[ 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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .167479286544826 | 3.2097e-08 | |
a | 2.721191581950661 | 8.0948e-09 | au |
q | 2.265448357253778 | 8.8864e-08 | au |
i | .8678084005524381 | 3.6257e-06 | deg |
node | 311.8679752399714 | 0.00026051 | deg |
peri | 176.1371090755508 | 0.00026079 | deg |
M | 292.9455712595943 | 1.3507e-05 | deg |
tp | 2459505.895104669609 (2021-Oct-18.39510467) | 6.2094e-05 | TDB |
period | 1639.596962442098 4.49 | 7.3161e-06 2.003e-08 | d yr |
n | .2195661545162892 | 9.7973e-10 | deg/d |
Q | 3.176934806647544 | 9.4505e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2456338.5 (2013-Feb-15.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1650190271776332 | 3.2084e-08 | |
q | 2.273090168713363 | 8.8639e-08 | au |
tp | 2456222.218332134507 (2012-Oct-21.71833213) | 5.8608e-05 | TDB |
node | 312.2182414763389 | 0.00026094 | deg |
peri | 175.519295792536 | 0.00026123 | deg |
i | .8663881819563819 | 3.6247e-06 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
|
e |
q |
tp |
node |
peri |
i |
e |
1.029399442369811E-15 |
-2.835751469201009E-15 |
9.809433481843245E-14 |
-3.577477076944022E-15 |
4.903729816942257E-14 |
1.131164454311235E-16 |
q |
-2.835751469201009E-15 |
7.856897131704704E-15 |
-1.877614447061722E-13 |
1.370250579148801E-14 |
-1.21433628461233E-13 |
-2.874585248004793E-16 |
tp |
9.809433481843245E-14 |
-1.877614447061722E-13 |
3.434843646330071E-9 |
-9.365140203481871E-12 |
7.533821840990822E-10 |
2.005044981869483E-13 |
node |
-3.577477076944022E-15 |
1.370250579148801E-14 |
-9.365140203481871E-12 |
6.808712739142326E-8 |
-6.808036344974226E-8 |
1.540527369076538E-10 |
peri |
4.903729816942257E-14 |
-1.21433628461233E-13 |
7.533821840990822E-10 |
-6.808036344974226E-8 |
6.82427046796551E-8 |
-1.539964033235058E-10 |
i |
1.131164454311235E-16 |
-2.874585248004793E-16 |
2.005044981869483E-13 |
1.540527369076538E-10 |
-1.539964033235058E-10 |
1.313812296730096E-11 |
|
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
10.2 |
|
n/a |
MPO502154 |
|
diameter |
diameter |
23.440 |
km |
0.414 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
23.866 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Stephens, R.D. (2008) Minor Planet Bull. 35, 60-61.] [Clark, M. (2010) Minor Planet Bull. 37, 89-92.] [Pilcher, F.; Benishek, V.; Delos, S.; Barker, T.; et al. (2012) Minor Planet Bull. 39, 46.] [Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] |
geometric albedo |
albedo |
0.242 |
|
0.030 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
B-V |
BV |
0.829 |
|
0.025 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=2.69, mean=6.06, max.=9.42) deg. |
U-B |
UB |
0.451 |
|
0.052 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=2.69, mean=6.06, max.=9.42) deg. |
Tholen spectral type |
spec_T |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 2 color indices |
SMASSII spectral type |
spec_B |
Sq |
|
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) |
|
180 Garumna (A878 BA) Discovered 1878-Jan-29 by Perrotin, J. at Toulouse |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
[ show close-approach data ]
|