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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.
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .08955660361735421 | 2.9689e-08 | |
| a | 2.466261481251465 | 7.5923e-09 | au |
| q | 2.245391479358279 | 7.2401e-08 | au |
| i | 7.832708068306402 | 3.3611e-06 | deg |
| node | 318.5545577216829 | 2.9835e-05 | deg |
| peri | 160.9957439553781 | 3.8635e-05 | deg |
| M | 111.0285663094922 | 2.5692e-05 | deg |
| tp | 2458564.195855854418
(2019-Mar-21.69585585) | 0.00010026 | TDB |
| period | 1414.676394672865
3.87 | 6.5326e-06
1.789e-08 | d
yr |
| n | .254475158669236 | 1.1751e-09 | deg/d |
| Q | 2.687131483144652 | 8.2723e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.3 |
|
n/a |
MPO473783 |
|
| diameter |
diameter |
9.523 |
km |
1.298 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
19.5 |
h |
n/a |
LCDB (Rev. 2019-August); Warner et al., 2009 |
Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Binzel, R.P. (1987) Icarus 72, 135-208.] |
| geometric albedo |
albedo |
0.126 |
|
0.068 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| B-V |
BV |
0.840 |
|
0.020 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=13.55 deg. |
| U-B |
UB |
0.570 |
|
0.030 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=13.55 deg. |
|
| 1478 Vihuri (1938 CF) Discovered 1938-Feb-06 by Vaisala, Y. at Turku |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
[ 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 |
| 2044-Aug-23 21:20 |
< 00:01 |
Psych |
0.0447786303749384 |
0.0447755659145109 |
0.0447816948394192 |
4.14959909644506 |
4.14959903133078 |
2467851.388814810 |
0.788587462371789 |
154.242357511165 |
33.0364815362926 |
8.31931809657318 |
51987.8320184538 |
T |
34 |
CATAB v2.0f-lin.ifort 2020-Aug-24 22:35:51 |
2020-Aug-24 22:35 |
| 2080-Oct-28 22:48 |
< 00:01 |
Eunom |
0.0302637480659378 |
0.0302586055624837 |
0.0302688913491133 |
4.21990035597621 |
4.21990024605817 |
2481066.450261661 |
0.492363871885708 |
354.68895919953 |
42.0743872501642 |
44.1479790619758 |
75432.9337478399 |
T |
34 |
CATAB v2.0f-lin.ifort 2020-Aug-24 22:35:51 |
2020-Aug-24 22:35 |
| 2119-Jul-11 16:23 |
< 00:01 |
Eunom |
0.0483816810950196 |
0.0483726526484413 |
0.0483907101413467 |
4.67305641856873 |
4.67305635648013 |
2495200.182913999 |
0.376372227339882 |
524.606944689047 |
43.159963290826 |
-31.0591183139825 |
87253.4961948737 |
T |
34 |
CATAB v2.0f-lin.ifort 2020-Aug-24 22:35:51 |
2020-Aug-24 22:35 |
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