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80644 (2000 AP223)
Classification: Main-belt Asteroid          SPK-ID: 2080644
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2021669319197506 3.8099e-08  
a 2.37184155307912 8.5861e-09 au
q 1.892333623293338 9.2746e-08 au
i 1.620587989184249 4.0332e-06 deg
node 280.5738799183923 0.00017977 deg
peri 352.21596927436 0.00018016 deg
M 75.38031577985743 1.2375e-05 deg
tp 2458721.128314128713
(2019-Aug-25.62831413)
4.5627e-05 TDB
period 1334.218434523167
3.65
7.2448e-06
1.984e-08
d
yr
n .2698208859096295 1.4651e-09 deg/d
Q 2.851349482864901 1.0322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      664  
   data-arc span      9541 days (26.12 yr)  
   first obs. used      1994-09-12  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59245  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:18:38  

Additional Information
 Earth MOID = .876062 au 
 Jupiter MOID = 2.26163 au 
 T_jup = 3.516 
[ 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 16.2   n/a MPO474697  

80644 (2000 AP223)          Discovered 2000-Jan-09 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 2000 AP223 = 1994 RF8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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