AstDyS JPL Small-Body Database Search Engine (, there are 700,000+ objects known in the Solar System.) JPL Solar System Simulator / JPL Small-Body Database Browser / Ephemeris

I made substantial contributions/edits to the following articles: FA: Triton (moon), Neptune, Mercury (planet), Formation and evolution of the Solar System, Makemake (dwarf planet), Haumea (dwarf planet), Ceres (dwarf planet), Moons of Uranus, Halley's Comet, 90377 Sedna GA: 4 Vesta, 2 Pallas, 3 Juno, Plutoid Works in progress: Resonant trans-Neptunian object, Centaur (minor planet), Detached object, List of Solar System objects by size, List of notable asteroids, List of dwarf planet candidates, Apparent magnitude, 50000 Quaoar, 90482 Orcus, 38628 Huya, (84522) 2002 TC302, and (119951) 2002 KX14 Start-class articles that I have worked on: 2007 WD5, 2006 RH120, 2006 SQ372, Gliese 710, T Pyxidis, HIP 85605, C/2010 X1, 2005 YU55, SN 2011dh, 2012 DA14

Articles that I started: Resonant: 2000 YH2, (120216) 2004 EW95, 2003 LA7, (182294) 2001 KU76, (131697) 2001 XH255, (131696) 2001 XT254 Dwarf planet candidates:, , , 2010 RE64, 2010 KZ39, 2008 ST291, (82075) 2000 YW134, 2003 QX113‎, 2007 JH43‎, (145480) 2005 TB190, 2007 OR10, 2005 QU182, (202421) 2005 UQ513, 2003 UZ413, 2007 UK126 Centaurs: 1995 SN55, 2008 QD4, 2005 VD, (44594) 1999 OX3, 38P (hybrid) Near-Earth objects:, , , , , , , , , , , , , , 2009 RR, 2014 AA, , , , , , , , , , , , (1914),  (1925),  (1969),  (1971),  (1976), ,  (78.58 km/s),  (Vesta),  (2P/Encke?), 14827 Hypnos, (137108) 1999 AN10 Comets: C/1999 F1, C/1999 S4, C/2000 U5, C/2000 W1, C/2001 OG108 (LONEOS), C/2011 J2, C/2012 K1, C/2012 S1, C/2013 A1, C/2013 R1, C/2013 US10, C/2013 V5, C/2014 Q2, C/2014 Q3, 43P/Wolf-Harrington, 62P/Tsuchinshan, 72P/Denning–Fujikawa, 94P/Russell, 163P/NEAT, 209P/LINEAR, 238P/Read, 246P/NEAT, P/2006 T1 (Levy), P/2010 A2, P/2011 NO1 Others: Uncertainty Parameter U, 2007 TG422, 2005 CB79 (H=5; sub-dwarf), Skynd (crater), Turgis (crater), Gertrude (crater), 2007 VL305 (Neptune trojan), 2004 VN112 (detached) Meteors: 2014 Ontario fireball, Novato meteorite Stars: WISE 1049-5319, RX Leporis, R Scuti, UDF 2457, HIP 105766, Template:Solar encounters, Gliese 208 Galaxies: UDF 423, NGC 5177, PKS 2000-330, 3C 147, 3C 371, 3C 66A, NGC 7332 1995 GJ: first known cubewano with an inclination of 22.9°. (Template:Footer TNOList) (TNOs) 2002 TD66: PHA passes near the Earth On February 25, 2008. 118401 LINEAR: Asteroid and main-belt comet (176P). 2907 Nekrasov: Some articles incorrectly state that 2907 will collide with the Earth on December 16, 2880.
 * Reddest measured B-V color index of any TNO.

Some of my older pre-2008 edits when I was starting out on Wikipedia: 19 Fortuna (Darkoid):Re-write. Update refs, albedo 0.037, surface, APmag. 624 Hektor (Trojan): Update Refs, Albedo 0.025. 619 Triberga: Re-write. 4 year orbit that helped calculate the mass of the moon. 349 Dembowska: Re-write. Unusually high albedo of 0.384 and may have undergone partial melting/differentiation. 433 Eros (NEA):Re-write. (Table)  Mag 8.1 in 2012 and mag 7.1 in 2056. (81 year cycles) APmag:Mars ref, mag, opp; Pluto 13.65; Ceres 6.7 (2012-12-18); 3 Juno mean 8.7; 3753 Cruithne NEA 15.8 (2007-Oct-31); 471 Papagena Infobox (91133) 1998 HK151: Bluest measured B-V color index of any TNO. (42301) 2001 UR163: Reddest measured B-R color index of any object in the solar system. (55636) 2002 TX300: Changed diameter to a 530-709 range, changed albedo, added spectra, and re-worded. (84522) 2002 TC302: Added spectral_class = red, changed diameter to a 420 - 1190 range, and cleaned-up. 90377 Sedna: Added spectral_class = red (Ref clean-up.) (Talk Sedna Albedo) Uranus: During the formation of the planets, Uranus collided with an Earth sized protoplanet. 50000 Quaoar: 18.5 magnitude and re-write. 2004 XP14: Changed size, added AU distance and links. 2004 FU162 (Meteoroid): Fixed wiki link to Record-setting close approaches to Earth. 854 Frostia: Changed size and satellite info and added rotation peroid. List of noteworthy asteroids: Added 118401 LINEAR and 2004 XP14. 3D/Biela: Added some history (Ref clean-up.)  15,000 per hour outburst. 704 Interamnia: Changed to 'fifth most massive asteroid', changed dimensions to 350.4&times;303.7km, and added many links. 2 Pallas: Is Ceres still an asteroid fallout. Magnitude 6.96 (2014-02-25). 152 Atala: Changed size to a 71-122 range and added many links. 4 Vesta: Added comments about Vesta being differentiated.(How to mark refs) 8 Flora: Added JPL Java simulation and GIF of Nov 15th, 2007 opposition. Magnitude 7.9 (2007-11-18). Image deletion. 38628 Huya: Changed size to 480km and commented on possible dwarf planet status. Update links, wording, opposition. 90482 Orcus: The 1st time someone rv me. :-) 2000 CR105: Changing aphelion to 397AU and size to 265km.