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JPL Small-Body Database Browser
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66762 (1999 TU187)
Classification: Main-belt Asteroid          SPK-ID: 2066762
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2971542476079137 5.0565e-08  
a 2.785191260284924 2.1314e-08 au
q 1.957559846890821 1.4171e-07 au
i 14.98099455534356 6.4175e-06 deg
node 341.0693455043194 1.7527e-05 deg
peri 300.6397492027854 1.9469e-05 deg
M 231.3130333940441 8.8942e-06 deg
tp 2459607.394253838680
(2022-Jan-27.89425384)
4.4588e-05 TDB
period 1697.778237721029
4.65
1.9489e-05
5.336e-08
d
yr
n .2120418273727182 2.434e-09 deg/d
Q 3.612822673679028 2.7648e-08 au
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      8280 days (22.67 yr)  
   first obs. used      1997-03-03  
   last obs. used      2019-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52393  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 05:52:15  

Additional Information
 Earth MOID = .988156 au 
 Jupiter MOID = 1.84532 au 
 T_jup = 3.218 
[ 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 14.2   n/a MPO270438  
diameter diameter 8.552 km 0.287 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66762 (1999 TU187)          Discovered 1999-Oct-12 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TU187 = 2002 CH8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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