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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1314497690568154 4.6764e-08  
a 2.277974806728938 1.1719e-08 AU
q 1.978535544467176 1.0755e-07 AU
i 3.827729304100635 7.8838e-06 deg
node 17.90087724710848 6.5385e-05 deg
peri 52.11230334834537 7.1912e-05 deg
M 180.4144235536016 2.9703e-05 deg
tp 2457626.956261146609
(2016-Aug-26.45626115)
0.0001047 JED
period 1255.803826094533
3.44
9.691e-06
2.653e-08
d
yr
n .2866689784817556 2.2122e-09 deg/d
Q 2.577414068990701 1.326e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      963  
   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      .49699  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:09:52  

Additional Information
 Earth MOID = .994971 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
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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