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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2021669221555996 4.1597e-08  
a 2.371841555988401 9.7256e-09 au
q 1.892333648773478 1.0233e-07 au
i 1.620586808822392 4.2947e-06 deg
node 280.5738542787477 0.00018544 deg
peri 352.2159897856571 0.00018597 deg
M 75.38031860841436 1.3044e-05 deg
tp 2458721.128303131609
(2019-Aug-25.62830313)
4.838e-05 TDB
period 1334.218436977979
3.65
8.2063e-06
2.247e-08
d
yr
n .2698208854131894 1.6596e-09 deg/d
Q 2.851349463203324 1.1692e-08 au
  Orbit Determination Parameters
   # obs. used (total)      633  
   data-arc span      9084 days (24.87 yr)  
   first obs. used      1994-09-12  
   last obs. used      2019-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60143  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 19:01:59  

Additional Information
 Earth MOID = .876062 au 
 Jupiter MOID = 2.26163 au 
 T_jup = 3.516 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456828.5 (2014-Jun-20.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2018130927504663 4.1679e-08  
q 1.894784367729221 1.0254e-07 au
tp 2457385.984799415979
(2015-Dec-29.48479942)
4.9664e-05 TDB
node 280.6632191380653 0.00018522 deg
peri 351.9932097587624 0.00018575 deg
i 1.621367568661653 4.296e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      633  
   data-arc span      9084 days (24.87 yr)  
   first obs. used      1994-09-12  
   last obs. used      2019-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60143  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 19:01:59  

Additional Information
 Jupiter MOID = 2.26163 au 
 T_jup = 3.516 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.737120099413369E-15 -4.264036316442132E-15 -2.212527415543914E-13 -2.09100465045425E-14 6.900048708081342E-16 -6.282121171706032E-16
q -4.264036316442132E-15 1.051490006951023E-14 4.568209498218342E-13 5.179603786766809E-14 -3.250606141321854E-14 1.597089739952826E-15
tp -2.212527415543914E-13 4.568209498218342E-13 2.466491166785733E-9 3.511542682913348E-11 7.170257077695665E-10 8.062988900271248E-14
node -2.09100465045425E-14 5.179603786766809E-14 3.511542682913348E-11 3.430815865201281E-8 -3.42851104589898E-8 -9.933253730625349E-11
peri 6.900048708081342E-16 -3.250606141321854E-14 7.170257077695665E-10 -3.42851104589898E-8 3.450429434432704E-8 9.929668284682472E-11
i -6.282121171706032E-16 1.597089739952826E-15 8.062988900271248E-14 -9.933253730625349E-11 9.929668284682472E-11 1.84559965489924E-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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