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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 25 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1649233413813715 | 2.4011e-08 | |
a | 2.429646368780876 | 7.0626e-09 | au |
q | 2.028940971266418 | 5.8206e-08 | au |
i | 1.368059601545127 | 3.7841e-06 | deg |
node | 229.282071324306 | 0.00016462 | deg |
peri | 37.32121053819278 | 0.00016532 | deg |
M | 54.76353002816535 | 1.5443e-05 | deg |
tp | 2458790.072758597988 (2019-Nov-02.57275860) | 5.925e-05 | TDB |
period | 1383.289332622704 3.79 | 6.0315e-06 1.651e-08 | d yr |
n | .2602492417963228 | 1.1348e-09 | deg/d |
Q | 2.830351766295334 | 8.2274e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2456951.5 (2014-Oct-21.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1642965708552233 | 2.4078e-08 | |
q | 2.031917914861103 | 5.83e-08 | au |
tp | 2457406.109470556747 (2016-Jan-18.60947056) | 5.9347e-05 | TDB |
node | 229.3827724865223 | 0.00016469 | deg |
peri | 37.11808832443606 | 0.0001654 | deg |
i | 1.367193533317941 | 3.7819e-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 |
5.797293755275004E-16 |
-1.396586106863914E-15 |
-1.904036164780171E-13 |
-1.152054482717217E-15 |
-4.888380435813964E-14 |
7.778146770007164E-17 |
q |
-1.396586106863914E-15 |
3.398866358121931E-15 |
4.612672587978253E-13 |
3.977901316020318E-15 |
1.146050543548969E-13 |
-2.295326294076497E-16 |
tp |
-1.904036164780171E-13 |
4.612672587978253E-13 |
3.522059937367882E-9 |
7.202101586536827E-13 |
9.2381051813817E-10 |
-2.476051751199201E-13 |
node |
-1.152054482717217E-15 |
3.977901316020318E-15 |
7.202101586536827E-13 |
2.712394810812415E-8 |
-2.711604502552326E-8 |
-2.998797007737756E-10 |
peri |
-4.888380435813964E-14 |
1.146050543548969E-13 |
9.2381051813817E-10 |
-2.711604502552326E-8 |
2.735704688905517E-8 |
2.997426353856344E-10 |
i |
7.778146770007164E-17 |
-2.295326294076497E-16 |
-2.476051751199201E-13 |
-2.998797007737756E-10 |
2.997426353856344E-10 |
1.430253215752165E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
14.6 |
|
n/a |
MPO474129 |
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|
27812 (1993 OJ8) Discovered 1993-Jul-20 by Elst, E. W. at La Silla |
Reference: 20010902/Numbers.arc | Last Updated: 2004-04-19 |
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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 |
2191-Feb-24 09:50 |
< 00:01 |
Amphi |
0.0263952403200334 |
0.0263919933548271 |
0.0263985056669118 |
4.91522167611559 |
4.91522163180532 |
2521360.909603672 |
0.877994954847855 |
1134.72539739866 |
34.0823687848474 |
-81.9582708747155 |
114676.896860036 |
T |
25 |
CATAB v2.0f-lin.ifort 2020-Dec-18 03:30:36 |
2020-Dec-18 03:30 |
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Alternate Designations
1993 OJ8 = 2000 EV38 = 2001 RE144 |
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