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JPL Small-Body Database Browser
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442820 (2013 AF61)
Classification: Main-belt Asteroid          SPK-ID: 2442820
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1409297342970907 5.2321e-08  
a 2.441534742860117 2.4903e-08 au
q 2.097449900271725 1.3199e-07 au
i 12.55458768446238 7.495e-06 deg
node 283.2359887434145 3.7702e-05 deg
peri 130.4619746911229 5.4369e-05 deg
M 279.730113713078 3.6958e-05 deg
tp 2458911.201204437940
(2020-Mar-02.70120444)
0.00014233 TDB
period 1393.45449173611
3.82
2.1319e-05
5.837e-08
d
yr
n .2583507406484978 3.9527e-09 deg/d
Q 2.785619585448509 2.8413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      5474 days (14.99 yr)  
   first obs. used      2004-11-02  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51387  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:02:17  

Additional Information
 Earth MOID = 1.13219 au 
 Jupiter MOID = 2.55093 au 
 T_jup = 3.455 
[ 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 MPO297929  

442820 (2013 AF61)          Discovered 2012-Nov-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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