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JPL Small-Body Database Browser
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344217 (2001 RJ57)
Classification: Main-belt Asteroid          SPK-ID: 2344217
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 .161539009883237 5.936e-08  
a 2.417695688274104 2.0785e-08 au
q 2.027143520591334 1.4959e-07 au
i 2.241865266494591 5.9505e-06 deg
node 69.09008204285183 0.00016111 deg
peri 320.8660202762102 0.00016258 deg
M 220.5723879324936 2.6511e-05 deg
tp 2459132.298575243090
(2020-Oct-09.79857524)
0.00010575 TDB
period 1373.095933069698
3.76
1.7707e-05
4.848e-08
d
yr
n .2621812440993709 3.381e-09 deg/d
Q 2.808247855956874 2.4143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      6501 days (17.80 yr)  
   first obs. used      2001-09-12  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59554  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:29:23  

Additional Information
 Earth MOID = 1.03238 au 
 Jupiter MOID = 2.62618 au 
 T_jup = 3.497 
[ 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 17.4   n/a MPO437458  

344217 (2001 RJ57)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2001 RJ57 = 2005 UB348 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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