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JPL Small-Body Database Browser
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442833 (2013 AP87)
Classification: Main-belt Asteroid          SPK-ID: 2442833
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06207805670717247 5.6588e-08  
a 2.944453738870729 4.9491e-08 au
q 2.761667772697466 1.7902e-07 au
i 8.480683070163463 8.8442e-06 deg
node 310.6929158977683 4.0981e-05 deg
peri 286.9069620890463 8.1844e-05 deg
M 47.9120534832225 6.9556e-05 deg
tp 2458754.888999591903
(2019-Sep-28.38899959)
0.00035681 TDB
period 1845.463797077227
5.05
4.6528e-05
1.274e-07
d
yr
n .1950729136871467 4.9182e-09 deg/d
Q 3.127239705043992 5.2563e-08 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      5928 days (16.23 yr)  
   first obs. used      2003-02-01  
   last obs. used      2019-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65601  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:43:18  

Additional Information
 Earth MOID = 1.76428 au 
 Jupiter MOID = 1.97246 au 
 T_jup = 3.252 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO434645  

442833 (2013 AP87)          Discovered 2005-Jul-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2013 AP87 = 2005 NL79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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