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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 32 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .159496780405005 | 3.5446e-08 | |
| a | 3.151974468081024 | 1.7245e-08 | au |
| q | 2.649244688503323 | 1.1394e-07 | au |
| i | .5969997397563852 | 4.1877e-06 | deg |
| node | 193.9707100071748 | 0.00034182 | deg |
| peri | 117.4794196528557 | 0.00034204 | deg |
| M | 205.4810131858076 | 1.3412e-05 | deg |
| tp | 2459877.807443787556
(2022-Oct-25.30744379) | 7.8303e-05 | TDB |
| period | 2043.96033312918
5.60 | 1.6774e-05
4.592e-08 | d
yr |
| n | .1761286626579791 | 1.4454e-09 | deg/d |
| Q | 3.654704247658726 | 1.9995e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.4 |
|
n/a |
MPO319192 |
|
| diameter |
diameter |
11.815 |
km |
0.337 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| rotation period |
rot_per |
5.695 |
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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.] |
| geometric albedo |
albedo |
0.076 |
|
0.005 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 8535 Pellesvanslös | Discovered 1993 Mar. 21 by C.-I. Lagerkvist at the European Southern Observatory. |
| Named for the fictional character Pelle Svanslös, a brave cat that appears in Gösta Knutsson's children's stories. Some of the adventures of this cat, whose tail was bitten off by a rat when he was only a few days old, take place in the section of Uppsala where the astronomical observatory is located. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 19990202/MPCPages.arc | Last Updated: 2010-06-11 |
|
[ show close-approach data ]
Alternate Designations
| 1993 FH22 = 1977 LD1 = 1989 SD9 |
|
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