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212726 (2007 RD145)
Classification: Main-belt Asteroid          SPK-ID: 2212726
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1683186187006008 5.6941e-08  
a 2.239195560265081 1.0362e-08 au
q 1.862297256560745 1.3029e-07 au
i 3.800905596103487 5.9254e-06 deg
node 205.656188374265 6.1455e-05 deg
peri 184.1381537350239 6.2751e-05 deg
M 266.2996078336639 1.3458e-05 deg
tp 2459319.048358302689
(2021-Apr-14.54835830)		 4.6608e-05 TDB
period 1223.873308719921
3.35		 8.4952e-06
2.326e-08		 d
yr
n .2941480931359902 2.0417e-09 deg/d
Q 2.616093863969418 1.2106e-08 au
   Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      8295 days (22.71 yr)  
   first obs. used      1997-09-30  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56891  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:59:08  

Additional Information
 Earth MOID = .867479 au 
 Jupiter MOID = 2.82007 au 
 T_jup = 3.614 
[ 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 17.36   n/a E2021B55  

212726 (2007 RD145)          Discovered 2007-Sep-14 by LINEAR at Socorro
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2007 RD145 = 1997 SM25 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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