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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 40 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .03314035665864144 | 3.0429e-08 | |
| a | 2.83284406217051 | 8.72e-09 | au |
| q | 2.738962599591864 | 8.7637e-08 | au |
| i | 2.555603400495772 | 3.6203e-06 | deg |
| node | 38.67800672449873 | 7.7824e-05 | deg |
| peri | 59.25077536875706 | 9.6724e-05 | deg |
| M | 291.8657496609441 | 5.7097e-05 | deg |
| tp | 2459330.106229524991
(2021-Apr-25.60622953) | 0.00027626 | TDB |
| period | 1741.535894774194
4.77 | 8.0411e-06
2.202e-08 | d
yr |
| n | .2067140855840225 | 9.5445e-10 | deg/d |
| Q | 2.926725524749155 | 9.0089e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
10.5 |
|
n/a |
MPO502162 |
IRAS observations used: 3 |
| diameter |
diameter |
22.169 |
km |
0.237 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
7.267 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Slivan, S.M.; Binzel, R.P.; Boroumand, S.C.; Pan M.W.; et al. (2008) Icarus 195, 226-276.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] |
| geometric albedo |
albedo |
0.246 |
|
0.024 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| B-V |
BV |
0.845 |
|
0.007 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=6.01, mean=6.91, max.=7.80) deg. |
| U-B |
UB |
0.425 |
|
0.049 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=6.01, mean=6.91, max.=7.80) 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 |
|
| 975 Perseverantia (A922 FE) Discovered 1922-Mar-27 by Palisa, J. at Vienna |
| 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 |
| 2046-Feb-26 04:06 |
< 00:01 |
Juno |
0.0260662278929443 |
0.0260644226144903 |
0.0260680332848076 |
5.83416402550137 |
5.83416394550152 |
2468402.670861204 |
0.45188304669738 |
128.480776192533 |
32.0487763835217 |
47.4848521834441 |
91954.4243951862 |
T |
40 |
CATAB v2.0f-lin.ifort 2020-Dec-18 01:57:41 |
2020-Dec-18 01:57 |
| 2171-Feb-24 00:59 |
00:05 |
Iris |
0.0199404186695466 |
0.0199351197245487 |
0.0199457196146523 |
3.20774254685604 |
3.20774245698096 |
2514055.540719957 |
4.77860197581958 |
412.759418643329 |
33.7904439413276 |
50.4613899195476 |
68177.0147357161 |
T |
40 |
CATAB v2.0f-lin.ifort 2020-Dec-18 01:57:41 |
2020-Dec-18 01:57 |
|
Alternate Designations
| A922 FE = 1950 CK = A912 CB |
|
|
