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JPL Small-Body Database Browser
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77708 (2001 OS31)
Classification: Main-belt Asteroid          SPK-ID: 2077708
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1074001381551111 5.254e-08  
a 3.097075154668524 2.43e-08 au
q 2.764448855180363 1.6029e-07 au
i 10.79431935038582 4.2212e-06 deg
node 104.8510842808401 2.7484e-05 deg
peri 245.6644379683467 3.4211e-05 deg
M 58.71676292561675 2.188e-05 deg
tp 2458275.797488951045
(2018-Jun-06.29748895)
0.00012081 TDB
period 1990.792716650704
5.45
2.343e-05
6.415e-08
d
yr
n .1808324879777848 2.1283e-09 deg/d
Q 3.429701454156686 2.691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      932  
   data-arc span      7162 days (19.61 yr)  
   first obs. used      2000-04-28  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5401  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:36:57  

Additional Information
 Earth MOID = 1.7782 au 
 Jupiter MOID = 1.98694 au 
 T_jup = 3.187 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1   n/a MPO287283  

77708 (2001 OS31)          Discovered 2001-Jul-22 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 OS31 = 2000 HG96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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