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85240 (1993 OT11)
Classification: Main-belt Asteroid          SPK-ID: 2085240
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915352852856214 4.4726e-08  
a 3.069279312226146 1.9288e-08 au
q 2.481404023537655 1.4477e-07 au
i 5.946450892288455 4.166e-06 deg
node 290.3902900738019 4.6173e-05 deg
peri 22.36082228767591 4.7886e-05 deg
M 343.2396375052764 1.1152e-05 deg
tp 2459091.939522956161
(2020-Aug-30.43952296)
6.0832e-05 TDB
period 1964.05228553864
5.38
1.8513e-05
5.069e-08
d
yr
n .1832945093420821 1.7278e-09 deg/d
Q 3.657154600914636 2.2982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      816  
   data-arc span      9880 days (27.05 yr)  
   first obs. used      1993-07-19  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5584  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:55:18  

Additional Information
 Earth MOID = 1.46846 au 
 Jupiter MOID = 1.63236 au 
 T_jup = 3.195 
[ 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 3.529 km 0.864 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.187   0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85240 (1993 OT11)          Discovered 1993-Jul-19 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1993 OT11 = 1999 RB253 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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