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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06883944494397191 5.2809e-08  
a 2.282132293512814 1.3107e-08 au
q 2.125031573138679 1.2188e-07 au
i 3.229724749247354 5.5745e-06 deg
node 1.650401395946807 8.9059e-05 deg
peri 117.013404315457 0.00010318 deg
M 356.1142633862845 4.781e-05 deg
tp 2458614.091910635518
(2019-May-10.59191064)
0.00016724 TDB
period 1259.243308338361
3.45
1.0848e-05
2.97e-08
d
yr
n .2858859742324455 2.4628e-09 deg/d
Q 2.43923301388695 1.4009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      7185 days (19.67 yr)  
   first obs. used      1999-04-12  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66125  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:55:37  

Additional Information
 Earth MOID = 1.14361 au 
 Jupiter MOID = 2.59636 au 
 T_jup = 3.599 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456815.5 (2014-Jun-07.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06846349933398793 5.3189e-08  
q 2.12610003138713 1.2275e-07 au
tp 2457356.312488043756
(2015-Nov-29.81248804)
0.00016766 TDB
node 1.666253308211168 8.9029e-05 deg
peri 117.4143075684932 0.00010317 deg
i 3.230794567209142 5.5751e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      7185 days (19.67 yr)  
   first obs. used      1999-04-12  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66125  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:55:37  

Additional Information
 Jupiter MOID = 2.59636 au 
 T_jup = 3.599 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.82901847595458E-15 -6.496863267858396E-15 3.875656290214582E-12 -2.344528748750506E-14 1.246924841642887E-12 -3.917217474797064E-15
q -6.496863267858396E-15 1.506818871345442E-14 -8.955974276531503E-12 5.252115839370724E-14 -2.895310056786914E-12 9.382984509041876E-15
tp 3.875656290214582E-12 -8.955974276531503E-12 2.81114106619316E-8 -1.048911500810897E-10 8.758793533068938E-9 -9.628560910875225E-13
node -2.344528748750506E-14 5.252115839370724E-14 -1.048911500810897E-10 7.926231267380421E-9 -7.945234688072834E-9 -1.258012652675628E-10
peri 1.246924841642887E-12 -2.895310056786914E-12 8.758793533068938E-9 -7.945234688072834E-9 1.064375217990566E-8 1.252206445254339E-10
i -3.917217474797064E-15 9.382984509041876E-15 -9.628560910875225E-13 -1.258012652675628E-10 1.252206445254339E-10 3.108138881380262E-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 17.9   n/a MPO310868  

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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