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80457 (2000 AH9)
Classification: Main-belt Asteroid          SPK-ID: 2080457
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1729676273930399 4.5451e-08  
a 2.348543736013235 1.0263e-08 au
q 1.94232169816624 1.0657e-07 au
i 4.780686673484499 5.4047e-06 deg
node 323.4708324305905 6.1057e-05 deg
peri 178.60975243887 6.2862e-05 deg
M 208.9003392639507 1.6804e-05 deg
tp 2459552.269123069135
(2021-Dec-03.76912307)
6.324e-05 TDB
period 1314.608407042557
3.60
8.6169e-06
2.359e-08
d
yr
n .2738458069121004 1.795e-09 deg/d
Q 2.75476577386023 1.2038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      679  
   data-arc span      9263 days (25.36 yr)  
   first obs. used      1993-01-31  
   last obs. used      2018-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56539  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:46:37  

Additional Information
 Earth MOID = .95507 au 
 Jupiter MOID = 2.26549 au 
 T_jup = 3.534 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456382.5 (2013-Mar-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1721250554354968 4.5327e-08  
q 1.944585567173352 1.0619e-07 au
tp 2456921.413728842096
(2014-Sep-20.91372884)
5.6305e-05 TDB
node 323.5731520013197 6.1148e-05 deg
peri 178.4927731154867 6.2984e-05 deg
i 4.776572109031829 5.4002e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      679  
   data-arc span      9263 days (25.36 yr)  
   first obs. used      1993-01-31  
   last obs. used      2018-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56539  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:46:37  

Additional Information
 Jupiter MOID = 2.26549 au 
 T_jup = 3.534 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.054564767434352E-15 -4.79788570615078E-15 4.25396731268721E-13 -1.358439356377784E-14 1.451732720855259E-13 -9.567316200727746E-16
q -4.79788570615078E-15 1.127536035155584E-14 -8.560191460832897E-13 3.055050490512743E-14 -3.125930122331152E-13 2.346901965393616E-15
tp 4.25396731268721E-13 -8.560191460832897E-13 3.170255632577712E-9 1.033018341188094E-11 8.700464929344827E-10 9.038566010592521E-13
node -1.358439356377784E-14 3.055050490512743E-14 1.033018341188094E-11 3.739055374723093E-9 -3.722514529377353E-9 6.896894007923362E-11
peri 1.451732720855259E-13 -3.125930122331152E-13 8.700464929344827E-10 -3.722514529377353E-9 3.966938643283473E-9 -6.849758723375002E-11
i -9.567316200727746E-16 2.346901965393616E-15 9.038566010592521E-13 6.896894007923362E-11 -6.849758723375002E-11 2.916260599130033E-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 15.6   n/a MPO337863  

80457 (2000 AH9)          Discovered 2000-Jan-02 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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