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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 2458080.5 (2017-Nov-23.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | 1.201133796102373 | 2.1064e-05 | |
| a | -1.27234500742808 | 0.00010015 | au |
| q | .2559115812959116 | 6.6635e-06 | au |
| i | 122.7417062847286 | 0.00028826 | deg |
| node | 24.59690955523242 | 0.00025422 | deg |
| peri | 241.8105360304898 | 0.0012495 | deg |
| M | 51.1576197938249 | 0.0061155 | deg |
| tp | 2458006.007321375231
(2017-Sep-09.50732138) | 0.00026424 | TDB |
| period | n/a
n/a | n/a
n/a | d
yr |
| n | .6867469493413392 | 8.1084e-05 | deg/d |
| Q | n/a | n/a | au |
|
Additional Model Parameters
| Parameter | Value | Uncertainty (1-sigma) |
| A1 [EST] | 2.790193364334668E-7 | 3.574E-8 |
| A2 [EST] | 1.441264159911234E-8 | 2.445E-8 |
| A3 [EST] | 1.57392261588653E-8 | 2.249E-8 |
| ALN [SET] | .0408373333128795 | n/a |
| NK [SET] | 2.6 | n/a |
| NM [SET] | 2. | n/a |
| NN [SET] | 3. | n/a |
| R0 [SET] | 5. | n/a |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbit Covariance (9×9)
|
| |
e |
q |
tp |
node |
peri |
i |
A1 |
A2 |
A3 |
| e |
4.437021723735803E-10 |
1.402645684430185E-10 |
-2.290597192603328E-9 |
-4.866487927086338E-9 |
2.630680330585727E-8 |
3.783694880329765E-9 |
-5.671709311726012E-13 |
-4.541086340423297E-13 |
-4.197092628622681E-13 |
| q |
1.402645684430185E-10 |
4.44023866269166E-11 |
-7.704816361638409E-10 |
-1.55813687037147E-9 |
8.310783593401902E-9 |
1.153616408668474E-9 |
-1.836950288528165E-13 |
-1.455954597080292E-13 |
-1.346104747053088E-13 |
| tp |
-2.290597192603328E-9 |
-7.704816361638409E-10 |
6.982193721062611E-8 |
5.061551619658835E-8 |
-1.267295484829105E-7 |
3.435990038007021E-8 |
8.549763590196699E-12 |
5.106665019424439E-12 |
4.663032871083979E-12 |
| node |
-4.866487927086338E-9 |
-1.55813687037147E-9 |
5.061551619658835E-8 |
6.462880452547438E-8 |
-2.844751574251313E-7 |
-1.765593440441589E-8 |
8.69267463967735E-12 |
6.199346965429517E-12 |
5.706259007286273E-12 |
| peri |
2.630680330585727E-8 |
8.310783593401902E-9 |
-1.267295484829105E-7 |
-2.844751574251313E-7 |
1.561285075915765E-6 |
2.328863207568894E-7 |
-3.273966435299668E-11 |
-2.647924841784622E-11 |
-2.448635263285478E-11 |
| i |
3.783694880329765E-9 |
1.153616408668474E-9 |
3.435990038007021E-8 |
-1.765593440441589E-8 |
2.328863207568894E-7 |
8.309282984005662E-8 |
3.855260109426898E-13 |
-1.301677972323779E-12 |
-1.239877723252703E-12 |
| A1 |
-5.671709311726012E-13 |
-1.836950288528165E-13 |
8.549763590196699E-12 |
8.69267463967735E-12 |
-3.273966435299668E-11 |
3.855260109426898E-13 |
1.277051485119332E-15 |
8.49211690731826E-16 |
7.801130292246226E-16 |
| A2 |
-4.541086340423297E-13 |
-1.455954597080292E-13 |
5.106665019424439E-12 |
6.199346965429517E-12 |
-2.647924841784622E-11 |
-1.301677972323779E-12 |
8.49211690731826E-16 |
5.977229950392798E-16 |
5.490255327748556E-16 |
| A3 |
-4.197092628622681E-13 |
-1.346104747053088E-13 |
4.663032871083979E-12 |
5.706259007286273E-12 |
-2.448635263285478E-11 |
-1.239877723252703E-12 |
7.801130292246226E-16 |
5.490255327748556E-16 |
5.055766304421935E-16 |
|
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
22.08 |
|
.44525 |
2 |
autocmod 2.6k |
| rotation period |
rot_per |
7.937 |
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:
[Bannister, M.T.; Schwamb, M.E.; Fraser, W.C.; Marsset, M.; et al. (2017) Astrophys. J. Letters, submitted. ArXiv1711.06214v1.]
[Bolin, B.T.; Weaver, H.A.; Fernandez, Y.R.; Lisse, C.M.; et al. (2017). ArXiv:1711.04927v1.]
[Drahus, M.; Guzik, P.; Waniak, W.; Handzlik, B.; et al. (2017) ArXiv:171200437]
[Fraser, W.C.; Pravec, P.; Fitzsimmons, A.; Lacerda, P.; et al. (2017) ArXiv:1711.11530]
[Jewitt, D.; Luu, J.; Rajagopal, J.; Kotulla, R.; et al. (2017) Astrophys. J. Letters, submitted. ArXiv:1711.05687v1.] |
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