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109947 (2001 SM44)
Classification: Main-belt Asteroid          SPK-ID: 2109947
[ 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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2058372250792494 5.5554e-08  
a 2.44841242031801 9.5263e-09 au
q 1.944438001870182 1.3905e-07 au
i 3.709711105447411 6.1158e-06 deg
node 117.4803092406175 7.0629e-05 deg
peri 229.4511428619396 7.162e-05 deg
M 328.2519696880788 1.1105e-05 deg
tp 2459123.906937043570
(2020-Oct-01.40693704)		 4.3299e-05 TDB
period 1399.346570454902
3.83		 8.1669e-06
2.236e-08		 d
yr
n .2572629308570575 1.5014e-09 deg/d
Q 2.952386838765838 1.1487e-08 au
   Orbit Determination Parameters
   # obs. used (total)      448  
   data-arc span      9874 days (27.03 yr)  
   first obs. used      1993-07-19  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56396  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:35:01  

Additional Information
 Earth MOID = .939839 au 
 Jupiter MOID = 2.46745 au 
 T_jup = 3.465 
[ 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 16.0   n/a MPO469126  

109947 (2001 SM44)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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