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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.
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1827987341812045 | 4.6237e-08 | |
| a | 2.539797071746359 | 1.3063e-08 | au |
| q | 2.075525381953994 | 1.1928e-07 | au |
| i | 9.769224010424956 | 4.9062e-06 | deg |
| node | 83.51675407356457 | 2.0062e-05 | deg |
| peri | 182.857511967331 | 2.2228e-05 | deg |
| M | 251.7402957478474 | 1.0497e-05 | deg |
| tp | 2459445.091637523657
(2021-Aug-18.59163752) | 4.4036e-05 | TDB |
| period | 1478.417021496103
4.05 | 1.1406e-05
3.123e-08 | d
yr |
| n | .2435036899370201 | 1.8786e-09 | deg/d |
| Q | 3.004068761538723 | 1.5451e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.8 |
|
n/a |
MPO421782 |
|
|
| 16972 Neish | Discovered 1998 Nov. 21 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. |
| Catherine D. Neish (b. 1981) is a professor at the University of Western Ontario who studies Titan, the Moon and Venus using orbital radar. Previously known by the moniker Katie Dot, she is an avid scuba diver, a champion for social justice, and mother to Penelope. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: MPC batch dated 2017-12-03 | Last Updated: 2017-12-07 |
|
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Alternate Designations
| 1998 WK11 = 1994 XS2 = 1999 XZ164 |
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