[ 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 39 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2991395198364959 | 1.1188e-08 | |
a | 2.69447254787079 | 7.9075e-09 | au |
q | 1.888449323688102 | 3.1317e-08 | au |
i | 7.844852339796214 | 4.4446e-07 | deg |
node | 2.768344609132773 | 1.9466e-06 | deg |
peri | 57.60728068072942 | 2.7183e-06 | deg |
M | 340.9781110396719 | 1.7128e-06 | deg |
tp | 2459085.861141305123 (2020-Aug-24.36114130) | 8.0014e-06 | TDB |
period | 1615.507846457017 4.42 | 7.1116e-06 1.947e-08 | d yr |
n | .2228401432958179 | 9.8096e-10 | deg/d |
Q | 3.500495772053478 | 1.0273e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
9.0 |
|
n/a |
MPO492749 |
IRAS observations used: 15 |
magnitude slope |
G |
0.04 |
|
n/a |
PDS3 (MPC 17257) |
Fit |
diameter |
diameter |
82.588 |
km |
0.616 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
13.191 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Harris, A.W.; Young, J.W. (1989) Icarus 81, 314-364.] [Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] |
geometric albedo |
albedo |
0.036 |
|
0.009 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N) |
|
B-V |
BV |
0.696 |
|
0.010 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=4; phase (min.=8.46, mean=12.89, max.=24.09) deg. |
U-B |
UB |
0.408 |
|
0.019 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=5; phase (min.=8.46, mean=15.54, max.=26.17) deg. |
Tholen spectral type |
spec_T |
GC |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices; used ground-based radiometric albedo |
SMASSII spectral type |
spec_B |
Ch |
|
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) |
|
109 Felicitas (A869 TA) Discovered 1869-Oct-09 by Peters, C. H. F. at Clinton |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
[ show close-approach data ]
|