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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 38 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1366295726003205 | 3.2942e-08 | |
| a | 2.865652288835018 | 9.5142e-09 | au |
| q | 2.474119441390359 | 9.5586e-08 | au |
| i | 11.59753067682805 | 3.7322e-06 | deg |
| node | 208.8428510472661 | 1.7503e-05 | deg |
| peri | 297.5354539305791 | 2.1803e-05 | deg |
| M | 15.80277354058173 | 1.2642e-05 | deg |
| tp | 2458922.720619056988
(2020-Mar-14.22061906) | 6.2212e-05 | TDB |
| period | 1771.877390230168
4.85 | 8.8242e-06
2.416e-08 | d
yr |
| n | .2031743290957822 | 1.0118e-09 | deg/d |
| Q | 3.257185136279676 | 1.0814e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
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Orbital Elements at Epoch 2456499.5 (2013-Jul-26.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1375315167692341 | 3.2948e-08 | |
| q | 2.470534886104142 | 9.5622e-08 | au |
| tp | 2457153.744513127117
(2015-May-11.24451313) | 6.212e-05 | TDB |
| node | 208.9251525318416 | 1.7517e-05 | deg |
| peri | 298.1134292210809 | 2.1757e-05 | deg |
| i | 11.59435374732158 | 3.7314e-06 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
| |
e |
q |
tp |
node |
peri |
i |
| e |
1.085596434610623E-15 |
-3.139150441039201E-15 |
1.213083324259307E-13 |
5.28512934180341E-16 |
2.772901912925209E-14 |
-1.515781698024077E-15 |
| q |
-3.139150441039201E-15 |
9.143573911927949E-15 |
-4.193834184326338E-13 |
-1.755694034719875E-15 |
-1.005313088384823E-13 |
4.692645492725451E-15 |
| tp |
1.213083324259307E-13 |
-4.193834184326338E-13 |
3.858916547149029E-9 |
-7.109540691381591E-13 |
8.14462114843098E-10 |
4.717491522627176E-15 |
| node |
5.28512934180341E-16 |
-1.755694034719875E-15 |
-7.109540691381591E-13 |
3.068365301285659E-10 |
-3.004691279352505E-10 |
-5.945069512043596E-12 |
| peri |
2.772901912925209E-14 |
-1.005313088384823E-13 |
8.14462114843098E-10 |
-3.004691279352505E-10 |
4.733595417143405E-10 |
5.817035263151017E-12 |
| i |
-1.515781698024077E-15 |
4.692645492725451E-15 |
4.717491522627176E-15 |
-5.945069512043596E-12 |
5.817035263151017E-12 |
1.392306680069512E-11 |
|
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
10.2 |
|
n/a |
MPO502162 |
|
| diameter |
diameter |
24.422 |
km |
0.232 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
61.280 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Stephens, R.D. (2010) Minor Planet Bull. 37, 122-123.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.] |
| geometric albedo |
albedo |
0.233 |
|
0.021 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| B-V |
BV |
0.869 |
|
0.020 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=5.70 deg. |
| U-B |
UB |
0.372 |
|
0.082 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=5.70 deg. |
| Tholen spectral type |
spec_T |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 2 color indices |
|
| 968 Petunia (A921 WJ) Discovered 1921-Nov-24 by Reinmuth, K. at Heidelberg |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
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Alternate Designations
| A921 WJ = 1935 QK1 = 1948 KC |
|
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