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173296 (1999 TM262)
Classification: Main-belt Asteroid          SPK-ID: 2173296
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2805386080606422 7.1712e-08  
a 2.378534683385214 1.4103e-08 au
q 1.711263874084366 1.6979e-07 au
i 3.81321808181155 5.718e-06 deg
node 279.6846039969937 9.8341e-05 deg
peri 79.28143845775216 9.8924e-05 deg
M 229.1703662743365 1.6996e-05 deg
tp 2459487.429722032005
(2021-Sep-29.92972203)
6.6899e-05 TDB
period 1339.869989234221
3.67
1.1917e-05
3.263e-08
d
yr
n .26868278481687 2.3896e-09 deg/d
Q 3.045805492686062 1.8059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      7584 days (20.76 yr)  
   first obs. used      1999-07-23  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61089  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:26:16  

Additional Information
 Earth MOID = .712786 au 
 Jupiter MOID = 2.43128 au 
 T_jup = 3.483 
[ 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 16.3   n/a MPO459805  
diameter diameter 1.336 km 0.306 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.327   0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173296 (1999 TM262)          Discovered 1999-Oct-15 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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