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442844 (2013 AP116)
Classification: Main-belt Asteroid          SPK-ID: 2442844
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2023839127192683 6.6111e-08  
a 2.351128975896936 1.6957e-08 au
q 1.875298294447267 1.5146e-07 au
i 6.577293761924325 8.0267e-06 deg
node 339.0804234221998 5.5869e-05 deg
peri 57.00367559347107 6.0932e-05 deg
M 86.43084816908328 1.9498e-05 deg
tp 2458684.360048898847
(2019-Jul-19.86004890)
7.1309e-05 TDB
period 1316.779654571591
3.61
1.4245e-05
3.9e-08
d
yr
n .27339426057363 2.9576e-09 deg/d
Q 2.826959657346604 2.0388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      8096 days (22.17 yr)  
   first obs. used      1997-11-03  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54566  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 11:45:53  

Additional Information
 Earth MOID = .891042 au 
 Jupiter MOID = 2.6439 au 
 T_jup = 3.521 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457092.5 (2015-Mar-11.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2020325688251238 6.6489e-08  
q 1.876277831861948 1.5241e-07 au
tp 2457365.105875631337
(2015-Dec-08.60587563)
7.3228e-05 TDB
node 339.2194669174033 5.5725e-05 deg
peri 56.38531324131103 6.0857e-05 deg
i 6.58672369150197 8.035e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      8096 days (22.17 yr)  
   first obs. used      1997-11-03  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54566  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 11:45:53  

Additional Information
 Jupiter MOID = 2.6439 au 
 T_jup = 3.521 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.420740192978382E-15 -1.009876256301381E-14 -1.837964444250613E-12 1.349084004686178E-14 -6.530787189171298E-13 -3.638577747625554E-15
q -1.009876256301381E-14 2.3229911440111E-14 4.136196579976383E-12 -3.107352605993685E-14 1.460556694833034E-12 7.939174714721958E-15
tp -1.837964444250613E-12 4.136196579976383E-12 5.362386054770434E-9 -3.190007509155232E-11 1.819407750262007E-9 -6.585311919168409E-12
node 1.349084004686178E-14 -3.107352605993685E-14 -3.190007509155232E-11 3.105293333271555E-9 -3.092441147949055E-9 2.297832319138135E-11
peri -6.530787189171298E-13 1.460556694833034E-12 1.819407750262007E-9 -3.092441147949055E-9 3.703578954624942E-9 -2.471084765520563E-11
i -3.638577747625554E-15 7.939174714721958E-15 -6.585311919168409E-12 2.297832319138135E-11 -2.471084765520563E-11 6.456182494593628E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO503572  

442844 (2013 AP116)          Discovered 2006-Jan-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2013 AP116 = 2006 BK56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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