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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 26 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1149738786690846 | 3.5252e-08 | |
| a | 2.374027592007667 | 7.7434e-09 | au |
| q | 2.101076431687118 | 8.4925e-08 | au |
| i | 3.348541598255436 | 3.8869e-06 | deg |
| node | 124.9439263513038 | 5.5982e-05 | deg |
| peri | 13.22462759957767 | 5.7925e-05 | deg |
| M | 81.91040801990235 | 1.4025e-05 | deg |
| tp | 2458896.506947211106
(2020-Feb-17.00694721) | 5.2028e-05 | TDB |
| period | 1336.063409394945
3.66 | 6.5368e-06
1.79e-08 | d
yr |
| n | .2694482892567435 | 1.3183e-09 | deg/d |
| Q | 2.646978752328216 | 8.6337e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2457197.5 (2015-Jun-24.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1149609706132067 | 3.5334e-08 | |
| q | 2.101395125246478 | 8.5139e-08 | au |
| tp | 2457561.692952581082
(2016-Jun-22.19295258) | 5.2349e-05 | TDB |
| node | 124.9742071130477 | 5.5969e-05 | deg |
| peri | 13.64238114259154 | 5.7904e-05 | deg |
| i | 3.348713668194298 | 3.8876e-06 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
| |
e |
q |
tp |
node |
peri |
i |
| e |
1.248507871185957E-15 |
-2.998691883440102E-15 |
1.5149552161822E-14 |
-1.860387169507823E-15 |
1.895418064660776E-15 |
-6.292610970467214E-16 |
| q |
-2.998691883440102E-15 |
7.248675177296005E-15 |
-8.363419358550694E-14 |
4.095011510801561E-15 |
-2.133965054522813E-14 |
1.589090853430623E-15 |
| tp |
1.5149552161822E-14 |
-8.363419358550694E-14 |
2.740394419827376E-9 |
-7.115360162421492E-13 |
7.857214198682456E-10 |
-1.006620175132349E-12 |
| node |
-1.860387169507823E-15 |
4.095011510801561E-15 |
-7.115360162421492E-13 |
3.132527648573441E-9 |
-3.126863606117356E-9 |
2.396495385712688E-11 |
| peri |
1.895418064660776E-15 |
-2.133965054522813E-14 |
7.857214198682456E-10 |
-3.126863606117356E-9 |
3.352905467089269E-9 |
-2.420484970799759E-11 |
| i |
-6.292610970467214E-16 |
1.589090853430623E-15 |
-1.006620175132349E-12 |
2.396495385712688E-11 |
-2.420484970799759E-11 |
1.511328519905036E-11 |
|
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.97 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
3.309 |
km |
1.127 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.064 |
|
0.056 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 18596 Superbus | Discovered 1998 Jan. 21 by V. S. Casulli at Colleverde di Guidonia. |
| Tarquinius Superbus, seventh and last king of Rome, reigned from 534 to 509 B.C. He placed under the dominion of Rome many cities of the Latium region. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20020624/MPCPages.arc | Last Updated: 2003-10-02 |
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