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85481 (1997 OG1)
Classification: Main-belt Asteroid          SPK-ID: 2085481
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2504565883343223 5.7155e-08  
a 2.273986259755365 1.3255e-08 au
q 1.70445141921791 1.3499e-07 au
i 22.16496715159536 7.9356e-06 deg
node 300.5148293931039 1.5909e-05 deg
peri 288.7856982086806 2.8131e-05 deg
M 285.2278303265461 2.7462e-05 deg
tp 2459260.646305868137
(2021-Feb-15.14630587)
9.6839e-05 TDB
period 1252.50705605482
3.43
1.0951e-05
2.998e-08
d
yr
n .2874235304780937 2.513e-09 deg/d
Q 2.84352110029282 1.6574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      635  
   data-arc span      8224 days (22.52 yr)  
   first obs. used      1997-07-27  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:32:55  

Additional Information
 Earth MOID = .808281 au 
 Jupiter MOID = 2.55557 au 
 T_jup = 3.474 
[ 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 15.2   n/a MPO453285  
diameter diameter 2.245 km 0.706 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.350   0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85481 (1997 OG1)          Discovered 1997-Jul-27 by Zoltowski, F. B. at Woomera
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1997 OG1 = 2000 AX202 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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