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7642 (1988 TZ)
Classification: Main-belt Asteroid          SPK-ID: 2007642
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1315837717401404 4.6827e-08  
a 2.277706780249992 1.1749e-08 AU
q 1.977997531186606 1.077e-07 AU
i 3.828012041406043 7.8864e-06 deg
node 17.90339733336042 6.5533e-05 deg
peri 52.09706460698265 7.2044e-05 deg
M 123.0848652051859 2.9591e-05 deg
tp 2456371.213429646022
(2013-Mar-19.71342965)
0.00010265 JED
period 1255.58219582728
3.44
9.7149e-06
2.66e-08
d
yr
n .2867195801249815 2.2184e-09 deg/d
Q 2.577416029313377 1.3295e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      922  
   data-arc span      18108 days (49.58 yr)  
   first obs. used      1964-11-27  
   last obs. used      2014-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50384  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:17:33  

Additional Information
 Earth MOID = .993863 AU 
 T_jup = 3.593 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO256920  

7642 (1988 TZ)          Discovered 1988-Oct-13 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1988 TZ = 1964 WL = 1995 UN3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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