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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .250455636126701 3.6212e-08  
a 2.27398826531509 9.1184e-09 au
q 1.704455087780946 8.1416e-08 au
i 22.1643908837663 7.205e-06 deg
node 300.5151464838294 1.1752e-05 deg
peri 288.8361094776066 2.0757e-05 deg
M 39.01405009459402 1.5012e-05 deg
tp 2459260.762673126226
(2021-Feb-15.26267313)
5.2296e-05 TDB
period 1252.508713042577
3.43
7.5336e-06
2.063e-08
d
yr
n .2874231502354128 1.7288e-09 deg/d
Q 2.843521442849234 1.1402e-08 au
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      8779 days (24.04 yr)  
   first obs. used      1997-07-27  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5089  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:54:01  

Additional Information
 Earth MOID = .808191 au 
 Jupiter MOID = 2.55334 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 15.36   n/a MPO637173  
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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