85713 (1998 SS49) |
Classification: Apollo [NEO, PHA] SPK-ID: 2085713 |
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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 184 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .6392575982370078 | 3.8327e-08 | |
a | 1.924320950843959 | 3.0436e-09 | au |
q | .6941841615702947 | 7.3782e-08 | au |
i | 10.761290340123 | 4.574e-06 | deg |
node | 41.47102776801906 | 1.8722e-05 | deg |
peri | 102.4753054444707 | 1.8995e-05 | deg |
M | 83.0753359693647 | 3.4938e-06 | deg |
tp | 2458975.499079559771 (2020-May-05.99907956) | 9.1136e-06 | TDB |
period | 975.0226154770226 2.67 | 2.3132e-06 6.333e-09 | d yr |
n | .3692222049884173 | 8.7597e-10 | deg/d |
Q | 3.154457740117623 | 4.9892e-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 |
15.66 |
|
n/a |
E2021B10 |
|
diameter |
diameter |
3.484 |
km |
0.789 |
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M) |
|
rotation period |
rot_per |
5.370 |
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: [Warner, B.D. (2015) Minor Planet Bull. 42, 41-53.] [Vaduvescu, O.; Aznar, A.M.; Tudor, V.; Predatu, M.; et al. (2017) Earth, Moon, and Planets 120, 41-100.] |
geometric albedo |
albedo |
0.076 |
|
0.039 |
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M) |
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85713 (1998 SS49) Discovered 1998-Sep-29 by LINEAR at Socorro |
Reference: 20040830/Numbers.arc | Last Updated: 2004-09-06 |
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