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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 | .1504826176375562 | 3.2176e-08 | |
| a | 2.726006260899537 | 9.4845e-09 | au |
| q | 2.315789703063007 | 8.7021e-08 | au |
| i | 9.66147686180588 | 3.625e-06 | deg |
| node | 120.5041133035446 | 2.1347e-05 | deg |
| peri | 203.9764486267339 | 2.5024e-05 | deg |
| M | 191.3418902048698 | 1.5154e-05 | deg |
| tp | 2459770.682113169287
(2022-Jul-10.18211317) | 7.0554e-05 | TDB |
| period | 1643.950362527715
4.50 | 8.5796e-06
2.349e-08 | d
yr |
| n | .2189847140192658 | 1.1429e-09 | deg/d |
| Q | 3.136222818736066 | 1.0912e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
10.4 |
|
n/a |
MPO337245 |
|
| diameter |
diameter |
52.627 |
km |
0.360 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
42.986 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Polakis, T.; Skiff, B. (2019) Minor Planet Bull. 46, 132-137.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
[Pilcher, F. (2020) Minor Planet Bull. 47, 192-195.]
[Polakis, T. (2020) Minor Planet Bull. 47, 177-186.] |
| geometric albedo |
albedo |
0.039 |
|
0.005 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| SMASSII spectral type |
spec_B |
Cb |
|
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) |
|
| 527 Euryanthe (A904 FC) Discovered 1904-Mar-20 by Wolf, M. at Heidelberg |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
Alternate Designations
| A904 FC = 1948 EF = 1977 FM = 2000 WW197 |
|
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