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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2426327117456596 5.9939e-08  
a 2.312753998534133 7.1591e-09 au
q 1.751604224269179 1.4009e-07 au
i 4.550074283017663 5.9903e-06 deg
node 340.5943420436827 4.8666e-05 deg
peri 17.71399958961625 4.9454e-05 deg
M 25.4398935910564 7.7713e-06 deg
tp 2457309.716822948618
(2015-Oct-14.21682295)
2.7579e-05 JED
period 1284.67297323866
3.52
5.965e-06
1.633e-08
d
yr
n .2802269585328321 1.3012e-09 deg/d
Q 2.873903772799086 8.8961e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1361  
   data-arc span      12839 days (35.15 yr)  
   first obs. used      1980-10-14  
   last obs. used      2015-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48954  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:04:48  

Additional Information
 Earth MOID = .746397 au 
 Jupiter MOID = 2.56991 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  
rotation period rot_per 4.22 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Published Reference List:
[Liu, J.; Gu, Y. (2016) Minor Planet Bul. 43, 8-9.]

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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