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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1810685326319607 6.2892e-08  
a 2.27217286269437 1.0699e-08 au
q 1.860753856560139 1.4493e-07 au
i 6.832897795157111 5.5801e-06 deg
node 55.72897551241957 4.5928e-05 deg
peri 284.9897362457724 4.9405e-05 deg
M 327.9428411954675 1.4852e-05 deg
tp 2458711.899439994004
(2019-Aug-16.39943999)
5.1419e-05 TDB
period 1251.009131606861
3.43
8.8362e-06
2.419e-08
d
yr
n .2877676836280142 2.0326e-09 deg/d
Q 2.683591868828601 1.2637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      6276 days (17.18 yr)  
   first obs. used      2002-08-25  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .571  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:50:05  

Additional Information
 Earth MOID = .866123 au 
 Jupiter MOID = 2.72891 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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