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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 99 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2572984095397857 | 3.2215e-08 | |
a | 2.669020558885099 | 5.2015e-09 | au |
q | 1.982285814054973 | 8.589e-08 | au |
i | 11.77759152290916 | 3.5752e-06 | deg |
node | 159.6173773230873 | 1.8202e-05 | deg |
peri | 268.6731465719123 | 1.9353e-05 | deg |
M | 41.44467018082651 | 8.1193e-06 | deg |
tp | 2458817.145111834801 (2019-Nov-29.64511183) | 3.5722e-05 | TDB |
period | 1592.671855065422 4.36 | 4.6558e-06 1.275e-08 | d yr |
n | .226035261975049 | 6.6076e-10 | deg/d |
Q | 3.355755303715225 | 6.5398e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
7.8 |
|
n/a |
MPO492749 |
IRAS observations used: 18 |
diameter |
diameter |
100.717 |
km |
0.641 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
35.15 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Harris, A.W.; Young, J.W. (1983) Icarus 54, 59-109.] [Lagerkvist, C.I.; Magnusson, P.; Williams, I.P.; Buontempo, M.E.; et al. (1988) Astron. Astrophys. Suppl. Ser. 73, 395-405.] [Lagerkvist, C.-I.; Erikson, A.; Debehogne, H.; Festin, L.; et al. (1995) Astron. Astrophys. Suppl. Ser. 113, 115-129.] [Piironen, J.; Magnusson, P.; Lagerkvist, C.-I.; Williams, I.P.; et al. (1997) Astron. Astrophys. Suppl. Ser. 121, 489-497.] [Lagerkvist, C.-I.; Bel'skaya, I.; Erikson, A.; Schevchenko, V.; et al. (1998) Astron. Astrophys. Suppl. Ser. 131, 55-62.] [Tungalag, N.; Shevchenko, V.G.; Lupishko, D.F. (2002) Kin. Fiz. Neb. Tel 18, 508-516; Kinematics and Physics of Celestial Bodies 18, ???-???.] [Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.] [Hanus, J.; Marchis, F.; Durech, J. (2013) Icarus 226, 1045-1057.] |
geometric albedo |
albedo |
0.128 |
|
0.036 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N) |
|
B-V |
BV |
0.716 |
|
0.032 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=5; phase (min.=8.26, mean=18.39, max.=23.78) deg. |
U-B |
UB |
0.226 |
|
0.019 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=4; phase (min.=16.72, mean=20.93, max.=23.78) deg. |
Tholen spectral type |
spec_T |
M |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices; used ground-based radiometric albedo |
|
97 Klotho (A868 DB) Discovered 1868-Feb-17 by Tempel, E. W. at Marseille |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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