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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2232200363015295 5.4256e-08  
a 3.15988251974201 2.073e-08 au
q 2.45453342897663 1.686e-07 au
i 5.396642978446147 6.0788e-06 deg
node 157.834423185972 5.2474e-05 deg
peri 228.0825668050682 5.376e-05 deg
M 164.6001492108524 1.102e-05 deg
tp 2457662.435814451552
(2016-Sep-30.93581445)
5.9662e-05 TDB
period 2051.657355212019
5.62
2.0189e-05
5.527e-08
d
yr
n .1754678962768602 1.7267e-09 deg/d
Q 3.86523161050739 2.5357e-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 = 1.46182 au 
 Jupiter MOID = 1.60271 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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