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86264 (1999 TK249)
Classification: Main-belt Asteroid          SPK-ID: 2086264
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1992193553304994 4.3746e-08  
a 3.147972893051072 2.7309e-08 au
q 2.52083576269955 1.4779e-07 au
i 9.19056353750709 6.2712e-06 deg
node 325.2022047075053 3.6844e-05 deg
peri 318.5958876426558 4.1286e-05 deg
M 308.0044630355288 2.026e-05 deg
tp 2459295.151373397392
(2021-Mar-21.65137340)
0.00011616 TDB
period 2040.069217778101
5.59
2.6547e-05
7.268e-08
d
yr
n .1764646007413839 2.2963e-09 deg/d
Q 3.775110023402593 3.275e-08 au
  Orbit Determination Parameters
   # obs. used (total)      773  
   data-arc span      7570 days (20.73 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56644  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:21:02  

Additional Information
 Earth MOID = 1.5134 au 
 Jupiter MOID = 1.49754 au 
 T_jup = 3.158 
[ 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 14.3   n/a MPO468834  
diameter diameter 7.835 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

86264 (1999 TK249)          Discovered 1999-Oct-09 by CSS at Catalina
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 TK249 = 2002 AQ100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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