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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5748911372407193 1.2836e-06  
a 3.282379717009877 1.1679e-05 au
q 1.395368708642198 1.5114e-06 au
i 48.07130663114694 2.7691e-05 deg
node 80.71011283061152 2.0637e-05 deg
peri 113.7231682084401 0.00012711 deg
M 122.5491191193313 0.00063926 deg
tp 2458261.083137552567
(2018-May-22.58313755)
0.00014706 TDB
period 2172.109211343047
5.95
0.011593
3.174e-05
d
yr
n .1657375228280565 8.8456e-07 deg/d
Q 5.169390725377555 1.8393e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .48792  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jul-16 03:19:26  

Additional Information
 Earth MOID = .645958 au 
 Jupiter MOID = 1.7506 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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