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362644 (2011 SA202)
Classification: Main-belt Asteroid          SPK-ID: 2362644
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330030763885609 4.9166e-08  
a 2.238360934389911 1.2238e-08 au
q 1.940652044048079 1.0915e-07 au
i 5.639928122094996 4.7294e-06 deg
node 207.0697520121844 4.9143e-05 deg
peri 223.0776396540979 5.2519e-05 deg
M 217.0774755579834 1.8069e-05 deg
tp 2459686.114651076998
(2022-Apr-16.61465108)
6.2845e-05 TDB
period 1223.18910241922
3.35
1.0032e-05
2.747e-08
d
yr
n .2943126285935616 2.4138e-09 deg/d
Q 2.536069824731744 1.3866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      10485 days (28.71 yr)  
   first obs. used      1991-10-10  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57474  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:40:15  

Additional Information
 Earth MOID = .958314 au 
 Jupiter MOID = 2.73406 au 
 T_jup = 3.618 
[ 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 17.97   n/a E2021B25  

362644 (2011 SA202)          Discovered 2006-Feb-04 by Yeung, W. K. Y. at 7300
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Alternate Designations
 2011 SA202 = 2006 CR9 = 2009 AC1 = 2011 SB144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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