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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 116 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1233002380520597 | 1.8414e-08 | |
| a | 2.386189445512451 | 3.0893e-09 | au |
| q | 2.091971718843454 | 4.4258e-08 | au |
| i | 5.576493847075963 | 2.0074e-06 | deg |
| node | 68.9094592620561 | 2.417e-05 | deg |
| peri | 6.33732451976998 | 2.6008e-05 | deg |
| M | 23.91220404136906 | 1.0366e-05 | deg |
| tp | 2458911.072124280732
(2020-Mar-02.57212428) | 3.8707e-05 | TDB |
| period | 1346.343281582895
3.69 | 2.6146e-06
7.158e-09 | d
yr |
| n | .2673909432494424 | 5.1927e-10 | deg/d |
| Q | 2.680407172181449 | 3.4702e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
6.3 |
|
n/a |
MPO492748 |
|
| magnitude slope |
G |
0.17 |
|
n/a |
PDS3 (MPC 17257) |
Fit |
| diameter |
diameter |
190 |
km |
n/a |
Dunham Occult. list: Kristensen 1984b |
Yeomans E-mail 2001-Apr-04 |
| rotation period |
rot_per |
5.079 |
h |
n/a |
LCDB (Rev. 2019-August); Warner et al., 2009 |
Published Reference List:
[Groeneveld, I.; Kuiper, G.P. (1954) Astrophys. J. 120, 200-220.]
[Groeneveld, I.; Kuiper, G.P. (1954) Astrophys. J. 120, 529-546.]
[Yang, X.-y.; Zhang, Y.-y.; Li, X.-q. (1965) Acta Astron. Sin. 13, 66-74.]
[Schober, H.J.; Surdej, J. (1979) Astron. Astrophys. Suppl. Ser. 38, 269-274.]
[Zappala, V.; van Houten-Groeneveld, I. (1979) Icarus 40, 289-296.]
[Zeigler, K.W.; Florence, W.B. (1985) Icarus 62, 512-517.]
[Di Martino, M.; Zappala, V.; De Sanctis, G.; Cacciatori, S. (1987) Icarus 69, 338-353.]
[Weidenschilling, S.J.; Chapman, C.R.; Davis, D.R.; Greenberg, R.; et al. (1987) Icarus 70, 191-245.]
[Drummond, J.D.; Weidenschilling, S.J.; Chapman, C.R.; Davis, D.R. (1988) Icarus 76, 19-77.]
[Lagerkvist, C.I.; Magnusson, P.; Williams, I.P.; Buontempo, M.E.; et al. (1988) Astron. Astrophys. Suppl. Ser. 73, 395-405.]
[Harris, A.W.; Young, J.W. (1989) Icarus 81, 314-364.]
[Magnusson, P. (1990) Icarus 85, 229-240.]
[Drummond, J.D.; Weidenschilling, S.J.; Chapman, C.R.; Davis, D.R. (1991) Icarus 89, 44-64.]
[Richmond, E.H.; Neely, A.W. (1994) Minor Planet Bull. 21, 23-24.]
[De Angelis, G. (1995) Planet. Space Sci. 43, 649-682.]
[Torppa, J.; Kaasalainen, M.; Michalowski, T.; Kwiatkowski, T.; et al. (2003) Icarus 164, 346-383.]
[Durech, J.; Kaasalainen, M.; Herald, D.; Dunham, D.; et al. (2011) Icarus 214, 652-670.]
[Durech, J. (2011) Database of Asteroid Models from Inversion Techniques (DAMIT). http://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php]
[Behrend, R. (2014) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Viikinkoski, M.; Marchis, F.; Durech, J.; et al (2017) Astron. Astrophys. 601, A114.] |
| geometric albedo |
albedo |
0.118 |
|
n/a |
EAR-A-5-DDR-ALBEDOS-V1.0:TRIAD |
TRIAD quality code 3 |
| B-V |
BV |
0.858 |
|
0.020 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=23; phase (min.=2.98, mean=9.80, max.=26.91) deg. |
| U-B |
UB |
0.496 |
|
0.030 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=20; phase (min.=2.98, mean=10.36, max.=26.91) 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 |
|
| 9 Metis (A848 HA) Discovered 1848-Apr-25 by Graham, A. at Markree |
| Apr. 26 is date of first measurement. |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
|
