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JPL Small-Body Database Browser
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85702 (1998 RA74)
Classification: Main-belt Asteroid          SPK-ID: 2085702
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1477091745821997 3.9661e-08  
a 2.255354668597231 9.7649e-09 au
q 1.922218092108624 9.1587e-08 au
i 7.604869470390329 4.6926e-06 deg
node 332.1337186683658 2.9011e-05 deg
peri 18.69883940111032 3.2099e-05 deg
M 158.1406206854136 1.4329e-05 deg
tp 2458457.047443893337
(2018-Dec-04.54744389)
4.8625e-05 TDB
period 1237.145265716314
3.39
8.0346e-06
2.2e-08
d
yr
n .290992505064923 1.8898e-09 deg/d
Q 2.588491245085839 1.1207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      681  
   data-arc span      7828 days (21.43 yr)  
   first obs. used      1998-08-28  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50319  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:37:30  

Additional Information
 Earth MOID = .917331 au 
 Jupiter MOID = 2.82363 au 
 T_jup = 3.598 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO468827  

85702 (1998 RA74)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 RA74 = 2000 DU65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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