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66680 (1999 TG29)
Classification: Main-belt Asteroid          SPK-ID: 2066680
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1299314288667887 4.4049e-08  
a 2.758140056628117 1.5407e-08 au
q 2.399770978055701 1.2256e-07 au
i 11.43238494197984 5.6965e-06 deg
node 195.0839497786068 2.0154e-05 deg
peri 216.8227821039623 2.8367e-05 deg
M 190.8737627162988 2.2194e-05 deg
tp 2459986.515999564438
(2023-Feb-11.01599956)
0.00010638 TDB
period 1673.103856550276
4.58
1.4019e-05
3.838e-08
d
yr
n .2151689499672025 1.8029e-09 deg/d
Q 3.116509135200535 1.7409e-08 au
  Orbit Determination Parameters
   # obs. used (total)      975  
   data-arc span      9871 days (27.03 yr)  
   first obs. used      1993-05-20  
   last obs. used      2020-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54414  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:24:10  

Additional Information
 Earth MOID = 1.41839 au 
 Jupiter MOID = 2.32071 au 
 T_jup = 3.302 
[ 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 14.57   n/a E2021B10  
diameter diameter 8.250 km 0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.030   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66680 (1999 TG29)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TG29 = 2001 BE57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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