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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .115759481272892 7.8858e-08  
a 3.151038712912528 4.4788e-08 au
q 2.786276106034973 2.6664e-07 au
i 21.29714460261668 1.0091e-05 deg
node 316.9061739015033 1.5592e-05 deg
peri 110.0804284986556 5.0525e-05 deg
M 13.85607305796585 4.3789e-05 deg
tp 2458521.864853736210
(2019-Feb-07.36485374)
0.00024837 TDB
period 2043.050187202187
5.59
4.3559e-05
1.193e-07
d
yr
n .1762071251382202 3.7568e-09 deg/d
Q 3.515801319790083 4.9973e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      6364 days (17.42 yr)  
   first obs. used      2001-08-23  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56238  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:55:29  

Additional Information
 Earth MOID = 1.87906 au 
 Jupiter MOID = 1.80296 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-January); 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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