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301200 (2009 AH)
Classification: Main-belt Asteroid          SPK-ID: 2301200
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .120483369713727 6.3459e-08  
a 2.743362638153838 2.2747e-08 au
q 2.412833063162323 1.7175e-07 au
i 8.598661444512002 7.2473e-06 deg
node 286.6266731058327 3.2826e-05 deg
peri 182.9606980761782 4.0151e-05 deg
M 192.7381225548124 2.4461e-05 deg
tp 2459771.612463845524
(2022-Jul-11.11246385)
0.00011799 TDB
period 1659.675780426173
4.54
2.0642e-05
5.651e-08
d
yr
n .2169098351893518 2.6978e-09 deg/d
Q 3.073892213145352 2.5487e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      7483 days (20.49 yr)  
   first obs. used      2000-02-02  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55089  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 19:41:07  

Additional Information
 Earth MOID = 1.42961 au 
 Jupiter MOID = 2.05216 au 
 T_jup = 3.322 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457680.5 (2016-Oct-19.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1209076747739679 6.2808e-08  
q 2.409692556368176 1.7009e-07 au
tp 2458106.453844096330
(2017-Dec-18.95384410)
0.00010751 TDB
node 286.6813756795951 3.2903e-05 deg
peri 181.6983108161726 4.0252e-05 deg
i 8.589832005725121 7.2373e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      7483 days (20.49 yr)  
   first obs. used      2000-02-02  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55089  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 19:41:07  

Additional Information
 Jupiter MOID = 2.05216 au 
 T_jup = 3.322 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.944804666137878E-15 -1.061225431928001E-14 1.917425710045682E-12 -1.322677518256561E-14 4.508826210494258E-13 7.769430901014072E-16
q -1.061225431928001E-14 2.893117831389444E-14 -4.252042679345093E-12 3.430500958574933E-14 -1.039888901685626E-12 -2.092893195231013E-15
tp 1.917425710045682E-12 -4.252042679345093E-12 1.155876495282092E-8 -2.890617729153962E-11 2.508261052203113E-9 -1.012931718114575E-12
node -1.322677518256561E-14 3.430500958574933E-14 -2.890617729153962E-11 1.0826338131323E-9 -1.076445232345012E-9 5.298682216019844E-11
peri 4.508826210494258E-13 -1.039888901685626E-12 2.508261052203113E-9 -1.076445232345012E-9 1.62023986384142E-9 -5.260109334050508E-11
i 7.769430901014072E-16 -2.092893195231013E-15 -1.012931718114575E-12 5.298682216019844E-11 -5.260109334050508E-11 5.237784604093638E-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 MPO476332  

301200 (2009 AH)          Discovered 2009-Jan-01 by Lowe, A. at Mayhill
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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