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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2137881674132492 | 5.0128e-08 | |
| a | 2.5478863640219 | 9.7574e-09 | au |
| q | 2.003178407480451 | 1.3012e-07 | au |
| i | 5.602013964710111 | 4.8961e-06 | deg |
| node | 319.3035325720111 | 4.112e-05 | deg |
| peri | 140.4543169518915 | 4.1955e-05 | deg |
| M | 251.4310868355829 | 1.0677e-05 | deg |
| tp | 2459648.493278626415
(2022-Mar-09.99327863) | 4.5751e-05 | TDB |
| period | 1485.485813616555
4.07 | 8.5333e-06
2.336e-08 | d
yr |
| n | .242344959945155 | 1.3921e-09 | deg/d |
| Q | 3.092594320563349 | 1.1843e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.4 |
|
n/a |
MPO474012 |
|
| diameter |
diameter |
3.463 |
km |
0.055 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.234 |
|
0.020 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 18610 Arthurdent | Discovered 1998 Feb. 7 at Starkenburg Observatory. |
| The earthling Arthur Dent is confronted with the adversities of life, the universe and everything in a highly amusing and entertaining way in Douglas Adam's famous five-volume trilogy The Hitch Hiker's Guide to the Galaxy. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20010509/MPCPages.arc | Last Updated: 2009-05-11 |
|
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