[ hide orbit diagram ]
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 101 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2358492928127604 | 2.7384e-08 | |
a | 2.780263372319992 | 6.5839e-09 | au |
q | 2.124540222125102 | 7.5204e-08 | au |
i | 4.070702439484298 | 3.1525e-06 | deg |
node | 197.1434221637815 | 5.1112e-05 | deg |
peri | 174.5381974491569 | 5.1668e-05 | deg |
M | 359.6915842984785 | 8.6145e-06 | deg |
tp | 2459001.950645561290 (2020-Jun-01.45064556) | 4.0521e-05 | TDB |
period | 1693.274367965117 4.64 | 6.0147e-06 1.647e-08 | d yr |
n | .212605828571437 | 7.552e-10 | deg/d |
Q | 3.435986522514883 | 8.1367e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
8.7 |
|
n/a |
MPO492749 |
IRAS observations used: 9 |
diameter |
diameter |
118.71 |
km |
2.8 |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 9 |
rotation period |
rot_per |
17.268 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Pilcher, F. (2008) Minor Planet Bull. 35, 135-138.] [Pilcher, F. (2009) Minor Planet Bull. 36, 133-136.] |
geometric albedo |
albedo |
0.0431 |
|
0.002 |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 9 |
B-V |
BV |
0.686 |
|
0.027 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=2.33, mean=4.63, max.=6.93) deg. |
U-B |
UB |
0.320 |
|
0.088 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=2.33, mean=4.63, max.=6.93) deg. |
Tholen spectral type |
spec_T |
C |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 2 color indices |
SMASSII spectral type |
spec_B |
C |
|
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) |
|
74 Galatea (A862 QA) Discovered 1862-Aug-29 by Tempel, E. W. at Marseille |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
|