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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 63 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .02426747144463862 | 3.0766e-08 | |
| a | 2.476439086536462 | 6.2134e-09 | au |
| q | 2.416342171719552 | 7.8559e-08 | au |
| i | 15.88058429515187 | 3.2755e-06 | deg |
| node | 178.4636302391746 | 1.3039e-05 | deg |
| peri | 55.24482631724111 | 7.9025e-05 | deg |
| M | 327.7421689639717 | 7.7908e-05 | deg |
| tp | 2459328.047680118192
(2021-Apr-23.54768012) | 0.00030812 | TDB |
| period | 1423.442412828839
3.90 | 5.3571e-06
1.467e-08 | d
yr |
| n | .2529080184456244 | 9.5182e-10 | deg/d |
| Q | 2.536536001353373 | 6.3642e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
9.65 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
81.057 |
km |
0.500 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
22.778 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Menke, J.; Cooney, W.; Gross, J.; Terrell, D. (2008) Minor Planet Bull. 35, 155-160.]
[Marciniak, A.; Pilcher, F.; Oszkiewicz, D.; Santana-Ros, T.; et al. (2015) Planet. Space Sci. 118, 256-266.]
[Marciniak, A.; Bartczak, P.; Muller, T.; Sanabria, J.J.; et al. (2018) Astron. Astrophys. 610, A7.] |
| geometric albedo |
albedo |
0.039 |
|
0.007 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| B-V |
BV |
0.698 |
|
0.016 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=9.70, mean=10.26, max.=10.81) deg. |
| U-B |
UB |
0.331 |
|
0.030 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=9.70, mean=10.26, max.=10.81) deg. |
| Tholen spectral type |
spec_T |
C |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices |
|
| 329 Svea (A892 FG) Discovered 1892-Mar-21 by Wolf, M. at Heidelberg |
| 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 |
| 2120-Feb-09 08:14 |
< 00:01 |
Psych |
0.026297499931838 |
0.026291233434335 |
0.0263037669638657 |
4.74069280218841 |
4.74069270513811 |
2495412.843220294 |
0.71308441898673 |
364.125025530441 |
20.5350495903292 |
-30.9997883648681 |
99033.5511105782 |
T |
63 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:45:48 |
2021-Feb-24 00:45 |
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