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216357 (2008 AB13)
Classification: Main-belt Asteroid          SPK-ID: 2216357
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04299792553926132 3.8269e-08  
a 2.604483419874885 2.1405e-08 au
q 2.492496035718864 1.0682e-07 au
i 11.692877492307 4.7189e-06 deg
node 134.1920433955261 2.2367e-05 deg
peri 118.4732634037007 6.903e-05 deg
M 257.1659051134667 6.7307e-05 deg
tp 2459639.046300360085
(2022-Feb-28.54630036)
0.00028948 TDB
period 1535.256067589556
4.20
1.8927e-05
5.182e-08
d
yr
n .2344885700827886 2.8908e-09 deg/d
Q 2.716470804030906 2.2326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      8680 days (23.76 yr)  
   first obs. used      1997-06-30  
   last obs. used      2021-04-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52014  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:41:39  

Additional Information
 Earth MOID = 1.49604 au 
 Jupiter MOID = 2.36091 au 
 T_jup = 3.382 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.49   n/a E2021B55  

216357 (2008 AB13)          Discovered 2008-Jan-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2008 AB13 = 1997 MJ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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