[ 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 43 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1627188005808913 | 3.1138e-08 | |
a | 3.109993859340007 | 1.1718e-08 | au |
q | 2.603939388734264 | 9.6176e-08 | au |
i | 1.053782726616578 | 3.6582e-06 | deg |
node | 207.8168035907398 | 0.00017337 | deg |
peri | 125.3677714039938 | 0.00017366 | deg |
M | 56.58093310078787 | 1.0075e-05 | deg |
tp | 2458685.648817531084 (2019-Jul-21.14881753) | 5.6006e-05 | TDB |
period | 2003.261867154176 5.48 | 1.1322e-05 3.1e-08 | d yr |
n | .1797069099665009 | 1.0157e-09 | deg/d |
Q | 3.61604832994575 | 1.3625e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
11.3 |
|
n/a |
MPO452169 |
|
diameter |
diameter |
33.027 |
km |
0.130 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
45.479 |
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: [Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.] |
geometric albedo |
albedo |
0.069 |
|
0.012 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
|
848 Inna (A915 RQ) Discovered 1915-Sep-05 by Neujmin, G. at Simeis |
Independent discovery Sept. 9 by M. Wolf, Heidelberg, was announced first. |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
[ show close-approach data ]
Alternate Designations
A915 RQ = 1932 WJ = 1934 AC = 1934 CM1 = 1934 CV = 1937 RD = 1959 TJ = A905 YA |
|
|