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(2018 AF2)
Classification: Outer Main-belt Asteroid          SPK-ID: 3797447
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5747363247562566 1.2841e-06  
a 3.282475886032755 1.1671e-05 au
q 1.395917759193252 1.507e-06 au
i 48.07041831384768 2.7696e-05 deg
node 80.71713788003896 2.0644e-05 deg
peri 113.7103483148797 0.00012717 deg
M 155.7320998415203 0.00081576 deg
tp 2458260.827792250634
(2018-May-22.32779225)
0.00014704 TDB
period 2172.204671573953
5.95
0.011585
3.172e-05
d
yr
n .1657302392868663 8.8392e-07 deg/d
Q 5.169034012872257 1.8379e-05 au
  Orbit Determination Parameters
   # obs. used (total)      49  
   data-arc span      251 days  
   first obs. used      2017-10-29  
   last obs. used      2018-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .49111  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:17:36  

Additional Information
 Earth MOID = .645379 au 
 Jupiter MOID = 1.74988 au 
 T_jup = 2.454 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.2   n/a E2018N29  
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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