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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .190738588815896 3.7757e-08  
a 2.744210037651687 1.7727e-08 au
q 2.220783287655587 1.0298e-07 au
i 12.31835853003062 5.2845e-06 deg
node 7.060837509295079 2.3235e-05 deg
peri 40.34568251446274 2.8178e-05 deg
M 321.8801255174869 1.6728e-05 deg
tp 2459176.322078935434
(2020-Nov-22.82207894)
7.7907e-05 TDB
period 1660.44482769198
4.55
1.6089e-05
4.405e-08
d
yr
n .2168093717997245 2.1008e-09 deg/d
Q 3.267636787647787 2.1108e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1037  
   data-arc span      14481 days (39.65 yr)  
   first obs. used      1979-11-17  
   last obs. used      2019-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54071  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:27:32  

Additional Information
 Earth MOID = 1.24393 au 
 Jupiter MOID = 2.2442 au 
 T_jup = 3.289 
[ 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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