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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1070212348242773 | 3.8922e-08 | |
| a | 3.017226545590807 | 1.2684e-08 | au |
| q | 2.69431923493709 | 1.1725e-07 | au |
| i | 8.555647287920509 | 4.4463e-06 | deg |
| node | 279.8359979077237 | 2.7331e-05 | deg |
| peri | 70.65703379812898 | 3.3718e-05 | deg |
| M | 157.1789998654775 | 2.0762e-05 | deg |
| tp | 2458164.700076412338
(2018-Feb-15.20007641) | 0.00010967 | TDB |
| period | 1914.301355455085
5.24 | 1.2071e-05
3.305e-08 | d
yr |
| n | .1880581649143834 | 1.1858e-09 | deg/d |
| Q | 3.340133856244523 | 1.4041e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
8.3 |
|
n/a |
MPO502159 |
IRAS observations used: 15 |
| diameter |
diameter |
78.509 |
km |
1.161 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
6.193 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Riccioli, D.; Blanco, C.; Cigna, M. (2001) Planet. Space Sci. 49, 657-671.]
[Warner, B.D. (2008) Minor Planet Bull. 35, 56-60.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] |
| geometric albedo |
albedo |
0.123 |
|
0.018 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| B-V |
BV |
0.836 |
|
0.021 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=7; phase (min.=3.31, mean=9.42, max.=16.89) deg. |
| U-B |
UB |
0.477 |
|
0.015 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=6; phase (min.=5.44, mean=10.44, max.=16.89) 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 |
|
| 639 Latona (A907 OA) Discovered 1907-Jul-19 by Lohnert, K. at Heidelberg |
| 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 |
| 2101-Feb-28 14:26 |
< 00:01 |
Hygie |
0.037471289383283 |
0.0374686767535406 |
0.0374739030321811 |
3.45695150745938 |
3.45695120918873 |
2488493.101054589 |
0.56615617015636 |
355.713883091766 |
48.2190470343674 |
-69.9508563148996 |
109078.72589596 |
T |
41 |
CATAB v2.0f-lin.ifort 2020-Dec-17 19:34:43 |
2020-Dec-17 19:34 |
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