[ 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 123 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1204680763082985 | 3.2397e-08 | |
| a | 2.266641932353973 | 3.7336e-09 | au |
| q | 1.993583939083565 | 7.3048e-08 | au |
| i | 5.415254606013626 | 3.5161e-06 | deg |
| node | 207.9514887125738 | 3.5954e-05 | deg |
| peri | 102.9693054758674 | 3.9065e-05 | deg |
| M | 180.0086879142404 | 1.6865e-05 | deg |
| tp | 2459823.691967910843
(2022-Sep-01.19196791) | 5.9027e-05 | TDB |
| period | 1246.444096929572
3.41 | 3.0797e-06
8.432e-09 | d
yr |
| n | .2888216173407263 | 7.1362e-10 | deg/d |
| Q | 2.53969992562438 | 4.1834e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
9.1 |
|
n/a |
MPO502153 |
IRAS observations used: 21 |
| diameter |
diameter |
74.966 |
km |
1.168 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
8.097 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Harris, A.W.; Young, J.W.; Dockweiler, T.; Gibson, J.; et al. (1992) Icarus 95, 115-147.]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Hanus, J.; Marchis, F.; Durech, J. (2013) Icarus 226, 1045-1057.]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Viikinkoski, M.; Hanus, J.; Kaasalainen, M.; Marchis, F.; Durech, J. (2017) Astron. Astrophys. 607, A117.] |
| geometric albedo |
albedo |
0.083 |
|
0.015 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| B-V |
BV |
0.785 |
|
0.014 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=5; phase (min.=2.28, mean=7.77, max.=15.33) deg. |
| U-B |
UB |
0.375 |
|
0.040 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=5; phase (min.=2.28, mean=7.77, max.=15.33) deg. |
| Tholen spectral type |
spec_T |
TDG |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 2 color indices; used ground-based radiometric albedo |
|
| 72 Feronia (A861 KA) Discovered 1861-May-29 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 |
| 2089-Jun-12 08:51 |
< 00:01 |
Juno |
0.043574340656426 |
0.0435719558113834 |
0.043576725568084 |
6.73905989620454 |
6.73905985477446 |
2484214.869089293 |
0.167133256418989 |
147.366537449427 |
26.2098519154043 |
36.903254283568 |
153416.175450217 |
T |
123 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:43:18 |
2021-Feb-24 00:43 |
|
Alternate Designations
| A861 KA = 1927 TK = 1950 LJ = A902 GA |
|
|
