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86259 (1999 TC229)
Classification: Main-belt Asteroid          SPK-ID: 2086259
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09581013510487545 5.2763e-08  
a 3.003879903774539 2.5509e-08 au
q 2.71607776435508 1.5671e-07 au
i 8.990728259527044 5.6048e-06 deg
node 239.4672439381839 3.5142e-05 deg
peri 172.4000247932308 4.7765e-05 deg
M 299.2864086399875 3.1004e-05 deg
tp 2459321.204975304834
(2021-Apr-16.70497530)
0.00016436 TDB
period 1901.613601230331
5.21
2.4223e-05
6.632e-08
d
yr
n .1893129076101908 2.4115e-09 deg/d
Q 3.291682043193998 2.7953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      726  
   data-arc span      7635 days (20.90 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49809  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:00:00  

Additional Information
 Earth MOID = 1.72746 au 
 Jupiter MOID = 2.05223 au 
 T_jup = 3.226 
[ 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 14.5   n/a MPO474748  
diameter diameter 5.882 km 0.941 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.089   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

86259 (1999 TC229)          Discovered 1999-Oct-04 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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