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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1443168138685697 4.0607e-08  
a 2.421476181136466 8.7284e-09 au
q 2.072016453816219 9.4981e-08 au
i 3.888330805329018 5.1382e-06 deg
node 8.101525785259604 5.2771e-05 deg
peri 144.8430675046641 5.5971e-05 deg
M 107.8369777830165 1.8124e-05 deg
tp 2458788.227908777864
(2019-Oct-31.72790878)
6.8613e-05 TDB
period 1376.317807594786
3.77
7.4416e-06
2.037e-08
d
yr
n .2615674940870858 1.4143e-09 deg/d
Q 2.770935908456713 9.9881e-09 au
  Orbit Determination Parameters
   # obs. used (total)      933  
   data-arc span      8519 days (23.32 yr)  
   first obs. used      1997-02-02  
   last obs. used      2020-05-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54745  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:24:42  

Additional Information
 Earth MOID = 1.0834 au 
 Jupiter MOID = 2.21895 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 15.68   n/a E2021B10  
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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