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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2132115017493346 8.9083e-08  
a 2.381831944249989 2.4653e-08 au
q 1.873997978501911 2.0148e-07 au
i 3.846729262256504 8.441e-06 deg
node 342.3257690417908 0.00012139 deg
peri 14.3048756195028 0.00012366 deg
M 25.17996830272072 2.5555e-05 deg
tp 2458906.588715990777
(2020-Feb-27.08871599)
9.4252e-05 TDB
period 1342.657061234961
3.68
2.0846e-05
5.707e-08
d
yr
n .268125056199292 4.1628e-09 deg/d
Q 2.889665909998066 2.9909e-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 = .869929 au 
 Jupiter MOID = 2.55736 au 
 T_jup = 3.504 
[ 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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