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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1344394850891721 | 4.0052e-08 | |
| a | 2.435331028375385 | 7.3883e-09 | au |
| q | 2.107926378898914 | 9.8537e-08 | au |
| i | 7.736673963161083 | 4.7346e-06 | deg |
| node | 359.9469414912491 | 2.6664e-05 | deg |
| peri | 336.1360572372112 | 3.0891e-05 | deg |
| M | 11.60080715490743 | 1.5721e-05 | deg |
| tp | 2458955.767709496257
(2020-Apr-16.26770950) | 6.0608e-05 | TDB |
| period | 1388.146907910214
3.80 | 6.317e-06
1.73e-08 | d
yr |
| n | .2593385454728001 | 1.1802e-09 | deg/d |
| Q | 2.762735677851856 | 8.3816e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
10.9 |
|
n/a |
MPO492756 |
|
| diameter |
diameter |
11.385 |
km |
0.157 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
5.487 |
h |
n/a |
LCDB (Rev. 2019-August); Warner et al., 2009 |
Published Reference List:
[Warner, B.D. (2002) Minor Planet Bull. 29, 27-28.]
[Bel'skaya, I.N.; Shevchenko, V.G.; Kiselev, N.; Krugly, Yu.N.; et al. (2003) Icarus 166, 276-284.]
[Almeida, R.; Angeli, C.A.; Duffard, R.; Lazzaro, D. (2004) Astron. Astrophys. 415, 403-406.]
[Bin, L.; Haibin, Z.; Jingshen, Y. (2011) Minor Planet Bull. 38, 179-180.]
[Warner, B.D. (2011) Minor Planet Bull. 38, 52-54.]
[Klinglesmith III, D.A.; Hanowell, J.; Risley, E.; Turk, J.; et al. (2014) Minor Planet Bull. 41, 139-143.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.] |
| geometric albedo |
albedo |
0.419 |
|
0.048 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| B-V |
BV |
0.683 |
|
0.033 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=1.51 deg. |
| U-B |
UB |
0.237 |
|
0.035 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=1.51 deg. |
| Tholen spectral type |
spec_T |
E |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 2 color indices; used ground-based radiometric albedo |
|
| 620 Drakonia (A906 UO) Discovered 1906-Oct-26 by Metcalf, J. H. at Taunton |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
Alternate Designations
| A906 UO = 1950 ET = 1950 HS = 1955 QE1 |
|
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