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90666 (4374 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2090666
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478872168790688 4.0347e-08  
a 2.562442716916965 1.6435e-08 au
q 2.183490195100076 1.0221e-07 au
i 13.09651811202909 4.6867e-06 deg
node 171.4701970139095 2.2024e-05 deg
peri 107.3308010373558 2.8324e-05 deg
M 228.510285050714 1.8941e-05 deg
tp 2459547.728815921598
(2021-Nov-29.22881592)
8.0421e-05 TDB
period 1498.23409236043
4.10
1.4414e-05
3.946e-08
d
yr
n .2402828782469028 2.3116e-09 deg/d
Q 2.941395238733855 1.8865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      844  
   data-arc span      15438 days (42.27 yr)  
   first obs. used      1977-10-16  
   last obs. used      2020-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52261  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:15:54  

Additional Information
 Earth MOID = 1.20941 au 
 Jupiter MOID = 2.31451 au 
 T_jup = 3.383 
[ 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 14.9   n/a MPO337936  

90666 (4374 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 4374 T-3 = 2004 CP94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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