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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 14 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .09742451206955824 | 5.7801e-08 | |
| a | 3.154648357147845 | 4.0847e-08 | au |
| q | 2.847308280201683 | 1.9575e-07 | au |
| i | 6.909709328451128 | 9.3699e-06 | deg |
| node | 28.79521005871637 | 5.2698e-05 | deg |
| peri | 272.5244376516527 | 7.1661e-05 | deg |
| M | 322.0380140887117 | 5.0817e-05 | deg |
| tp | 2459216.309860580096
(2021-Jan-01.80986058) | 0.00029045 | TDB |
| period | 2046.561789216948
5.60 | 3.9749e-05
1.088e-07 | d
yr |
| n | .1759047793703519 | 3.4164e-09 | deg/d |
| Q | 3.461988434094007 | 4.4826e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.4 |
|
n/a |
MPO433636 |
|
| diameter |
diameter |
3.472 |
km |
1.426 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.034 |
|
0.012 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 249630 (1999 TT71) Discovered 1999-Oct-09 by Spacewatch at Kitt Peak |
| Reference: 20100923/Numbers.arc | Last Updated: 2010-09-27 |
|
[ show close-approach data ]
Alternate Designations
| 1999 TT71 = 1999 US62 = 2005 UP384 |
|
|
