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277949 (2006 RE4)
Classification: Inner Main-belt Asteroid          SPK-ID: 2277949
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06661123987784442 4.3476e-08  
a 1.97677890467426 8.4694e-09 au
q 1.84510321086954 8.5777e-08 au
i 23.01032314605188 8.5146e-06 deg
node 175.2944382018667 9.3396e-06 deg
peri 70.42678723973468 8.3935e-05 deg
M 75.43354924149872 8.8015e-05 deg
tp 2458787.785245368755
(2019-Oct-31.28524537)		 0.00024757 TDB
period 1015.162516376999
2.78		 6.5241e-06
1.786e-08		 d
yr
n .3546230226119848 2.279e-09 deg/d
Q 2.108454598478979 9.0335e-09 au
   Orbit Determination Parameters
   # obs. used (total)      350  
   data-arc span      5185 days (14.20 yr)  
   first obs. used      2006-08-29  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55827  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:58:19  

Additional Information
 Earth MOID = .906498 au 
 Jupiter MOID = 2.92015 au 
 T_jup = 3.764 
[ 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 17.2   n/a MPO376868  

277949 (2006 RE4)          Discovered 2006-Sep-12 by CSS at Catalina
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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