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JPL Small-Body Database Browser
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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2021669320067156 4.2835e-08  
a 2.371841550121263 1.1342e-08 au
q 1.892333620727195 1.0459e-07 au
i 1.620587600955941 4.9227e-06 deg
node 280.5737912134561 0.000248 deg
peri 352.2160433892499 0.0002486 deg
M 75.3803276203414 1.8556e-05 deg
tp 2458721.128270768552
(2019-Aug-25.62827077)
6.8271e-05 TDB
period 1334.218432027368
3.65
9.5699e-06
2.62e-08
d
yr
n .2698208864143586 1.9353e-09 deg/d
Q 2.851349479515331 1.3634e-08 au
  Orbit Determination Parameters
   # obs. used (total)      525  
   data-arc span      9005 days (24.65 yr)  
   first obs. used      1994-09-12  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61401  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:50:01  

Additional Information
 Earth MOID = .876062 au 
 Jupiter MOID = 2.26163 au 
 T_jup = 3.516 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456378.5 (2013-Mar-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2029289155876152 4.298e-08  
q 1.890156320578434 1.0502e-07 au
tp 2456049.850852023917
(2012-May-02.35085202)
6.5679e-05 TDB
node 280.6698414163142 0.00024768 deg
peri 351.7479949672988 0.00024828 deg
i 1.622045199786611 4.922e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      525  
   data-arc span      9005 days (24.65 yr)  
   first obs. used      1994-09-12  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61401  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:50:01  

Additional Information
 Jupiter MOID = 2.26163 au 
 T_jup = 3.516 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.847293596997087E-15 -4.498547465157526E-15 3.22336183290602E-13 -3.662625799503584E-15 7.840133728962063E-14 -3.227948760079712E-16
q -4.498547465157526E-15 1.102948553044541E-14 -7.815554213567419E-13 8.872363776017484E-15 -1.87110965614646E-13 8.665588760527932E-16
tp 3.22336183290602E-13 -7.815554213567419E-13 4.313676919726713E-9 -6.863233394701809E-12 1.185886347991281E-9 -7.841729309133409E-13
node -3.662625799503584E-15 8.872363776017484E-15 -6.863233394701809E-12 6.134776866239524E-8 -6.132486394448461E-8 2.699099477317235E-10
peri 7.840133728962063E-14 -1.87110965614646E-13 1.185886347991281E-9 -6.132486394448461E-8 6.164057930098592E-8 -2.700016858455402E-10
i -3.227948760079712E-16 8.665588760527932E-16 -7.841729309133409E-13 2.699099477317235E-10 -2.700016858455402E-10 2.422564370607864E-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 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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