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305626 (2009 AH41)
Classification: Main-belt Asteroid          SPK-ID: 2305626
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06859505588050863 4.0016e-08  
a 2.281971271356125 1.1831e-08 au
q 2.125439324479736 8.8427e-08 au
i 3.229846906121458 4.5173e-06 deg
node 1.645808826847989 7.7182e-05 deg
peri 117.0363214318411 8.6496e-05 deg
M 110.4797020509728 3.8949e-05 deg
tp 2458614.094161964941
(2019-May-10.59416196)
0.00013508 TDB
period 1259.110036596955
3.45
9.7917e-06
2.681e-08
d
yr
n .2859162341148402 2.2235e-09 deg/d
Q 2.438503218232514 1.2642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      7743 days (21.20 yr)  
   first obs. used      1999-04-12  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62421  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:11:19  

Additional Information
 Earth MOID = 1.14368 au 
 Jupiter MOID = 2.59532 au 
 T_jup = 3.599 
[ 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 17.8   n/a MPO471209  

305626 (2009 AH41)          Discovered 2009-Jan-15 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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