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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2385154223588735 5.8899e-08  
a 2.210527201315809 9.4661e-09 AU
q 1.68328237225819 1.3304e-07 AU
i 2.850712817132001 4.4434e-06 deg
node 270.6543685267027 0.00012077 deg
peri 95.51224796597391 0.0001214 deg
M 16.70045635536465 9.8818e-06 deg
tp 2456944.811174307338
(2014-Oct-14.31117431)
3.294e-05 JED
period 1200.44487544307
3.29
7.711e-06
2.111e-08
d
yr
n .2998888223560688 1.9263e-09 deg/d
Q 2.737772030373428 1.1724e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      8562 days (23.44 yr)  
   first obs. used      1991-09-12  
   last obs. used      2015-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49277  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 17:56:58  

Additional Information
 Earth MOID = .684852 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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