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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1299228358093308 4.424e-08  
a 2.758221884831255 1.5604e-08 au
q 2.399865875762621 1.2324e-07 au
i 11.43223784124535 5.7468e-06 deg
node 195.0842944060242 2.0164e-05 deg
peri 216.8818408570226 2.8553e-05 deg
M 147.7652602032473 2.2383e-05 deg
tp 2458313.728808801819
(2018-Jul-14.22880880)
0.00010148 TDB
period 1673.178313300948
4.58
1.4199e-05
3.887e-08
d
yr
n .2151593749083265 1.8259e-09 deg/d
Q 3.116577893899889 1.7632e-08 au
  Orbit Determination Parameters
   # obs. used (total)      960  
   data-arc span      9871 days (27.03 yr)  
   first obs. used      1993-05-20  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54704  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:15:03  

Additional Information
 Earth MOID = 1.41945 au 
 Jupiter MOID = 2.31962 au 
 T_jup = 3.302 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456865.5 (2014-Jul-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .128778404545391 4.4061e-08  
q 2.40547355035533 1.2247e-07 au
tp 2456643.037537042955
(2013-Dec-16.53753704)
9.7758e-05 TDB
node 195.1581367799846 2.0195e-05 deg
peri 217.6986940866498 2.8724e-05 deg
i 11.41808987662129 5.7411e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      960  
   data-arc span      9871 days (27.03 yr)  
   first obs. used      1993-05-20  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54704  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:15:03  

Additional Information
 Jupiter MOID = 2.31962 au 
 T_jup = 3.302 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.94135172361874E-15 -5.363421551222665E-15 -1.109972208409137E-12 -9.014866212887165E-16 -2.727871459725769E-13 1.198599954783795E-15
q -5.363421551222665E-15 1.499965023635822E-14 3.388879280935768E-12 2.01905610933823E-15 8.232508455142578E-13 -3.20875961248917E-15
tp -1.109972208409137E-12 3.388879280935768E-12 9.556539919294284E-9 -7.261711066470549E-12 2.008084980106341E-9 -5.846430810582001E-12
node -9.014866212887165E-16 2.01905610933823E-15 -7.261711066470549E-12 4.078417461960537E-10 -4.008477253460153E-10 -8.666767968692666E-12
peri -2.727871459725769E-13 8.232508455142578E-13 2.008084980106341E-9 -4.008477253460153E-10 8.25066909094542E-10 7.337178465235958E-12
i 1.198599954783795E-15 -3.20875961248917E-15 -5.846430810582001E-12 -8.666767968692666E-12 7.337178465235958E-12 3.296025504087848E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO324885  
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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