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JPL Small-Body Database Browser
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385458 (2003 SP317)
Classification: TransNeptunian Object          SPK-ID: 2385458
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1669230461731237 9.1351e-05  
a 45.89445822369326 0.0053113 au
q 38.23361545452921 0.0041503 au
i 5.075115451072342 0.00028769 deg
node 347.0603675399205 0.0011621 deg
peri 96.85723878942528 0.026303 deg
M 305.1990020427639 0.025856 deg
tp 2475887.704302766710
(2066-Aug-25.20430277)
5.1644 TDB
period 113563.5076180991
310.92
19.714
0.05397
d
yr
n .003170032412266081 5.5029e-07 deg/d
Q 53.55530099285731 0.0061979 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      5111 days (13.99 yr)  
   first obs. used      2003-09-25  
   last obs. used      2017-09-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .22917  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:08:18  

Additional Information
 Earth MOID = 37.2536 au 
 Jupiter MOID = 33.1345 au 
 T_jup = 5.947 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.1   n/a MPO460505  
rotation period rot_per 12.45 h n/a LCDB (Rev. 2019-January); 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:
[Andersen, M.; Benecchi, S.D.; Chen, Y.-T.; Eduardo, M.R.; et al (2018) arXiv:1812.04304.]

385458 (2003 SP317)          Discovered 2003-Sep-25 by Mauna Kea at Mauna Kea
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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