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109882 (2001 SM2)
Classification: Main-belt Asteroid          SPK-ID: 2109882
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07189019638763186 3.8431e-08  
a 2.798652410185366 1.7465e-08 au
q 2.597456738796421 1.1328e-07 au
i 2.429057174171102 4.4379e-06 deg
node 141.510412078098 0.00010655 deg
peri 301.5363395702136 0.00011397 deg
M 296.5461084193864 4.2809e-05 deg
tp 2459301.923863862338
(2021-Mar-28.42386386)
0.00020493 TDB
period 1710.101434087529
4.68
1.6008e-05
4.383e-08
d
yr
n .210513828492336 1.9706e-09 deg/d
Q 2.999848081574312 1.8721e-08 au
  Orbit Determination Parameters
   # obs. used (total)      705  
   data-arc span      6555 days (17.95 yr)  
   first obs. used      2001-09-16  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55791  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:11:40  

Additional Information
 Earth MOID = 1.6145 au 
 Jupiter MOID = 2.14792 au 
 T_jup = 3.321 
[ 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 15.3   n/a MPO417564  

109882 (2001 SM2)          Discovered 2001-Sep-17 by Yeung, W. K. Y. at Desert Eagle
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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