User:Kheider

Source: Wikipedia, the free encyclopedia.

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 (As of November 2015, 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:

Haumea (dwarf planet), Ceres (dwarf planet), Moons of Uranus, Halley's Comet, 90377 Sedna

GA:
Plutoid

Works in progress:
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:
2012 DA14

Articles that I started:

2000 YH2, (120216) 2004 EW95, 2003 LA7, (182294) 2001 KU76, (131697) 2001 XH255, (131696) 2001 XT254

2007 UK126

38P
(hybrid)
2P/Encke?), 14827 Hypnos, (137108) 1999 AN10

P/2011 NO1

Others:
2004 VN112 (detached
)
Meteors: 2014 Ontario fireball, Novato meteorite
Stars:
HIP 105766, Template:Solar encounters, Gliese 208

Galaxies: UDF 423, NGC 5177, PKS 2000-330, 3C 147, 3C 371, 3C 66A, NGC 7332
inclination of 22.9°. (Template:Footer TNOList) (TNOs
)
(119070) 2001 KP77: Reddest measured B-V color index of any TNO.
PHA passes near the Earth
On February 25, 2008.
main-belt comet
(176P).
2907 Nekrasov
: Some articles incorrectly state that 2907 will collide with the Earth on December 16, 2880.

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.

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 350.4×303.7km, 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.

Gallery
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