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19885 (4283 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2019885
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1071631055872481 1.0518e-08  
a 2.254578339209838 5.3052e-09 au
q 2.012970722590372 2.557e-08 au
i 7.797426756208802 8.4669e-07 deg
node 28.05567979140744 3.5968e-06 deg
peri 47.36123696060785 8.2235e-06 deg
M 346.6701593957094 8.0704e-06 deg
tp 2459246.284542371658
(2021-Jan-31.78454237)
2.773e-05 TDB
period 1236.506552710891
3.39
4.3644e-06
1.195e-08
d
yr
n .2911428161951455 1.0276e-09 deg/d
Q 2.496185955829304 5.8737e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2091  
   data-arc span      18246 days (49.95 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44477  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:08:31  

Additional Information
 Earth MOID = 1.03552 au 
 Jupiter MOID = 2.73232 au 
 T_jup = 3.605 
[ 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 14.50   n/a E2021B10  

19885 (4283 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4283 T-1 = 1986 TW3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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