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66746 (1999 TW136)
Classification: Main-belt Asteroid          SPK-ID: 2066746
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1443994208887756 5.7582e-08  
a 2.420637632300343 1.0972e-08 au
q 2.071098960014597 1.412e-07 au
i 3.888649898147602 5.5552e-06 deg
node 8.114936630519061 7.163e-05 deg
peri 144.6865324018262 7.4193e-05 deg
M 55.64632151876816 1.9157e-05 deg
tp 2458787.868766818233
(2019-Oct-31.36876682)
7.2617e-05 TDB
period 1375.602948338974
3.77
9.3532e-06
2.561e-08
d
yr
n .2617034228043028 1.7794e-09 deg/d
Q 2.77017630458609 1.2557e-08 au
  Orbit Determination Parameters
   # obs. used (total)      721  
   data-arc span      8014 days (21.94 yr)  
   first obs. used      1997-02-02  
   last obs. used      2019-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5804  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:26:33  

Additional Information
 Earth MOID = 1.08273 au 
 Jupiter MOID = 2.22083 au 
 T_jup = 3.496 
[ 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 15.6   n/a MPO266241  
diameter diameter 2.886 km 1.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.134   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66746 (1999 TW136)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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