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392551 (2011 SM44)
Classification: Main-belt Asteroid          SPK-ID: 2392551
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1565516018741928 6.2972e-08  
a 3.1930150753396 5.2918e-08 au
q 2.693143450486739 1.9438e-07 au
i 9.209327540906866 8.8692e-06 deg
node 186.6520290300833 4.4343e-05 deg
peri 278.9865595950699 5.5569e-05 deg
M 165.1272492844255 2.9802e-05 deg
tp 2458440.591934447403
(2018-Nov-18.09193445)
0.00017022 TDB
period 2084.010392531818
5.71
5.1808e-05
1.418e-07
d
yr
n .1727438602466104 4.2943e-09 deg/d
Q 3.692886700192461 6.1202e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      6697 days (18.34 yr)  
   first obs. used      2002-01-18  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58776  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:31:02  

Additional Information
 Earth MOID = 1.72953 au 
 Jupiter MOID = 1.56971 au 
 T_jup = 3.157 
[ 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 16.64   n/a E2021B25  

392551 (2011 SM44)          Discovered 2002-Jan-18 by ADAS at Cima Ekar
Reference: Last Updated: 2014-04-17

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