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66679 (1999 TD29)
Classification: Main-belt Asteroid          SPK-ID: 2066679
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09696769092405781 3.4255e-08  
a 2.435902591175394 8.0045e-09 au
q 2.199698741593187 8.2288e-08 au
i 4.696498976517736 3.7829e-06 deg
node 200.6955890916001 4.5731e-05 deg
peri 270.1488318885456 5.0798e-05 deg
M 116.1935494815541 2.1037e-05 deg
tp 2458752.304160324340
(2019-Sep-25.80416032)
8.1185e-05 TDB
period 1388.635625670876
3.80
6.8447e-06
1.874e-08
d
yr
n .2592472736151193 1.2778e-09 deg/d
Q 2.672106440757601 8.7806e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1817  
   data-arc span      7584 days (20.76 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-06-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48399  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:24:10  

Additional Information
 Earth MOID = 1.22218 au 
 Jupiter MOID = 2.42228 au 
 T_jup = 3.494 
[ 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 14.54   n/a E2021B10  
diameter diameter 2.886 km 0.405 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.404   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66679 (1999 TD29)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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