[ hide orbit diagram ]
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 53 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1918930841654969 | 3.5392e-08 | |
a | 2.989593229270026 | 9.8326e-09 | au |
q | 2.415910964105113 | 1.049e-07 | au |
i | 10.20397338577055 | 3.9089e-06 | deg |
node | 299.6088050849595 | 1.9388e-05 | deg |
peri | 27.08078356258869 | 2.1515e-05 | deg |
M | 94.7637084448845 | 1.0773e-05 | deg |
tp | 2458503.500300791058 (2019-Jan-20.00030079) | 5.5057e-05 | TDB |
period | 1888.063422710821 5.17 | 9.3146e-06 2.55e-08 | d yr |
n | .190671560960131 | 9.4066e-10 | deg/d |
Q | 3.563275494434939 | 1.1719e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
9.3 |
|
n/a |
MPO416709 |
|
diameter |
diameter |
74.378 |
km |
0.319 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
20.372 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Pilcher, F. (2017) Minor Planet Bull. 44, 249-251.] [Pilcher, F. (2018) Minor Planet Bull. 45, 18-19.] [Pilcher, F. (2020) Minor Planet Bull. 47, 133-135.] |
geometric albedo |
albedo |
0.055 |
|
0.006 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
|
576 Emanuela (A905 SK) Discovered 1905-Sep-22 by Gotz, P. at Heidelberg |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
[ show close-approach data ]
Alternate Designations
A905 SK = 1972 JG = A923 BA |
|
|