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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1314497659135021 4.6809e-08  
a 2.277974807702664 1.1734e-08 AU
q 1.978535552473294 1.0767e-07 AU
i 3.827729160282117 7.8859e-06 deg
node 17.900871574 6.5517e-05 deg
peri 52.11230702555519 7.2042e-05 deg
M 180.4144246808538 2.971e-05 deg
tp 2457626.956257616037
(2016-Aug-26.45625762)
0.00010472 JED
period 1255.803826899728
3.44
9.7035e-06
2.657e-08
d
yr
n .2866689782979495 2.2151e-09 deg/d
Q 2.577414062932034 1.3277e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      928  
   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      .50245  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:11:01  

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 (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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