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18274 (3150 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2018274
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08276435179335427 4.0297e-08  
a 2.776594815216068 1.0497e-08 au
q 2.546791745141922 1.1152e-07 au
i 1.329559750245066 3.3781e-06 deg
node 126.7602558838722 0.00016178 deg
peri 256.1359481770797 0.0001631 deg
M 118.5071748077822 2.0158e-05 deg
tp 2458644.199649749553
(2019-Jun-09.69964975)
9.4348e-05 TDB
period 1689.924060842682
4.63
9.5833e-06
2.624e-08
d
yr
n .2130273237369528 1.208e-09 deg/d
Q 3.006397885290214 1.1366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1465  
   data-arc span      15865 days (43.44 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50609  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:25:59  

Additional Information
 Earth MOID = 1.54886 au 
 Jupiter MOID = 2.38678 au 
 T_jup = 3.330 
[ 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 14.82   n/a E2021B10  

18274 (3150 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 3150 T-3 = 1998 FM80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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