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JPL Small-Body Database Browser
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441320 (2008 AF138)
Classification: Main-belt Asteroid          SPK-ID: 2441320
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .129556587478658 1.0521e-07  
a 2.759793655694996 8.0972e-08 au
q 2.402244207517902 3.1841e-07 au
i 14.05667354231255 1.125e-05 deg
node 140.9227327725056 4.4866e-05 deg
peri 293.9417752773016 7.1523e-05 deg
M 285.9148031675684 7.3294e-05 deg
tp 2459345.121432290536
(2021-May-10.62143229)
0.00035269 TDB
period 1674.608706314225
4.58
7.37e-05
2.018e-07
d
yr
n .2149755931893795 9.4611e-09 deg/d
Q 3.11734310387209 9.1463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      3740 days (10.24 yr)  
   first obs. used      2008-01-15  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55706  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:32:00  

Additional Information
 Earth MOID = 1.45633 au 
 Jupiter MOID = 2.1584 au 
 T_jup = 3.286 
[ 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 16.8   n/a MPO446750  

441320 (2008 AF138)          Discovered 2008-Jan-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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