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118148 (4204 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2118148
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3405296805842676 1.274e-07  
a 2.527962258183802 7.5324e-09 au
q 1.667116077875388 3.2371e-07 au
i 7.574247433646272 1.2753e-05 deg
node 179.6414336935339 3.927e-05 deg
peri 252.6046675573893 4.8499e-05 deg
M 204.6385744228698 2.8563e-05 deg
tp 2459634.070579807283
(2022-Feb-23.57057981)
0.00011795 TDB
period 1468.095493352611
4.02
6.5616e-06
1.796e-08
d
yr
n .2452156563588974 1.096e-09 deg/d
Q 3.388808438492217 1.0097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      600  
   data-arc span      15187 days (41.58 yr)  
   first obs. used      1977-10-11  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53096  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:55:24  

Additional Information
 Earth MOID = .700265 au 
 Jupiter MOID = 1.98941 au 
 T_jup = 3.358 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO475037  

118148 (4204 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 4204 T-3 = 1989 TE12 = 1993 TE20 = 2001 SF20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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