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216358 (2008 AT17)
Classification: Main-belt Asteroid          SPK-ID: 2216358
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02853125830964619 5.0738e-08  
a 2.694026511196224 2.4056e-08 au
q 2.61716254491225 1.4047e-07 au
i 6.886887443531489 5.5885e-06 deg
node 138.0048342137056 4.4319e-05 deg
peri 260.3452248435764 0.00010826 deg
M 58.16852302095934 9.7343e-05 deg
tp 2458939.532298503190
(2020-Mar-31.03229850)
0.00043695 TDB
period 1615.106721980887
4.42
2.1633e-05
5.923e-08
d
yr
n .2228954874006525 2.9855e-09 deg/d
Q 2.770890477480199 2.4742e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      6141 days (16.81 yr)  
   first obs. used      2004-03-27  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54183  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:30  

Additional Information
 Earth MOID = 1.63127 au 
 Jupiter MOID = 2.33448 au 
 T_jup = 3.360 
[ 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 16.98   n/a MPCxxxxx  

216358 (2008 AT17)          Discovered 2008-Jan-10 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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