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212337 (2005 SD273)
Classification: Outer Main-belt Asteroid          SPK-ID: 2212337
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1571898355110531 8.678e-08  
a 3.984351770861092 1.0876e-07 au
q 3.358052171381264 4.0135e-07 au
i .8610785360915386 7.3226e-06 deg
node 39.12114349321011 0.00055438 deg
peri 253.6221066867006 0.00055525 deg
M 32.04040565443405 3.9989e-05 deg
tp 2458741.958393087544
(2019-Sep-15.45839309)
0.00031599 TDB
period 2904.925096527413
7.95
0.00011894
3.256e-07
d
yr
n .1239274638889481 5.0741e-09 deg/d
Q 4.61065137034092 1.2585e-07 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      5903 days (16.16 yr)  
   first obs. used      2002-03-16  
   last obs. used      2018-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61405  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:50:25  

Additional Information
 Earth MOID = 2.34205 au 
 Jupiter MOID = .595545 au 
 T_jup = 3.034 
[ 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 14.8   n/a MPO440125  

212337 (2005 SD273)          Discovered 2005-Sep-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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