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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1277349165737915 | 4.5847e-08 | |
| a | 2.636910251440348 | 1.0525e-08 | au |
| q | 2.30008474046004 | 1.1826e-07 | au |
| i | 10.29576894053064 | 4.1472e-06 | deg |
| node | 92.17761671099296 | 2.1762e-05 | deg |
| peri | 22.28345532198335 | 2.831e-05 | deg |
| M | 105.2885885370741 | 1.7427e-05 | deg |
| tp | 2458543.074625042022
(2019-Feb-28.57462504) | 7.4655e-05 | TDB |
| period | 1564.016929782354
4.28 | 9.3642e-06
2.564e-08 | d
yr |
| n | .230176536548167 | 1.3781e-09 | deg/d |
| Q | 2.973735762420657 | 1.187e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.9 |
|
n/a |
MPO474164 |
|
| diameter |
diameter |
4.195 |
km |
0.081 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.364 |
|
0.068 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 31268 Welty | Discovered 1998 Mar. 16 by I. P. Griffin at Cocoa. |
| Sandra Welty (b. 1969) is a high-school teacher of English at Kenwood High School, Baltimore County, Maryland. Over her career she has been an inspiring teacher for many students. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20070601/MPCPages.arc | Last Updated: 2007-06-06 |
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