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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .23214589278032 2.8621e-08  
a 2.294909489446199 6.3129e-09 au
q 1.762155677168682 6.6965e-08 au
i 3.138184083784323 2.9367e-06 deg
node 164.1008685656201 6.8025e-05 deg
peri 127.6318620845017 6.8525e-05 deg
M 131.1725466399879 7.7884e-06 deg
tp 2458737.813083583505
(2019-Sep-11.31308358)
2.7414e-05 TDB
period 1269.83346879049
3.48
5.2396e-06
1.435e-08
d
yr
n .2835017416440427 1.1698e-09 deg/d
Q 2.827663301723715 7.7784e-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 = .746262 au 
 Jupiter MOID = 2.37181 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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