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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2320234892402813 2.8619e-08  
a 2.295203361144347 6.3297e-09 au
q 1.762662268775614 6.6982e-08 au
i 3.138346867445913 2.9368e-06 deg
node 164.093808849621 6.8013e-05 deg
peri 127.6659303019993 6.8513e-05 deg
M 186.6967413784763 7.812e-06 deg
tp 2460007.912638499229
(2023-Mar-04.41263850)
2.7909e-05 TDB
period 1270.077386948717
3.48
5.2539e-06
1.438e-08
d
yr
n .2834472951800819 1.1725e-09 deg/d
Q 2.82774445351308 7.7983e-09 au
  Orbit Determination Parameters
   # obs. used (total)      746  
   data-arc span      10299 days (28.20 yr)  
   first obs. used      1992-11-21  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53989  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:42:53  

Additional Information
 Earth MOID = .748334 au 
 Jupiter MOID = 2.37082 au 
 T_jup = 3.557 
[ 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 16.51   n/a MPCxxxxx  

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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