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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1964917097655824 3.5992e-08  
a 2.632374258794786 1.4391e-08 au
q 2.115134539941291 9.4467e-08 au
i 8.0730639996061 6.0867e-06 deg
node 173.8088340866237 3.5056e-05 deg
peri 120.8657812524766 3.8895e-05 deg
M 97.3036807002931 1.7409e-05 deg
tp 2458178.855298069533
(2018-Mar-01.35529807)
7.4328e-05 TDB
period 1559.983051026669
4.27
1.2792e-05
3.502e-08
d
yr
n .2307717380410472 1.8924e-09 deg/d
Q 3.149613977648281 1.7218e-08 au
  Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      9173 days (25.11 yr)  
   first obs. used      1993-12-10  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61944  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:03:10  

Additional Information
 Earth MOID = 1.11233 au 
 Jupiter MOID = 2.12192 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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