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66761 (1999 TE187)
Classification: Main-belt Asteroid          SPK-ID: 2066761
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1305215138419043 3.5196e-08  
a 2.700040578032939 1.5733e-08 au
q 2.34762719435351 9.6984e-08 au
i 11.48488110175343 4.7419e-06 deg
node 265.1851261537138 2.2869e-05 deg
peri 217.8824286966833 3.0584e-05 deg
M 196.5792450379514 2.0482e-05 deg
tp 2459936.128548652377
(2022-Dec-22.62854865)
9.3295e-05 TDB
period 1620.518015452546
4.44
1.4164e-05
3.878e-08
d
yr
n .2221511865756496 1.9417e-09 deg/d
Q 3.052453961712369 1.7786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1032  
   data-arc span      7592 days (20.79 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49874  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:24:47  

Additional Information
 Earth MOID = 1.37468 au 
 Jupiter MOID = 2.11877 au 
 T_jup = 3.327 
[ 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 14.39   n/a E2021B10  
diameter diameter 3.518 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.71253 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.188   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66761 (1999 TE187)          Discovered 1999-Oct-12 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TE187 = 2001 BE72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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