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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2506552194296513 5.7576e-08  
a 2.273900330630131 1.3206e-08 au
q 1.703935344294879 1.3589e-07 au
i 22.16281085371755 8.1428e-06 deg
node 300.5204121452787 1.6304e-05 deg
peri 288.7541009942202 2.8831e-05 deg
M 170.3102653192011 2.7301e-05 deg
tp 2458007.992449797961
(2017-Sep-11.49244980)
9.236e-05 TDB
period 1252.436062341604
3.43
1.0911e-05
2.987e-08
d
yr
n .2874398229374918 2.5041e-09 deg/d
Q 2.843865316965383 1.6516e-08 au
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      7816 days (21.40 yr)  
   first obs. used      1997-07-27  
   last obs. used      2018-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54251  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:35:19  

Additional Information
 Earth MOID = .80762 au 
 Jupiter MOID = 2.5548 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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