| (1999 TY2) |
| Classification: Apollo [NEO] SPK-ID: 3023157 |
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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 11 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .6075992824235075 | 1.4097e-05 | |
| a | 2.270407830609976 | 0.00011524 | au |
| q | .8909096619226423 | 1.3379e-05 | au |
| i | 22.95467801568776 | 0.00033792 | deg |
| node | 191.6834776064663 | 0.00047676 | deg |
| peri | 230.8685071209787 | 0.00039294 | deg |
| M | 1.860269775833848 | 0.1634 | deg |
| tp | 2458994.043046331705
(2020-May-24.54304633) | 0.56665 | TDB |
| period | 1249.551732110697
3.42 | 0.095138
0.0002605 | d
yr |
| n | .2881033179729991 | 2.1936e-05 | deg/d |
| Q | 3.64990599929731 | 0.00018526 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
23.3 |
|
n/a |
MPO41582 |
|
| rotation period |
rot_per |
0.1213 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Pravec, P.; Hergenrother, C.; Whiteley, R.; Sarounova, L.; et al. (2000) Icarus 147, 477-486.] |
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