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22201 (4584 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2022201
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 .2125189041858465 3.8065e-08  
a 2.342570546731568 7.498e-09 au
q 1.844730021162136 8.8098e-08 au
i 5.883453006141852 3.5167e-06 deg
node 166.6022147626273 3.6365e-05 deg
peri 219.0804087742739 3.711e-05 deg
M 272.9338067885425 9.9958e-06 deg
tp 2459517.226571907294
(2021-Oct-29.72657191)
3.7377e-05 TDB
period 1309.596316100577
3.59
6.2875e-06
1.721e-08
d
yr
n .2748938704042231 1.3198e-09 deg/d
Q 2.840411072301 9.0914e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1579  
   data-arc span      21844 days (59.81 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-07-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52313  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:02:26  

Additional Information
 Earth MOID = .851297 au 
 Jupiter MOID = 2.62021 au 
 T_jup = 3.526 
[ 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 14.83   n/a E2021B10  
diameter diameter 2.681 km 0.448 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.268   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22201 (4584 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4584 P-L = 1998 FJ15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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