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85193 (1991 RD19)
Classification: Main-belt Asteroid          SPK-ID: 2085193
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2387101594436526 5.7952e-08  
a 2.211351949923954 9.071e-09 au
q 1.683479773371575 1.3063e-07 au
i 2.8484448985057 3.9495e-06 deg
node 270.5062201994763 0.00011744 deg
peri 95.89796323057787 0.00011779 deg
M 196.2475004685598 8.6163e-06 deg
tp 2458146.849647109880
(2018-Jan-28.34964711)
2.986e-05 JED
period 1201.116767819434
3.29
7.3905e-06
2.023e-08
d
yr
n .2997210676307198 1.8442e-09 deg/d
Q 2.739224126476334 1.1236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      747  
   data-arc span      8970 days (24.56 yr)  
   first obs. used      1991-09-12  
   last obs. used      2016-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49663  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 15:30:10  

Additional Information
 Earth MOID = .683908 au 
 Jupiter MOID = 2.72737 au 
 T_jup = 3.618 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0 mag n/a MPO314009  

85193 (1991 RD19)          Discovered 1991-Sep-14 by Holt, H. E. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1991 RD19 = 2001 SV109 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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