[ 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 115 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2569881358779085 | 3.0419e-08 | |
| a | 2.668019810249648 | 3.4121e-09 | au |
| q | 1.98237037272826 | 8.1084e-08 | au |
| i | 12.991481941 | 3.217e-06 | deg |
| node | 169.8530436879942 | 1.6573e-05 | deg |
| peri | 248.0327672451969 | 1.7645e-05 | deg |
| M | 170.7112472817849 | 8.1576e-06 | deg |
| tp | 2458445.683063129113
(2018-Nov-23.18306313) | 3.5275e-05 | TDB |
| period | 1591.776181126372
4.36 | 3.0536e-06
8.36e-09 | d
yr |
| n | .2261624493873611 | 4.3386e-10 | deg/d |
| Q | 3.353669247771037 | 4.289e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
5.26 |
|
n/a |
E2021B10 |
IRAS observations used: 23 |
| magnitude slope |
G |
0.32 |
|
n/a |
PDS3 (MPC 17257) |
Fit |
| diameter |
diameter |
246.596 |
km |
10.594 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
7.210 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Groeneveld, I.; Kuiper, G.P. (1954) Astrophys. J. 120, 529-546.]
[Chang, Y.C.; Chang, C.-s. (1962) Acta Astron. Sin. 10, 101-111.]
[Gehrels, T.; Owings, D. (1962) Astrophys. J. 135, 906-924.]
[Schroll, A.; Schober, H.J.; Lagerkvist, C.-I. (1981) Astron. Astrophys. 104, 296-299.]
[Magnusson, P. (1986) Icarus 68, 1-39.]
[Di Martino, M.; Zappala, V.; De Sanctis, G.; Cacciatori, S. (1987) Icarus 69, 338-353.]
[Lagerkvist, C.I.; Magnusson, P.; Williams, I.P.; Buontempo, M.E.; et al. (1988) Astron. Astrophys. Suppl. Ser. 73, 395-405.]
[Birch, P.V.; Taylor, R.C. (1989) Astron. Astrophys. Suppl. Ser. 81, 409-414.]
[Harris, A.W.; Young, J.W.; Bowell, E.; Martin, L.J.; et al. (1989) Icarus 77, 171-186.]
[Erikson, A.; Magnusson, P. (1993) Icarus 103, 62-66.]
[Dotto, E.; De Angelis, G.; Di Martino, M.; Barucci, M.A.; et al. (1995) Icarus 117, 313-327.]
[Kaasalainen, M.; Torppa, J.; Piironen, J. (2002) Icarus 159, 369-395.]
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Kaasalainen, M.; Herald, D.; Dunham, D.; et al. (2011) Icarus 214, 652-670.]
[Viikinkoski, M.; Kaasalainen, M.; Durecy, J.; Carry, B.; et al. (2015) Astron. Astrophys. 581, L3.]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
| geometric albedo |
albedo |
0.214 |
|
0.026 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| B-V |
BV |
0.824 |
|
0.024 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=19; phase (min.=7.79, mean=16.60, max.=25.79) deg. |
| U-B |
UB |
0.433 |
|
0.030 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=18; phase (min.=7.79, mean=16.62, max.=25.79) 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 |
| SMASSII spectral type |
spec_B |
Sk |
|
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) |
|
| 3 Juno (A804 RA) Discovered 1804-Sep-01 by Harding, K. at Lilienthal |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
|
