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437948 (2002 RJ256)
Classification: Main-belt Asteroid          SPK-ID: 2437948
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2370800177799324 1.2377e-07  
a 2.67739105701466 3.039e-08 au
q 2.042635137613793 3.484e-07 au
i 6.002438976528921 1.0547e-05 deg
node 281.6328430655988 5.3897e-05 deg
peri 37.60721625405981 5.9262e-05 deg
M 27.36495609178053 2.1356e-05 deg
tp 2458878.865046237802
(2020-Jan-30.36504624)
9.3637e-05 TDB
period 1600.170057190178
4.38
2.7244e-05
7.459e-08
d
yr
n .2249760882491094 3.8304e-09 deg/d
Q 3.312146976415528 3.7595e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      6217 days (17.02 yr)  
   first obs. used      2002-07-21  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63291  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:38:03  

Additional Information
 Earth MOID = 1.03327 au 
 Jupiter MOID = 2.01896 au 
 T_jup = 3.330 
[ 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 17.3   n/a MPO477054  

437948 (2002 RJ256)          Discovered 2002-Sep-13 by NEAT at Palomar
Reference: Last Updated: 2015-07-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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