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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1913227917770657 4.6641e-08  
a 3.065868358974049 2.2607e-08 au
q 2.479297865314163 1.4803e-07 au
i 5.94538119513696 4.2885e-06 deg
node 290.4047864370127 5.9334e-05 deg
peri 22.70868619757458 6.0886e-05 deg
M 269.5355809751898 1.4701e-05 deg
tp 2459093.224298173873
(2020-Aug-31.72429817)
8.1818e-05 TDB
period 1960.779157758663
5.37
2.1688e-05
5.938e-08
d
yr
n .1836004827853794 2.0308e-09 deg/d
Q 3.652438852633935 2.6933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      9425 days (25.80 yr)  
   first obs. used      1993-07-19  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59711  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:55:17  

Additional Information
 Earth MOID = 1.46561 au 
 Jupiter MOID = 1.63615 au 
 T_jup = 3.196 
[ 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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