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146576 (2001 TZ77)
Classification: Main-belt Asteroid          SPK-ID: 2146576
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05302033219752521 4.1599e-08  
a 2.728080378044685 1.721e-08 au
q 2.583436650139205 1.1989e-07 au
i 6.327526714212606 4.018e-06 deg
node 109.1046100209898 4.4315e-05 deg
peri 321.5622329664877 6.2585e-05 deg
M 23.03368464121201 4.3682e-05 deg
tp 2458895.195947340903
(2020-Feb-15.69594734)		 0.00019961 TDB
period 1645.826950736622
4.51		 1.5574e-05
4.264e-08		 d
yr
n .2187350254769342 2.0699e-09 deg/d
Q 2.872724105950164 1.8123e-08 au
   Orbit Determination Parameters
   # obs. used (total)      593  
   data-arc span      6680 days (18.29 yr)  
   first obs. used      2001-10-13  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59627  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:11  

Additional Information
 Earth MOID = 1.60178 au 
 Jupiter MOID = 2.27663 au 
 T_jup = 3.345 
[ 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 15.5   n/a MPO502887  
diameter diameter 4.912 km 0.662 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.051   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

146576 (2001 TZ77)          Discovered 2001-Oct-13 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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