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85164 (1988 TG2)
Classification: Main-belt Asteroid          SPK-ID: 2085164
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1906644399147749 3.8743e-08  
a 2.747231974511541 1.8468e-08 au
q 2.223432528775337 1.0554e-07 au
i 12.31496299852205 5.4066e-06 deg
node 7.139378321543816 2.3478e-05 deg
peri 39.93030860795582 2.8538e-05 deg
M 235.5764560715095 1.6525e-05 deg
tp 2459175.332735054708
(2020-Nov-21.83273505)
7.8737e-05 TDB
period 1663.188316984675
4.55
1.6771e-05
4.592e-08
d
yr
n .2164517368981237 2.1827e-09 deg/d
Q 3.271031420247746 2.199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      994  
   data-arc span      14062 days (38.50 yr)  
   first obs. used      1979-11-17  
   last obs. used      2018-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52744  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 03:05:00  

Additional Information
 Earth MOID = 1.24566 au 
 Jupiter MOID = 2.2383 au 
 T_jup = 3.288 
[ 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 14.0   n/a MPO432395  
diameter diameter 4.099 km 0.779 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.290   0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85164 (1988 TG2)          Discovered 1988-Oct-03 by Mrkos, A. at Klet
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1988 TG2 = 1979 WB5 = 2004 DM23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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