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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 23 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .09571079489256065 | 3.5518e-08 | |
a | 2.936658363768744 | 1.7188e-08 | au |
q | 2.655588457444551 | 1.0336e-07 | au |
i | 3.098004843498074 | 5.0606e-06 | deg |
node | 52.04006881377083 | 0.00010731 | deg |
peri | 22.2053594790077 | 0.00011298 | deg |
M | 226.8983393257822 | 3.6038e-05 | deg |
tp | 2459880.109653066392 (2022-Oct-27.60965307) | 0.00018606 | TDB |
period | 1838.139913992014 5.03 | 1.6137e-05 4.418e-08 | d yr |
n | .1958501620359047 | 1.7194e-09 | deg/d |
Q | 3.217728270092937 | 1.8833e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2456713.5 (2014-Feb-25.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .09948805417459236 | 3.5517e-08 | |
q | 2.638394451093543 | 1.0334e-07 | au |
tp | 2456212.522962227391 (2012-Oct-12.02296223) | 0.00017014 | TDB |
node | 52.12881860419098 | 0.000107 | deg |
peri | 22.21945966486289 | 0.00011224 | deg |
i | 3.10456571448204 | 5.0717e-06 | deg |
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| | Orbit Determination Parameters
Additional Information
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Orbit Covariance (6×6)
|
|
e |
q |
tp |
node |
peri |
i |
e |
1.261444032360863E-15 |
-3.629323355946537E-15 |
-1.400161669139239E-12 |
1.855469270590214E-14 |
-3.072447438671023E-13 |
-6.278087043525357E-16 |
q |
-3.629323355946537E-15 |
1.067830407232614E-14 |
4.458297729940568E-12 |
-5.768893788932831E-14 |
9.852200585175088E-13 |
2.123891663407324E-15 |
tp |
-1.400161669139239E-12 |
4.458297729940568E-12 |
2.894870177552198E-8 |
-8.934597655397742E-11 |
5.817151399819425E-9 |
5.26513968681567E-12 |
node |
1.855469270590214E-14 |
-5.768893788932831E-14 |
-8.934597655397742E-11 |
1.144938653428697E-8 |
-1.145046184501054E-8 |
-2.79288592920376E-10 |
peri |
-3.072447438671023E-13 |
9.852200585175088E-13 |
5.817151399819425E-9 |
-1.145046184501054E-8 |
1.259688775731988E-8 |
2.79945465689722E-10 |
i |
-6.278087043525357E-16 |
2.123891663407324E-15 |
5.26513968681567E-12 |
-2.79288592920376E-10 |
2.79945465689722E-10 |
2.57218530053431E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
13.13 |
|
n/a |
E2021B10 |
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|
48465 (1991 RS20) Discovered 1991-Sep-14 by Holt, H. E. at Palomar |
Reference: 20021120/Numbers.arc | Last Updated: 2004-04-19 |
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[ hide close-approach data ]
Close-Approach Data ...sorted by Date/Time (TDB)
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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 |
2048-Nov-17 13:49 |
00:01 |
Europ |
0.032989430165014 |
0.0329818999526532 |
0.0329969606290302 |
2.36977870019571 |
2.36977856424261 |
2469398.075774598 |
1.35436682862109 |
401.545837965301 |
37.4351085899973 |
-21.1276549253339 |
48786.7042027988 |
T |
23 |
CATAB v2.0f-lin.ifort 2020-Nov-12 23:37:19 |
2020-Nov-12 23:37 |
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