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18245 (3061 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2018245
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01416265416584309 4.1341e-08  
a 3.083974840254573 1.9912e-08 au
q 3.040297571135886 1.2901e-07 au
i 16.75467287903199 4.6002e-06 deg
node 171.1905514084871 1.5102e-05 deg
peri 185.5640397393774 0.00015428 deg
M 261.3569174251713 0.00015434 deg
tp 2459742.536835327018
(2022-Jun-12.03683533)
0.00084947 TDB
period 1978.174805817755
5.42
1.9159e-05
5.245e-08
d
yr
n .1819859392310783 1.7625e-09 deg/d
Q 3.12765210937326 2.0194e-08 au
  Orbit Determination Parameters
   # obs. used (total)      965  
   data-arc span      17068 days (46.73 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5769  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:20:09  

Additional Information
 Earth MOID = 2.03299 au 
 Jupiter MOID = 1.92111 au 
 T_jup = 3.161 
[ 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 14.37   n/a E2021B10  

18245 (3061 T-2)          Discovered 1973-Sep-30 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
 3061 T-2 = 1998 FO59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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