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129388 (1149 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2129388
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1709542499369427 3.8067e-08  
a 2.294609052019665 8.8194e-09 au
q 1.902335882633124 8.829e-08 au
i 5.290352807846573 4.0473e-06 deg
node 6.740791832341685 4.9191e-05 deg
peri 346.6441429114424 5.064e-05 deg
M 160.3174030431063 1.3695e-05 deg
tp 2458435.121031663552
(2018-Nov-12.62103166)
4.7061e-05 TDB
period 1269.584117117929
3.48
7.3195e-06
2.004e-08
d
yr
n .2835574225812091 1.6348e-09 deg/d
Q 2.686882221406206 1.0327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      444  
   data-arc span      16937 days (46.37 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5338  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:04:14  

Additional Information
 Earth MOID = .89783 au 
 Jupiter MOID = 2.74573 au 
 T_jup = 3.571 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO453772  

129388 (1149 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1149 T-2 = 2001 VQ56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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