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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1683186235291644 5.8821e-08  
a 2.23919556466609 1.0434e-08 au
q 1.862297249408884 1.3416e-07 au
i 3.800897275843724 6.2542e-06 deg
node 205.6561701317381 6.2174e-05 deg
peri 184.1381702714164 6.3497e-05 deg
M 266.2996039525196 1.3586e-05 deg
tp 2459319.048372436346
(2021-Apr-14.54837244)		 4.6998e-05 TDB
period 1223.873312328099
3.35		 8.5541e-06
2.342e-08		 d
yr
n .2941480922687938 2.0559e-09 deg/d
Q 2.616093879923296 1.219e-08 au
   Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      7863 days (21.53 yr)  
   first obs. used      1997-09-30  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57694  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:32:58  

Additional Information
 Earth MOID = .867479 au 
 Jupiter MOID = 2.82007 au 
 T_jup = 3.614 
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[ 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 MPO437021  

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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