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136290 (2004 AH6)
Classification: Main-belt Asteroid          SPK-ID: 2136290
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04864358296460778 4.6715e-08  
a 3.079923891719939 3.004e-08 au
q 2.930105358368382 1.4226e-07 au
i 11.02038832983769 5.0955e-06 deg
node 141.631466499916 2.6548e-05 deg
peri 46.67997491917188 5.7916e-05 deg
M 345.3516379776331 5.1616e-05 deg
tp 2459280.833181658727
(2021-Mar-07.33318166)		 0.00028323 TDB
period 1974.278445124664
5.41		 2.8884e-05
7.908e-08		 d
yr
n .1823450997446655 2.6677e-09 deg/d
Q 3.229742425071495 3.1501e-08 au
   Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      6695 days (18.33 yr)  
   first obs. used      2002-11-07  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55673  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:16:45  

Additional Information
 Earth MOID = 1.94527 au 
 Jupiter MOID = 1.77147 au 
 T_jup = 3.198 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457299.5 (2015-Oct-04.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05033118416593541 4.6619e-08  
q 2.925199674009986 1.4238e-07 au
tp 2457304.553338394520
(2015-Oct-09.05333839)		 0.0002715 TDB
node 141.6624766645667 2.6542e-05 deg
peri 46.29018447302452 5.6439e-05 deg
i 11.02142583841246 5.0962e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      6695 days (18.33 yr)  
   first obs. used      2002-11-07  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55673  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:16:45  

Additional Information
 Jupiter MOID = 1.77147 au 
 T_jup = 3.198 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.173371800879917E-15 -6.507438497979963E-15 4.126419109368421E-13 -3.376250580149687E-15 9.761567351356721E-14 9.712850466987638E-16
q -6.507438497979963E-15 2.027091318446032E-14 -8.521573206854171E-13 8.362079407180579E-15 -2.278874387146661E-13 -2.161160570204789E-15
tp 4.126419109368421E-13 -8.521573206854171E-13 7.371223653865051E-8 1.556375636323703E-11 1.355721003868435E-8 3.332113923110487E-12
node -3.376250580149687E-15 8.362079407180579E-15 1.556375636323703E-11 7.045031595023238E-10 -6.88461501692674E-10 5.59514613321887E-12
peri 9.761567351356721E-14 -2.278874387146661E-13 1.355721003868435E-8 -6.88461501692674E-10 3.185376989522079E-9 -4.895683967345825E-12
i 9.712850466987638E-16 -2.161160570204789E-15 3.332113923110487E-12 5.59514613321887E-12 -4.895683967345825E-12 2.597174997903889E-11

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.26   n/a E2021B55  
diameter diameter 2.859 km 0.228 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.197   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136290 (2004 AH6)          Discovered 2004-Jan-13 by NEAT at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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