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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1480120474617718 3.7609e-08  
a 2.254849383250324 9.3365e-09 au
q 1.92110450931753 8.6891e-08 au
i 7.605356596426005 4.4744e-06 deg
node 332.1354490718843 2.7665e-05 deg
peri 18.72057309602266 3.0652e-05 deg
M 273.3813641515658 1.434e-05 deg
tp 2459694.066181813694
(2022-Apr-24.56618181)
4.9872e-05 TDB
period 1236.729537514026
3.39
7.6813e-06
2.103e-08
d
yr
n .2910903225644979 1.8079e-09 deg/d
Q 2.588594257183118 1.0718e-08 au
  Orbit Determination Parameters
   # obs. used (total)      767  
   data-arc span      8326 days (22.80 yr)  
   first obs. used      1998-08-28  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5085  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:51:29  

Additional Information
 Earth MOID = .915407 au 
 Jupiter MOID = 2.82383 au 
 T_jup = 3.598 
[ 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 16.02   n/a MPO614063  

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

Alternate Designations
 1998 RA74 = 2000 DU65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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