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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2386119007783712 6.535e-08  
a 2.210809103253718 1.2888e-08 AU
q 1.683283740868222 1.446e-07 AU
i 2.850733130244429 7.5053e-06 deg
node 270.6576880668867 0.00013034 deg
peri 95.50250610202346 0.00013132 deg
M 316.7353858025608 1.8601e-05 deg
tp 2456944.796443702178
(2014-Oct-14.29644370)
6.277e-05 JED
period 1200.67451649341
3.29
1.0499e-05
2.874e-08
d
yr
n .2998314656093361 2.6217e-09 deg/d
Q 2.738334465639213 1.5963e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      8327 days (22.80 yr)  
   first obs. used      1991-09-12  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54478  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 14:23:35  

Additional Information
 Earth MOID = .683412 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 15.9 mag n/a MPO259846  

85193 (1991 RD19)          Discovered 1991-Sep-14 by Holt, H. E. at Palomar (675)
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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