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18204 (3065 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2018204
[ 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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1280025193178398 4.4332e-08  
a 2.702170138382792 1.4144e-08 au
q 2.356285553044358 1.188e-07 au
i 5.589134816202884 3.9655e-06 deg
node 261.4804959577422 4.8762e-05 deg
peri 46.6148857699722 5.1693e-05 deg
M 247.6412082503672 2.0261e-05 deg
tp 2459706.874726838024
(2022-May-07.37472684)		 9.341e-05 TDB
period 1622.435581791349
4.44		 1.2738e-05
3.487e-08		 d
yr
n .2218886247566883 1.7421e-09 deg/d
Q 3.048054723721225 1.5954e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1055  
   data-arc span      22055 days (60.38 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54709  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:25:08  

Additional Information
 Earth MOID = 1.34364 au 
 Jupiter MOID = 2.18039 au 
 T_jup = 3.348 
[ 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 14.75   n/a E2021B10  

18204 (3065 P-L)          Discovered 1960-Sep-24 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
 3065 P-L = 1999 JL43 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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