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JPL Small-Body Database Browser
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437880 (2001 RJ22)
Classification: Main-belt Asteroid          SPK-ID: 2437880
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2136177584916932 8.9168e-08  
a 2.382925329767071 2.4789e-08 au
q 1.87389016216915 2.0179e-07 au
i 3.845804367716084 8.4405e-06 deg
node 342.3605951268947 0.00012143 deg
peri 14.19730097124905 0.00012368 deg
M 278.0488517039284 2.4315e-05 deg
tp 2458906.355729162919
(2020-Feb-26.85572916)
9.4168e-05 TDB
period 1343.581692118022
3.68
2.0965e-05
5.74e-08
d
yr
n .2679405369334082 4.181e-09 deg/d
Q 2.891960497364991 3.0084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      6517 days (17.84 yr)  
   first obs. used      2001-08-01  
   last obs. used      2019-06-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63114  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:37:59  

Additional Information
 Earth MOID = .868902 au 
 Jupiter MOID = 2.55131 au 
 T_jup = 3.503 
[ 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 17.7   n/a MPO440810  

437880 (2001 RJ22)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: Last Updated: 2015-07-06

Alternate Designations
 2001 RJ22 = 2012 QA34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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