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118000 (1128 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2118000
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1930520715661376 4.7784e-08  
a 2.177141684897087 6.3386e-09 au
q 1.756839972534713 1.0457e-07 au
i 4.733287541513719 4.9258e-06 deg
node 347.2298043008126 5.2571e-05 deg
peri 38.76271207660963 5.4137e-05 deg
M 173.4803858534552 1.1305e-05 deg
tp 2458435.073257278406
(2018-Nov-12.57325728)
3.6313e-05 TDB
period 1173.352401646849
3.21
5.1242e-06
1.403e-08
d
yr
n .30681319567312 1.3399e-09 deg/d
Q 2.597443397259461 7.5622e-09 au
  Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      17020 days (46.60 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59551  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:16:10  

Additional Information
 Earth MOID = .763501 au 
 Jupiter MOID = 2.86795 au 
 T_jup = 3.655 
[ 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 17.3   n/a MPO459556  

118000 (1128 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1128 T-2 = 2002 TF90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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