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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1204833655477537 6.5993e-08  
a 2.743362642451301 2.4684e-08 au
q 2.41283307837079 1.7663e-07 au
i 8.598663108998283 7.4857e-06 deg
node 286.6266575190521 4.0274e-05 deg
peri 182.9607022383977 4.9556e-05 deg
M 192.7381278326799 2.7439e-05 deg
tp 2459771.612441325359
(2022-Jul-11.11244133)
0.00012946 TDB
period 1659.675784325984
4.54
2.24e-05
6.133e-08
d
yr
n .2169098346796695 2.9275e-09 deg/d
Q 3.073892206531813 2.7658e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      7053 days (19.31 yr)  
   first obs. used      2000-02-02  
   last obs. used      2019-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56177  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:50:10  

Additional Information
 Earth MOID = 1.42961 au 
 Jupiter MOID = 2.05216 au 
 T_jup = 3.322 
[ 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 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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