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442857 (2013 AF135)
Classification: Main-belt Asteroid          SPK-ID: 2442857
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2271850570061531 5.7089e-08  
a 2.486551105330793 1.8567e-08 au
q 1.921643850717504 1.4517e-07 au
i 2.276282080454656 6.4207e-06 deg
node 200.2869981930383 0.00034744 deg
peri 186.4503135959829 0.00034935 deg
M 28.59350747926144 3.689e-05 deg
tp 2458886.747894841058
(2020-Feb-07.24789484)
0.00014666 TDB
period 1432.16979892796
3.92
1.6041e-05
4.392e-08
d
yr
n .2513668423042262 2.8154e-09 deg/d
Q 3.051458359944083 2.2785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      9777 days (26.77 yr)  
   first obs. used      1992-11-26  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51078  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:44:03  

Additional Information
 Earth MOID = .92609 au 
 Jupiter MOID = 2.39956 au 
 T_jup = 3.438 
[ 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 17.4   n/a MPO495194  

442857 (2013 AF135)          Discovered 2009-Jan-18 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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