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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 98 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1820926524289956 | 3.1674e-08 | |
| a | 2.375046011793973 | 3.2542e-09 | au |
| q | 1.942567583865501 | 7.5364e-08 | au |
| i | 11.65080668622783 | 3.674e-06 | deg |
| node | 176.5768903395373 | 1.4541e-05 | deg |
| peri | 315.9760581929695 | 1.6714e-05 | deg |
| M | 333.199362814969 | 8.9108e-06 | deg |
| tp | 2459300.028873143281
(2021-Mar-26.52887314) | 3.316e-05 | TDB |
| period | 1336.9232262729
3.66 | 2.7477e-06
7.523e-09 | d
yr |
| n | .2692749986875573 | 5.5342e-10 | deg/d |
| Q | 2.807524439722445 | 3.8467e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2454430.5 (2007-Nov-26.0) TDB
Reference: JPL 98 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1797840589712196 | 3.1581e-08 | |
| q | 1.94959320239934 | 7.5003e-08 | au |
| tp | 2453952.124406201247
(2006-Aug-04.62440620) | 3.2103e-05 | TDB |
| node | 176.7633163166982 | 1.4547e-05 | deg |
| peri | 316.0564329798938 | 1.6792e-05 | deg |
| i | 11.64240969591184 | 3.6713e-06 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
| |
e |
q |
tp |
node |
peri |
i |
| e |
9.973352020837572E-16 |
-2.367080629153544E-15 |
2.539717221620755E-13 |
1.689827999588819E-15 |
6.299541207983185E-14 |
-2.601831304543479E-16 |
| q |
-2.367080629153544E-15 |
5.625385866072882E-15 |
-6.076518920688371E-13 |
-4.133519374276753E-15 |
-1.504523409488179E-13 |
3.670194535251178E-16 |
| tp |
2.539717221620755E-13 |
-6.076518920688371E-13 |
1.030572240395689E-9 |
2.24580714630228E-13 |
2.770075548570597E-10 |
-2.757006744440431E-13 |
| node |
1.689827999588819E-15 |
-4.133519374276753E-15 |
2.24580714630228E-13 |
2.116122663883523E-10 |
-2.066892232507849E-10 |
-8.138468082159281E-12 |
| peri |
6.299541207983185E-14 |
-1.504523409488179E-13 |
2.770075548570597E-10 |
-2.066892232507849E-10 |
2.819671061932045E-10 |
7.924981117708019E-12 |
| i |
-2.601831304543479E-16 |
3.670194535251178E-16 |
-2.757006744440431E-13 |
-8.138468082159281E-12 |
7.924981117708019E-12 |
1.347880742951845E-11 |
|
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
9.07 |
|
n/a |
E2021B10 |
IRAS observations used: 17 |
| diameter |
diameter |
71.183 |
km |
17.773 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N) |
|
| rotation period |
rot_per |
8.392 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Hainaut-Rouelle, M.-C.; Hainaut, O.R.; Detal, A. (1995) Astron. Astrophys. Suppl. Ser. 112, 125-142.]
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Shevchenko, V.G.; Chiorny, V.G.; Gaftonyuk, N.M.; Krugly, Yu.N.; et al. (2005) Abstr. IAU Symp. 229, p. 133.]
[Hawkins, S.; Ditteon, R. (2008) Minor Planet Bull. 35, 1-4.]
[Shevchenko, V.G.; Chiorny, V.G.; Gaftonyuk, M.; Krugly, Y.N.; et al. (2008) Icarus 196, 601-611.]
[Sheridan, E.E. (2009) Minor Planet Bull. 36, 55-56.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Behrend, R. (2015) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Carbognani, A.; Cellino, A.; Caminiti, S. (2019) Planet. Space Sci. 169, 15-34.] |
| geometric albedo |
albedo |
0.044 |
|
0.016 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N) |
|
| B-V |
BV |
0.715 |
|
0.014 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=9; phase (min.=3.46, mean=10.74, max.=28.29) deg. |
| U-B |
UB |
0.342 |
|
0.015 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=9; phase (min.=3.46, mean=10.34, max.=24.71) deg. |
| Tholen spectral type |
spec_T |
C |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices; used ground-based radiometric albedo |
|
| 313 Chaldaea (A891 QB) Discovered 1891-Aug-30 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 |
| 2167-Jun-12 07:54 |
< 00:01 |
Juno |
0.041814184474907 |
0.0418112737292219 |
0.0418170954909818 |
5.34130372629671 |
5.34130367182449 |
2512702.828830094 |
0.148165507255544 |
224.08207959834 |
27.8361851800598 |
-50.1761052876911 |
173412.4860023 |
T |
98 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:45:37 |
2021-Feb-24 00:45 |
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