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146624 (2001 TR256)
Classification: Main-belt Asteroid          SPK-ID: 2146624
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1767101649517477 5.3606e-08  
a 2.664062035336592 2.2674e-08 au
q 2.193295193630574 1.4237e-07 au
i 12.7444403964971 6.5115e-06 deg
node 31.12060050208488 2.5816e-05 deg
peri 3.147328197290105 3.1117e-05 deg
M 79.65585930730322 1.8562e-05 deg
tp 2458649.077022929869
(2019-Jun-14.57702293)
7.9868e-05 TDB
period 1588.235603073181
4.35
2.0276e-05
5.551e-08
d
yr
n .226666622573762 2.8938e-09 deg/d
Q 3.13482887704261 2.6681e-08 au
  Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      6733 days (18.43 yr)  
   first obs. used      2001-08-26  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:29  

Additional Information
 Earth MOID = 1.19978 au 
 Jupiter MOID = 2.31045 au 
 T_jup = 3.327 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO493834  
diameter diameter 3.013 km 0.357 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.093   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

146624 (2001 TR256)          Discovered 2001-Oct-11 by NEAT at Palomar
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

Alternate Designations
 2001 TR256 = 2004 JH51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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