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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2427004494927588 6.1537e-08  
a 2.31265223387167 1.2174e-08 AU
q 1.751370497190583 1.4312e-07 AU
i 4.550095343558016 6.3606e-06 deg
node 340.5966839501653 5.9768e-05 deg
peri 17.75304155409566 6.073e-05 deg
M 273.321772389621 1.357e-05 deg
tp 2457309.793963607471
(2015-Oct-14.29396361)
5.0333e-05 JED
period 1284.588182850161
3.52
1.0143e-05
2.777e-08
d
yr
n .2802454551631134 2.2128e-09 deg/d
Q 2.873933970552757 1.5128e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1100  
   data-arc span      12668 days (34.68 yr)  
   first obs. used      1980-10-14  
   last obs. used      2015-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51201  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:57:40  

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 13.9 mag n/a MPO319182  

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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