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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1110148855243752 3.0182e-08  
a 2.217619392898976 7.6416e-09 au
q 1.971430629859662 6.5156e-08 au
i 4.403804380074964 4.2892e-06 deg
node 315.6381054546154 4.9481e-05 deg
peri 143.2542131780623 5.4131e-05 deg
M 59.74099174207137 2.2291e-05 deg
tp 2458400.330054813725
(2018-Oct-08.83005481)
7.4359e-05 TDB
period 1206.226715789713
3.30
6.2347e-06
1.707e-08
d
yr
n .2984513568531842 1.5426e-09 deg/d
Q 2.463808155938291 8.4899e-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 = .990449 au 
 Jupiter MOID = 2.65561 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 15.1   n/a MPO426528  

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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