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JPL Small-Body Database Browser
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108672 (2001 OA4)
Classification: Main-belt Asteroid          SPK-ID: 2108672
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1066078631598539 6.9091e-08  
a 3.13073993034665 3.6466e-08 au
q 2.796978436263164 2.1967e-07 au
i 5.392907137267008 5.8716e-06 deg
node 50.2893197421301 8.0601e-05 deg
peri 311.32587832 8.4344e-05 deg
M 100.880054507334 2.6315e-05 deg
tp 2458433.514799659788
(2018-Nov-11.01479966)
0.00014645 TDB
period 2023.340224381395
5.54
3.5351e-05
9.679e-08
d
yr
n .1779236114925083 3.1086e-09 deg/d
Q 3.464501424430136 4.0354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      299  
   data-arc span      6703 days (18.35 yr)  
   first obs. used      2000-05-11  
   last obs. used      2018-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65584  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 11:15:51  

Additional Information
 Earth MOID = 1.79828 au 
 Jupiter MOID = 2.00198 au 
 T_jup = 3.198 
[ 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 15.4   n/a MPO453545  

108672 (2001 OA4)          Discovered 2001-Jul-18 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 OA4 = 2004 BZ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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