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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1105854980852477 2.9817e-08  
a 2.217580549252191 7.3061e-09 au
q 1.97234829966898 6.4451e-08 au
i 4.405614217475694 3.9641e-06 deg
node 315.6093971748376 4.4476e-05 deg
peri 144.007259709555 4.8626e-05 deg
M 296.421241505746 2.1033e-05 deg
tp 2459609.523283630263
(2022-Jan-30.02328363)
7.0941e-05 TDB
period 1206.195023670136
3.30
5.961e-06
1.632e-08
d
yr
n .2984591985005992 1.475e-09 deg/d
Q 2.462812798835401 8.1141e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1477  
   data-arc span      10871 days (29.76 yr)  
   first obs. used      1991-10-11  
   last obs. used      2021-07-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51284  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:09:46  

Additional Information
 Earth MOID = .991373 au 
 Jupiter MOID = 2.65201 au 
 T_jup = 3.640 
[ 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 15.22   n/a MPO637171  

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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