[ hide orbit diagram ]
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 18 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1635858553591379 | 4.786e-08 | |
a | 2.547181007118777 | 1.7026e-08 | au |
q | 2.130498223314702 | 1.227e-07 | au |
i | 4.873638245334732 | 8.0567e-06 | deg |
node | 10.75914379650364 | 4.0034e-05 | deg |
peri | 128.1959481177055 | 4.7849e-05 | deg |
M | 96.2764572516778 | 2.349e-05 | deg |
tp | 2458803.394649525373 (2019-Nov-15.89464953) | 9.6905e-05 | TDB |
period | 1484.86899343582 4.07 | 1.4887e-05 4.076e-08 | d yr |
n | .2424456309556309 | 2.4308e-09 | deg/d |
Q | 2.963863790922852 | 1.9811e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
17.18 |
|
n/a |
E2021B55 |
|
rotation period |
rot_per |
5.52 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.] |
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259110 (2002 WT18) Discovered 2002-Nov-25 by Lulin at Lulin |
Reference: 20110119/Numbers.arc | Last Updated: 2011-01-25 |
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[ hide close-approach data ]
Close-Approach Data ...sorted by Date/Time (TDB)
|
Date/Time (TDB) |
Time Uncertainty (days_HH:MM) |
Body |
Nominal Distance (au) |
Minimum Distance (au) |
Maximum Distance (au) |
V-relative (km/s) |
V-infinity (km/s) |
JD (TDB) |
Time Uncertainty (minutes) |
Semi-major axis (km) |
Semi-minor axis (km) |
range-LOV angle (deg) |
N-sigma |
BP |
Orbit Ref. |
Reference |
Modified |
2077-Nov-09 11:20 |
< 00:01 |
Thisb |
0.0346891824263532 |
0.0346789132725776 |
0.0346994672106376 |
6.13291889697025 |
6.13291886492132 |
2479981.972367272 |
0.950148673490955 |
1277.56523490325 |
65.0581316502846 |
-66.5286900670448 |
73165.1434700457 |
T |
18 |
CATAB v2.0f-lin.ifort 2020-Nov-11 23:12:21 |
2020-Nov-11 23:12 |
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