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70461 (1999 TG27)
Classification: Main-belt Asteroid          SPK-ID: 2070461
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1619819054299554 3.8509e-08  
a 2.670013644717203 1.4073e-08 au
q 2.23751974702193 1.0692e-07 au
i 10.12613851294638 4.3671e-06 deg
node 30.1729011076425 2.5375e-05 deg
peri 9.227807456783292 2.9985e-05 deg
M 261.210007699717 1.7552e-05 deg
tp 2459437.799618874780
(2021-Aug-11.29961887)
7.9874e-05 TDB
period 1593.560836773847
4.36
1.2599e-05
3.449e-08
d
yr
n .2259091662473443 1.7861e-09 deg/d
Q 3.102507542412475 1.6353e-08 au
  Orbit Determination Parameters
   # obs. used (total)      668  
   data-arc span      9028 days (24.72 yr)  
   first obs. used      1995-12-26  
   last obs. used      2020-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57678  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:00:33  

Additional Information
 Earth MOID = 1.24563 au 
 Jupiter MOID = 2.33389 au 
 T_jup = 3.341 
[ 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 15.19   n/a E2021B10  
diameter diameter 5.330 km 0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70461 (1999 TG27)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20031109/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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