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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 110 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2454272316308045 | 2.5314e-08 | |
| a | 2.403041819321901 | 2.9547e-09 | au |
| q | 1.813269918112675 | 6.056e-08 | au |
| i | 6.799120319621135 | 3.2687e-06 | deg |
| node | 343.0989140033517 | 2.8555e-05 | deg |
| peri | 30.66278520876688 | 2.9475e-05 | deg |
| M | 156.9158803895847 | 8.3836e-06 | deg |
| tp | 2458607.431555545155
(2019-May-03.93155555) | 3.1043e-05 | TDB |
| period | 1360.631183240748
3.73 | 2.5094e-06
6.87e-09 | d
yr |
| n | .26458308793317 | 4.8798e-10 | deg/d |
| Q | 2.992813720531128 | 3.6798e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
7.34 |
|
n/a |
E2021B10 |
IRAS observations used: 17 |
| magnitude slope |
G |
0.03 |
|
n/a |
PDS3 (MPC 17258) |
Fit |
| diameter |
diameter |
98.776 |
km |
1.237 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
13.625 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Yang, X.-y.; Zhang, Y.-y.; Li, X.-q. (1965) Acta Astron. Sin. 13, 66-74.]
[Scaltriti, F.; Zappala, V. (1976) Astron. Astrophys. Suppl. Ser. 23, 167-179.]
[Dotto, E.; De Angelis, G.; Di Martino, M.; Barucci, M.A.; et al. (1995) Icarus 117, 313-327.]
[Kaasalainen, M.; Torppa, J.; Piironen, J. (2002) Icarus 159, 369-395.]
[Marchis, F.; Kaasalainen, M.; Hom, E.F.Y.; Berthier, J.; et al. (2006) Icarus 185, 39-63.] |
| geometric albedo |
albedo |
0.327 |
|
0.045 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| B-V |
BV |
0.927 |
|
0.028 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=7; phase (min.=15.65, mean=21.90, max.=30.29) deg. |
| U-B |
UB |
0.487 |
|
0.040 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=7; phase (min.=15.65, mean=21.90, max.=30.29) deg. |
| Tholen spectral type |
spec_T |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices; used ground-based radiometric albedo |
| SMASSII spectral type |
spec_B |
Sl |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) |
|
| 192 Nausikaa (A879 DA) Discovered 1879-Feb-17 by Palisa, J. at Pola |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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