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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 39 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1206203596797625 | 3.6372e-08 | |
| a | 2.695223627205938 | 8.466e-09 | au |
| q | 2.370124783874964 | 9.8538e-08 | au |
| i | 6.414358263282383 | 4.7581e-06 | deg |
| node | 307.7251516489441 | 3.5157e-05 | deg |
| peri | 125.6747981306284 | 4.0519e-05 | deg |
| M | 49.05219195580827 | 1.961e-05 | deg |
| tp | 2458780.285174818512
(2019-Oct-23.78517482) | 8.7838e-05 | TDB |
| period | 1616.183373349709
4.42 | 7.6149e-06
2.085e-08 | d
yr |
| n | .2227470013219244 | 1.0495e-09 | deg/d |
| Q | 3.020322470536912 | 9.4872e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
8.9 |
|
n/a |
MPO332813 |
|
| diameter |
diameter |
45.209 |
km |
1.883 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
9.873 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Barucci, M.A.; Di Martino, M. (1984) Astron. Astrophys. Suppl. Ser. 57, 103-106.]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pilcher, F. (2016) Minor Planet Bull. 43, 222-224.] |
| geometric albedo |
albedo |
0.261 |
|
0.064 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| B-V |
BV |
0.850 |
|
0.019 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=3; phase (min.=3.22, mean=9.07, max.=20.32) deg. |
| U-B |
UB |
0.395 |
|
0.023 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=3; phase (min.=3.22, mean=9.07, max.=20.32) deg. |
| Tholen spectral type |
spec_T |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 2 color indices; used ground-based radiometric albedo |
| SMASSII spectral type |
spec_B |
S |
|
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) |
|
| 123 Brunhild (A872 OB) Discovered 1872-Jul-31 by Peters, C. H. F. at Clinton |
| 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 |
| 1954-Apr-24 06:30 |
< 00:01 |
Juno |
0.0384547020231443 |
0.0384520706084471 |
0.0384573335800324 |
6.41821390554232 |
6.41821385624965 |
2434856.771096713 |
0.356313559436922 |
177.642617977848 |
30.2522772660614 |
43.1837889791743 |
132204.78900578 |
T |
39 |
CATAB v2.0f-lin.ifort 2020-Dec-17 19:31:44 |
2020-Dec-17 19:31 |
| 2046-Aug-12 14:46 |
< 00:01 |
Eunom |
0.0207967976528652 |
0.0207948798493645 |
0.020798715732035 |
2.99006868119835 |
2.99006845545432 |
2468570.115133521 |
0.546986500844082 |
158.71438762697 |
32.6556771637361 |
54.7312693492741 |
78455.84748511 |
T |
39 |
CATAB v2.0f-lin.ifort 2020-Dec-17 19:31:44 |
2020-Dec-17 19:31 |
|
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