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86252 (1999 TG186)
Classification: Main-belt Asteroid          SPK-ID: 2086252
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1419292142754458 5.212e-08  
a 3.183603316470015 3.0256e-08 au
q 2.731756999198722 1.7436e-07 au
i 14.4748167131998 6.744e-06 deg
node 326.5279452989059 2.0088e-05 deg
peri 318.9942656653984 2.9089e-05 deg
M 307.858947626133 2.1707e-05 deg
tp 2459301.006687420202
(2021-Mar-27.50668742)
0.0001258 TDB
period 2074.802915283956
5.68
2.9577e-05
8.098e-08
d
yr
n .173510456028413 2.4735e-09 deg/d
Q 3.635449633741307 3.455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      742  
   data-arc span      8888 days (24.33 yr)  
   first obs. used      1996-02-16  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:21:02  

Additional Information
 Earth MOID = 1.73399 au 
 Jupiter MOID = 1.71398 au 
 T_jup = 3.134 
[ 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 14.0   n/a MPO263973  
diameter diameter 8.212 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

86252 (1999 TG186)          Discovered 1999-Oct-12 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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