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109975 (2001 SM53)
Classification: Main-belt Asteroid          SPK-ID: 2109975
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0600530033959653 4.4586e-08  
a 2.537778285780931 1.4929e-08 au
q 2.385377077766722 1.1586e-07 au
i 8.929787419519737 4.7268e-06 deg
node 37.91057197008238 2.9367e-05 deg
peri 295.8364806397481 4.8785e-05 deg
M 262.038355002978 4.0356e-05 deg
tp 2459402.320889776464
(2021-Jul-06.82088978)
0.00016676 TDB
period 1476.654667486691
4.04
1.303e-05
3.567e-08
d
yr
n .2437943060937398 2.1512e-09 deg/d
Q 2.69017949379514 1.5825e-08 au
  Orbit Determination Parameters
   # obs. used (total)      542  
   data-arc span      6799 days (18.61 yr)  
   first obs. used      2001-09-16  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61956  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:11:10  

Additional Information
 Earth MOID = 1.3926 au 
 Jupiter MOID = 2.51148 au 
 T_jup = 3.428 
[ 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 15.8   n/a MPO432620  

109975 (2001 SM53)          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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