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452731 (2006 AP91)
Classification: Main-belt Asteroid          SPK-ID: 2452731
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03900506618659064 5.779e-08  
a 3.068927027681535 4.4981e-08 au
q 2.949223325845 1.5966e-07 au
i 10.27911295904404 7.0549e-06 deg
node 119.467881517561 3.2174e-05 deg
peri 96.90619659638423 9.6673e-05 deg
M 149.6531175826494 9.133e-05 deg
tp 2458184.177931116140
(2018-Mar-06.67793112)
0.00049741 TDB
period 1963.714151400086
5.38
4.3173e-05
1.182e-07
d
yr
n .1833260710288856 4.0305e-09 deg/d
Q 3.18863072951807 4.6735e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      5891 days (16.13 yr)  
   first obs. used      2003-07-08  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6809  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:57:18  

Additional Information
 Earth MOID = 1.96361 au 
 Jupiter MOID = 1.87165 au 
 T_jup = 3.206 
[ 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 16.0   n/a MPO450474  

452731 (2006 AP91)          Discovered 2006-Jan-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-01-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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