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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3394712292670193 1.2628e-07  
a 2.529551267508879 7.5349e-09 au
q 1.670841389233693 3.208e-07 au
i 7.577254072680205 1.2056e-05 deg
node 179.5134585410617 3.8949e-05 deg
peri 252.7057438510097 4.8421e-05 deg
M 253.612801277635 2.8737e-05 deg
tp 2459634.760700468764
(2022-Feb-24.26070047)
0.00011821 TDB
period 1469.479919071223
4.02
6.5658e-06
1.798e-08
d
yr
n .2449846339019971 1.0946e-09 deg/d
Q 3.388261145784064 1.0093e-08 au
  Orbit Determination Parameters
   # obs. used (total)      622  
   data-arc span      15210 days (41.64 yr)  
   first obs. used      1977-10-11  
   last obs. used      2019-06-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56161  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:55:55  

Additional Information
 Earth MOID = .703461 au 
 Jupiter MOID = 1.99074 au 
 T_jup = 3.357 
[ 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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