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85292 (1994 RA18)
Classification: Main-belt Asteroid          SPK-ID: 2085292
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1105176086752514 3.0205e-08  
a 2.21890443662383 7.64e-09 au
q 1.973676424409258 6.5153e-08 au
i 4.404528726420843 4.2899e-06 deg
node 315.6161341386891 4.9447e-05 deg
peri 143.5310198497241 5.415e-05 deg
M 178.8195950175441 2.2607e-05 deg
tp 2458400.820875458339
(2018-Oct-09.32087546)
7.4776e-05 TDB
period 1207.275325804297
3.31
6.2352e-06
1.707e-08
d
yr
n .2981921292561536 1.5401e-09 deg/d
Q 2.464132448838401 8.4843e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1385  
   data-arc span      10071 days (27.57 yr)  
   first obs. used      1991-10-11  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51845  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:55:22  

Additional Information
 Earth MOID = .99253 au 
 Jupiter MOID = 2.65276 au 
 T_jup = 3.639 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO474739  

85292 (1994 RA18)          Discovered 1994-Sep-03 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1994 RA18 = 1999 BR19 = 2001 TN112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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