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226161 (2002 SM50)
Classification: Main-belt Asteroid          SPK-ID: 2226161
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 .181076992796661 5.9152e-08  
a 2.272261289810539 1.0374e-08 au
q 1.860807048603384 1.3592e-07 au
i 6.832447397311658 5.5243e-06 deg
node 55.72753405731896 4.2997e-05 deg
peri 285.0587672259297 4.6409e-05 deg
M 82.9958726115548 1.4411e-05 deg
tp 2458712.070400850110
(2019-Aug-16.57040085)
5.0526e-05 TDB
period 1251.0821613978
3.43
8.5681e-06
2.346e-08
d
yr
n .2877508856794679 1.9707e-09 deg/d
Q 2.683715531017693 1.2253e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      6364 days (17.42 yr)  
   first obs. used      2002-08-25  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56109  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:50:58  

Additional Information
 Earth MOID = .867063 au 
 Jupiter MOID = 2.73223 au 
 T_jup = 3.581 
[ 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 17.0   n/a MPO437073  

226161 (2002 SM50)          Discovered 2002-Sep-30 by NEAT at Haleakala
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2002 SM50 = 2008 GM99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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