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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1786655961894109 3.8517e-08  
a 2.910023126376501 1.2496e-08 au
q 2.39010210957747 1.1301e-07 au
i 3.359970134335321 3.5334e-06 deg
node 156.7361727177752 7.7543e-05 deg
peri 239.7627098097581 7.8331e-05 deg
M 24.00864141762974 1.0683e-05 deg
tp 2459079.577206373560
(2020-Aug-18.07720637)		 5.3833e-05 TDB
period 1813.189049237589
4.96		 1.1679e-05
3.198e-08		 d
yr
n .1985452096963486 1.2789e-09 deg/d
Q 3.429944143175531 1.4729e-08 au
   Orbit Determination Parameters
   # obs. used (total)      777  
   data-arc span      22016 days (60.28 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5727  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:25:00  

Additional Information
 Earth MOID = 1.39818 au 
 Jupiter MOID = 2.0036 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

[ show close-approach data ]
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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