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71438 (2000 AP213)
Classification: Main-belt Asteroid          SPK-ID: 2071438
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1692327114825558 5.5877e-08  
a 3.047024407022808 2.8133e-08 au
q 2.531368204668811 1.8036e-07 au
i 5.25144535476212 4.7259e-06 deg
node 105.5625257710335 6.368e-05 deg
peri 267.7842282000934 6.5209e-05 deg
M 20.64698040592221 1.4679e-05 deg
tp 2458889.079174639271
(2020-Feb-09.57917464)
7.873e-05 TDB
period 1942.729461706525
5.32
2.6905e-05
7.366e-08
d
yr
n .1853062956505381 2.5664e-09 deg/d
Q 3.562680609376804 3.2894e-08 au
  Orbit Determination Parameters
   # obs. used (total)      376  
   data-arc span      9062 days (24.81 yr)  
   first obs. used      1995-01-29  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5701  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:16:35  

Additional Information
 Earth MOID = 1.53881 au 
 Jupiter MOID = 1.92447 au 
 T_jup = 3.210 
[ 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 15.6   n/a MPO449451  

71438 (2000 AP213)          Discovered 2000-Jan-06 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 AP213 = 1995 CH9 = 1999 XQ262 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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