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129957 (1999 TQ262)
Classification: Main-belt Asteroid          SPK-ID: 2129957
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09265792688212819 5.9027e-08  
a 2.638675384790262 1.7674e-08 au
q 2.394181193920695 1.6502e-07 au
i 5.017381337838115 5.2303e-06 deg
node 190.9991961382857 5.7748e-05 deg
peri 169.7874389783124 6.3739e-05 deg
M 298.4528743496065 2.657e-05 deg
tp 2459268.159492495643
(2021-Feb-22.65949250)
0.00011606 TDB
period 1565.587609172375
4.29
1.573e-05
4.307e-08
d
yr
n .2299456114054894 2.3103e-09 deg/d
Q 2.88316957565983 1.9312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      8079 days (22.12 yr)  
   first obs. used      1998-06-16  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59961  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:42:26  

Additional Information
 Earth MOID = 1.39126 au 
 Jupiter MOID = 2.53516 au 
 T_jup = 3.385 
[ 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 16.0   n/a MPO280657  
diameter diameter 3.538 km 0.885 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129957 (1999 TQ262)          Discovered 1999-Oct-15 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

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