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18254 (4062 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2018254
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147110270915778 3.31e-08  
a 2.714557110606054 1.0856e-08 au
q 2.403167476349688 9.0228e-08 au
i 13.08335728154235 4.2016e-06 deg
node 180.6766478266073 1.5537e-05 deg
peri 329.1877304680042 2.3985e-05 deg
M 105.5309194588831 1.7283e-05 deg
tp 2458917.622841306504
(2020-Mar-09.12284131)
7.8243e-05 TDB
period 1633.604426206363
4.47
9.7999e-06
2.683e-08
d
yr
n .2203715870408174 1.322e-09 deg/d
Q 3.02594674486242 1.2102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1767  
   data-arc span      17438 days (47.74 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48332  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:35:19  

Additional Information
 Earth MOID = 1.42211 au 
 Jupiter MOID = 1.98148 au 
 T_jup = 3.315 
[ 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 14.15   n/a E2021B10  

18254 (4062 T-2)          Discovered 1973-Sep-29 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
 4062 T-2 = 1998 FB74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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