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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2221616347416064 4.1353e-08  
a 3.166979208506939 1.7007e-08 au
q 2.463397930352359 1.3494e-07 au
i 5.398584069296435 4.3189e-06 deg
node 157.756203236809 4.5972e-05 deg
peri 227.567728524386 4.6777e-05 deg
M 304.7281443935522 1.0291e-05 deg
tp 2459712.558729160667
(2022-May-13.05872916)
6.0479e-05 TDB
period 2058.572871299922
5.64
1.6582e-05
4.54e-08
d
yr
n .1748784339962042 1.4087e-09 deg/d
Q 3.870560486661519 2.0785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      815  
   data-arc span      10285 days (28.16 yr)  
   first obs. used      1993-06-12  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57646  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:53:47  

Additional Information
 Earth MOID = 1.47043 au 
 Jupiter MOID = 1.60273 au 
 T_jup = 3.158 
[ 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 14.89   n/a MPO637170  
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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