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JPL Small-Body Database Browser
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245126 (2004 RJ57)
Classification: Main-belt Asteroid          SPK-ID: 2245126
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1072564404205305 5.111e-08  
a 2.222842432291732 1.55e-08 au
q 1.984428265388406 1.124e-07 au
i 6.940932607247306 6.603e-06 deg
node 192.0283035493636 3.4654e-05 deg
peri 207.6178925225919 4.5009e-05 deg
M 225.10523994058 2.8585e-05 deg
tp 2459454.080132847164
(2021-Aug-27.58013285)
9.7701e-05 TDB
period 1210.490665115916
3.31
1.2661e-05
3.466e-08
d
yr
n .2974000629451584 3.1106e-09 deg/d
Q 2.461256599195057 1.7162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      6271 days (17.17 yr)  
   first obs. used      2001-12-11  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63806  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:49:16  

Additional Information
 Earth MOID = .994039 au 
 Jupiter MOID = 2.90792 au 
 T_jup = 3.631 
[ 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 17.4   n/a MPO422952  

245126 (2004 RJ57)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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