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JPL Small-Body Database Browser
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52074 (2002 RJ2)
Classification: Main-belt Asteroid          SPK-ID: 2052074
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2322408883459932 3.1591e-08  
a 2.294485265543393 7.7237e-09 au
q 1.761611969176803 7.2703e-08 au
i 3.138287291973618 4.926e-06 deg
node 164.1062329641609 7.0049e-05 deg
peri 127.5832347330356 7.0858e-05 deg
M 74.50703111896492 1.2088e-05 deg
tp 2458737.763086203961
(2019-Sep-11.26308620)
4.213e-05 TDB
period 1269.481383784442
3.48
6.41e-06
1.755e-08
d
yr
n .2835803695890415 1.4319e-09 deg/d
Q 2.827358561909983 9.5174e-09 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      9665 days (26.46 yr)  
   first obs. used      1992-11-21  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59215  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:46:26  

Additional Information
 Earth MOID = .747669 au 
 Jupiter MOID = 2.37258 au 
 T_jup = 3.558 
[ 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 16.4   n/a MPO432078  

52074 (2002 RJ2)          Discovered 2002-Sep-04 by LONEOS at Anderson Mesa
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 RJ2 = 1995 SJ33 = 1998 HK74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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