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136081 (2003 AH57)
Classification: Main-belt Asteroid          SPK-ID: 2136081
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1157667972651837 4.2515e-08  
a 3.150172973527294 3.476e-08 au
q 2.785487537550699 1.2745e-07 au
i 21.30092691295382 9.7505e-06 deg
node 316.903936789432 1.1634e-05 deg
peri 109.9122581851679 4.5421e-05 deg
M 84.50215934858902 4.2819e-05 deg
tp 2458521.136089125164
(2019-Feb-06.63608913)
0.0002404 TDB
period 2042.208261247499
5.59
3.3801e-05
9.254e-08
d
yr
n .1762797687343069 2.9177e-09 deg/d
Q 3.514858409503889 3.8784e-08 au
  Orbit Determination Parameters
   # obs. used (total)      584  
   data-arc span      6818 days (18.67 yr)  
   first obs. used      2001-08-23  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52868  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:36:06  

Additional Information
 Earth MOID = 1.87856 au 
 Jupiter MOID = 1.80365 au 
 T_jup = 3.092 
[ show covariance matrix ]

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 14.5   n/a MPO426847  
diameter diameter 6.237 km 0.409 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 16.239 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.064   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136081 (2003 AH57)          Discovered 2003-Jan-05 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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