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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2425624714902285 5.9041e-08  
a 2.312530289895715 7.0272e-09 au
q 1.751597227382595 1.3783e-07 au
i 4.550068240094649 5.8908e-06 deg
node 340.593015513477 4.8641e-05 deg
peri 17.70110764820644 4.942e-05 deg
M 81.50830168082486 7.7533e-06 deg
tp 2457309.676889472459
(2015-Oct-14.17688947)
2.7187e-05 JED
period 1284.486581500509
3.52
5.8548e-06
1.603e-08
d
yr
n .2802676222428543 1.2775e-09 deg/d
Q 2.873463352408834 8.7317e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1394  
   data-arc span      12908 days (35.34 yr)  
   first obs. used      1980-10-14  
   last obs. used      2016-02-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49659  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:26:04  

Additional Information
 Earth MOID = .747247 au 
 Jupiter MOID = 2.57039 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. 2016-February); 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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