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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 35 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .0969379533654577 | 4.2221e-08 | |
| a | 2.906174862281306 | 1.4122e-08 | au |
| q | 2.624456219009615 | 1.2292e-07 | au |
| i | 3.123980723337023 | 4.5821e-06 | deg |
| node | 130.0551024856702 | 7.2435e-05 | deg |
| peri | 231.8575947976914 | 7.4993e-05 | deg |
| M | 147.4736549283361 | 1.9374e-05 | deg |
| tp | 2458459.201736589233
(2018-Dec-06.70173659) | 9.7405e-05 | TDB |
| period | 1809.593550506079
4.95 | 1.319e-05
3.611e-08 | d
yr |
| n | .1989397010722771 | 1.4501e-09 | deg/d |
| Q | 3.187893505552997 | 1.5491e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.83 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
4.374 |
km |
0.545 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.306 |
|
0.102 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 14438 MacLean | Discovered 1992 Apr. 27 by Spacewatch at Kitt Peak. |
| Steven Glenwood MacLean (b. 1954), selected as a Canadian astronaut in 1983, is an expert in laser physics and space vision systems. He flew on space shuttle mission STS-52. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20030614/MPCPages.arc | Last Updated: 2005-04-26 |
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