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JPL Small-Body Database Browser
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32657 (4721 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2032657
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02494948366436655 4.3598e-08  
a 2.748631887828392 1.4692e-08 au
q 2.68005494144366 1.187e-07 au
i 2.397348158585065 4.8663e-06 deg
node 10.58250614715439 9.3973e-05 deg
peri 157.5063533930732 0.00012297 deg
M 228.7559171981142 7.9934e-05 deg
tp 2459607.306926045361
(2022-Jan-27.80692605)
0.00037046 TDB
period 1664.459750967083
4.56
1.3345e-05
3.654e-08
d
yr
n .2162863955051079 1.7341e-09 deg/d
Q 2.817208834213123 1.5059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      21559 days (59.03 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5522  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:27:34  

Additional Information
 Earth MOID = 1.68512 au 
 Jupiter MOID = 2.14378 au 
 T_jup = 3.345 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO347761  

32657 (4721 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4721 P-L = 1994 CZ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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