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85245 (1993 RM2)
Classification: Main-belt Asteroid          SPK-ID: 2085245
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .276565757370258 3.9033e-08  
a 2.388777332913279 9.7997e-09 au
q 1.728123320647213 9.3717e-08 au
i 23.80496916371602 4.6362e-06 deg
node 194.7445411809618 8.1185e-06 deg
peri 225.717543788263 1.1117e-05 deg
M 45.67102759071411 5.4401e-06 deg
tp 2458829.419617155932
(2019-Dec-11.91961716)
2.0617e-05 TDB
period 1348.534094213961
3.69
8.2983e-06
2.272e-08
d
yr
n .2669565430674842 1.6427e-09 deg/d
Q 3.049431345179345 1.251e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1255  
   data-arc span      13653 days (37.38 yr)  
   first obs. used      1982-11-06  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44855  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:35  

Additional Information
 Earth MOID = .79299 au 
 Jupiter MOID = 2.52966 au 
 T_jup = 3.370 
[ 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 15.0   n/a MPO502664  

85245 (1993 RM2)          Discovered 1993-Sep-14 by Helin, E. F. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1993 RM2 = 2002 FY39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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