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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 38 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1092819190717313 | 3.0021e-08 | |
| a | 2.230672388508298 | 5.5628e-09 | au |
| q | 1.986900229071789 | 6.8919e-08 | au |
| i | 5.386353183813458 | 3.0744e-06 | deg |
| node | 72.34864309115608 | 3.9493e-05 | deg |
| peri | 354.8674748138516 | 4.3428e-05 | deg |
| M | 303.8787956681168 | 1.8883e-05 | deg |
| tp | 2459390.204046893595
(2021-Jun-24.70404689) | 6.4006e-05 | TDB |
| period | 1216.892219166004
3.33 | 4.552e-06
1.246e-08 | d
yr |
| n | .2958355673000571 | 1.1066e-09 | deg/d |
| Q | 2.474444547944808 | 6.1708e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.22 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
9.010 |
km |
0.099 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
12.605 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Stephens, R.D. (2005) Minor Planet Bull. 32, 66-68.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.] |
| geometric albedo |
albedo |
0.287 |
|
0.034 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| SMASSII spectral type |
spec_B |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) |
|
| 553 Kundry (A904 YA) Discovered 1904-Dec-27 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 |
| 2036-Aug-15 00:14 |
< 00:01 |
Thisb |
0.0458950427110498 |
0.0458934361827081 |
0.0458966492783318 |
4.50994520211406 |
4.50994516917299 |
2464920.509390845 |
0.690954372830915 |
106.474280952052 |
25.084484814685 |
-42.6969281404325 |
191473.970672875 |
T |
38 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:47:47 |
2021-Feb-24 00:47 |
|
Alternate Designations
| A904 YA = 1932 CL = 1957 UB |
|
|
