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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .107681808910984 5.2168e-08  
a 3.097098198554728 2.4248e-08 au
q 2.763597062159405 1.5883e-07 au
i 10.7949436746115 4.2213e-06 deg
node 104.8501523529814 2.7005e-05 deg
peri 245.6825954025021 3.3749e-05 deg
M 130.9989936562239 2.1854e-05 deg
tp 2458276.070130250568
(2018-Jun-06.57013025)
0.00012019 TDB
period 1990.814935526834
5.45
2.338e-05
6.401e-08
d
yr
n .1808304697617373 2.1237e-09 deg/d
Q 3.43059933495005 2.686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      958  
   data-arc span      7193 days (19.69 yr)  
   first obs. used      2000-04-28  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52552  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 12:14:21  

Additional Information
 Earth MOID = 1.77825 au 
 Jupiter MOID = 1.98921 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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