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351343 (2005 AS21)
Classification: Main-belt Asteroid          SPK-ID: 2351343
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2336832510786665 1.2304e-07  
a 2.541106672323241 2.3221e-08 au
q 1.947292603797054 3.2407e-07 au
i 6.955314997019427 1.1586e-05 deg
node 104.490981841858 4.8287e-05 deg
peri 331.72005906929 5.063e-05 deg
M 312.5181976686567 1.5272e-05 deg
tp 2459195.645017229556
(2020-Dec-12.14501723)
6.3622e-05 TDB
period 1479.560647517075
4.05
2.0281e-05
5.553e-08
d
yr
n .2433154738226743 3.3352e-09 deg/d
Q 3.134920740849428 2.8647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      6756 days (18.50 yr)  
   first obs. used      2001-01-04  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57561  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:37:06  

Additional Information
 Earth MOID = .965879 au 
 Jupiter MOID = 2.14249 au 
 T_jup = 3.397 
[ 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 16.6   n/a MPO476632  

351343 (2005 AS21)          Discovered 2005-Jan-06 by CSS at Catalina
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

[ show close-approach data ]
Alternate Designations
 2005 AS21 = 2001 CA25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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