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JPL Small-Body Database Browser
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108802 (2001 OB72)
Classification: Main-belt Asteroid          SPK-ID: 2108802
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08541721462484995 4.2587e-08  
a 3.107758109901591 1.8928e-08 au
q 2.842302068426009 1.3565e-07 au
i 2.791689220912796 5.1657e-06 deg
node 157.17385963 7.6782e-05 deg
peri 161.6666688589136 8.0694e-05 deg
M 186.9487866879001 2.4206e-05 deg
tp 2459962.425388450920
(2023-Jan-17.92538845)
0.00013504 TDB
period 2001.102062299832
5.48
1.8282e-05
5.005e-08
d
yr
n .1799008690172745 1.6436e-09 deg/d
Q 3.373214151377173 2.0545e-08 au
  Orbit Determination Parameters
   # obs. used (total)      951  
   data-arc span      7606 days (20.82 yr)  
   first obs. used      1999-03-10  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59308  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 15:43:49  

Additional Information
 Earth MOID = 1.82934 au 
 Jupiter MOID = 1.8753 au 
 T_jup = 3.212 
[ 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 14.5   n/a MPO338034  
diameter diameter 4.742 km 1.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.150   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108802 (2001 OB72)          Discovered 2001-Jul-21 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 OB72 = 2001 RD144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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