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393845 (2005 SD147)
Classification: Main-belt Asteroid          SPK-ID: 2393845
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06727800076991099 9.4157e-08  
a 3.160480427433105 4.858e-08 au
q 2.947849622802972 3.251e-07 au
i 8.958725303156772 1.0316e-05 deg
node 194.9866367204018 3.9492e-05 deg
peri 141.6768043604352 7.5062e-05 deg
M 259.280886561722 6.23e-05 deg
tp 2459574.666008607736
(2021-Dec-26.16600861)
0.00035673 TDB
period 2052.239699522903
5.62
4.7318e-05
1.295e-07
d
yr
n .1754181054404568 4.0445e-09 deg/d
Q 3.373111232063238 5.1848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      6628 days (18.15 yr)  
   first obs. used      2002-03-05  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55569  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:27:21  

Additional Information
 Earth MOID = 1.94586 au 
 Jupiter MOID = 1.93269 au 
 T_jup = 3.183 
[ 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 16.1   n/a MPO392028  

393845 (2005 SD147)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15

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