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216371 (2008 AB118)
Classification: Main-belt Asteroid          SPK-ID: 2216371
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04791790865840651 7.0522e-08  
a 2.798967705108076 1.902e-08 au
q 2.664847026276878 1.9635e-07 au
i 6.068690738553352 6.6996e-06 deg
node 166.5639463589982 5.9176e-05 deg
peri 229.3554063909207 8.4498e-05 deg
M 15.90547425527927 5.7619e-05 deg
tp 2459124.931747309504
(2020-Oct-02.43174731)
0.00027387 TDB
period 1710.390431115185
4.68
1.7434e-05
4.773e-08
d
yr
n .2104782589114919 2.1455e-09 deg/d
Q 2.933088383939275 1.9932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      7967 days (21.81 yr)  
   first obs. used      1999-03-21  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54916  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:32  

Additional Information
 Earth MOID = 1.67349 au 
 Jupiter MOID = 2.26938 au 
 T_jup = 3.316 
[ 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 16.66   n/a MPCxxxxx  

216371 (2008 AB118)          Discovered 2008-Jan-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2008 AB118 = 1999 FW89 = 2005 ND61 = 2006 WL84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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