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120418 (6633 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2120418
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1784832976810966 4.5497e-08  
a 2.909361029798382 1.7783e-08 au
q 2.390088679055096 1.328e-07 au
i 3.360055215225144 4.6385e-06 deg
node 156.7389012544568 8.3925e-05 deg
peri 239.7379705401223 8.4836e-05 deg
M 344.3094682282481 1.4238e-05 deg
tp 2459079.500531768140
(2020-Aug-18.00053177)		 7.1995e-05 TDB
period 1812.570271692896
4.96		 1.6618e-05
4.55e-08		 d
yr
n .1986129893125572 1.8209e-09 deg/d
Q 3.428633380541668 2.0957e-08 au
   Orbit Determination Parameters
   # obs. used (total)      567  
   data-arc span      21414 days (58.63 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6197  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:57:58  

Additional Information
 Earth MOID = 1.39924 au 
 Jupiter MOID = 2.00385 au 
 T_jup = 3.257 
[ 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 15.6   n/a MPO445881  

120418 (6633 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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Alternate Designations
 6633 P-L = 2000 UY22 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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