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7748 (1987 TA)
Classification: Main-belt Asteroid          SPK-ID: 2007748
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 .2427004587243042 6.2137e-08  
a 2.312652240261167 1.276e-08 AU
q 1.751370480679992 1.4412e-07 AU
i 4.550093593946566 6.4346e-06 deg
node 340.5966715141048 6.0372e-05 deg
peri 17.75305750013775 6.1356e-05 deg
M 273.3217650538136 1.4219e-05 deg
tp 2457309.793991065632
(2015-Oct-14.29399107)
5.2791e-05 JED
period 1284.588188173836
3.52
1.0632e-05
2.911e-08
d
yr
n .2802454540017018 2.3195e-09 deg/d
Q 2.873933999842342 1.5857e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1054  
   data-arc span      12305 days (33.69 yr)  
   first obs. used      1980-10-14  
   last obs. used      2014-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51669  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:10:52  

Additional Information
 Earth MOID = .748268 AU 
 T_jup = 3.539 
[ 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 13.8 mag n/a MPO263418  

7748 (1987 TA)          Discovered 1987-Oct-12 by Niijima, T., Urata, T. at Ojima
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1987 TA = 1980 TP15 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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