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85238 (1993 OU1)
Classification: Main-belt Asteroid          SPK-ID: 2085238
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2227289490565919 5.4489e-08  
a 3.161678935810776 2.0248e-08 au
q 2.457481509183278 1.699e-07 au
i 5.39573091619157 6.0771e-06 deg
node 157.8123112112901 5.2471e-05 deg
peri 227.9604300488563 5.3756e-05 deg
M 234.9562984960897 1.1323e-05 deg
tp 2459713.737872490912
(2022-May-14.23787249)
6.8187e-05 TDB
period 2053.407176919653
5.62
1.9726e-05
5.401e-08
d
yr
n .1753183703877189 1.6842e-09 deg/d
Q 3.865876362438275 2.4758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      659  
   data-arc span      9460 days (25.90 yr)  
   first obs. used      1993-06-12  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59609  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:55:17  

Additional Information
 Earth MOID = 1.46543 au 
 Jupiter MOID = 1.60497 au 
 T_jup = 3.159 
[ 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 14.8   n/a MPO436372  
diameter diameter 5.571 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85238 (1993 OU1)          Discovered 1993-Jul-25 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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