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109925 (2001 SP31)
Classification: Main-belt Asteroid          SPK-ID: 2109925
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1965710169219953 3.5885e-08  
a 2.632557575312738 1.4435e-08 au
q 2.115073055627811 9.4225e-08 au
i 8.073317787554551 6.0314e-06 deg
node 173.7908247185841 3.4867e-05 deg
peri 120.9536955458084 3.8657e-05 deg
M 189.504587245705 1.7599e-05 deg
tp 2459739.382604368419
(2022-Jun-08.88260437)
7.8794e-05 TDB
period 1560.146007892696
4.27
1.2832e-05
3.513e-08
d
yr
n .2307476339898824 1.8978e-09 deg/d
Q 3.150042094997665 1.7272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      9506 days (26.03 yr)  
   first obs. used      1993-12-10  
   last obs. used      2019-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62441  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:35:50  

Additional Information
 Earth MOID = 1.11297 au 
 Jupiter MOID = 2.12348 au 
 T_jup = 3.358 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO320271  

109925 (2001 SP31)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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