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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 25 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2337820507569926 | 4.3678e-08 | |
a | 2.36119365005854 | 7.1051e-09 | au |
q | 1.809188956313466 | 1.0597e-07 | au |
i | 3.070911159794532 | 4.3963e-06 | deg |
node | 141.3500675384682 | 5.9097e-05 | deg |
peri | 202.1855843630322 | 5.9688e-05 | deg |
M | 18.40295874003654 | 6.4235e-06 | deg |
tp | 2459132.754416393860 (2020-Oct-10.25441639) | 2.366e-05 | TDB |
period | 1325.243969881434 3.63 | 5.9817e-06 1.638e-08 | d yr |
n | .2716480951293883 | 1.2261e-09 | deg/d |
Q | 2.913198343803614 | 8.7661e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2457518.5 (2016-May-10.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2338791579630045 | 4.3645e-08 | |
q | 1.808894081239426 | 1.059e-07 | au |
tp | 2457808.401322038037 (2017-Feb-23.90132204) | 2.4803e-05 | TDB |
node | 141.3774117254852 | 5.9141e-05 | deg |
peri | 202.4187067253297 | 5.9733e-05 | deg |
i | 3.069876793002227 | 4.3949e-06 | deg |
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| | Orbit Determination Parameters
Additional Information
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Orbit Covariance (6×6)
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|
e |
q |
tp |
node |
peri |
i |
e |
1.904927272835995E-15 |
-4.617662189346358E-15 |
1.105732198418961E-13 |
2.059514441552118E-14 |
5.797009379328041E-14 |
-2.429447464981567E-15 |
q |
-4.617662189346358E-15 |
1.121585679276503E-14 |
-3.028935663562108E-13 |
-5.1179782620187E-14 |
-1.517870965168584E-13 |
5.943364600020953E-15 |
tp |
1.105732198418961E-13 |
-3.028935663562108E-13 |
6.151814756941881E-10 |
1.881779725995506E-12 |
2.151184663073966E-10 |
-3.15333502571125E-13 |
node |
2.059514441552118E-14 |
-5.1179782620187E-14 |
1.881779725995506E-12 |
3.497602537978351E-9 |
-3.490809523173451E-9 |
7.091423776416712E-11 |
peri |
5.797009379328041E-14 |
-1.517870965168584E-13 |
2.151184663073966E-10 |
-3.490809523173451E-9 |
3.567982739536407E-9 |
-7.097871928504811E-11 |
i |
-2.429447464981567E-15 |
5.943364600020953E-15 |
-3.15333502571125E-13 |
7.091423776416712E-11 |
-7.097871928504811E-11 |
1.931497409149276E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
16.22 |
|
n/a |
E2021B55 |
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rotation period |
rot_per |
8.660 |
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: [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] |
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118066 (4317 T-2) Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar |
Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
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