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15647 (4556 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2015647
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1402023456217338 4.2091e-08  
a 2.994813265505804 1.418e-08 au
q 2.574933420982806 1.3019e-07 au
i 3.147298067017267 4.2862e-06 deg
node 43.18593494649094 6.548e-05 deg
peri 332.4984011719775 6.6496e-05 deg
M 243.4448227603583 1.3281e-05 deg
tp 2460009.389410203665
(2023-Mar-05.88941020)		 7.2183e-05 TDB
period 1893.01061436057
5.18		 1.3444e-05
3.681e-08		 d
yr
n .1901732601333577 1.3506e-09 deg/d
Q 3.414693110028802 1.6168e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1776  
   data-arc span      22194 days (60.76 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48155  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:53:20  

Additional Information
 Earth MOID = 1.57598 au 
 Jupiter MOID = 2.04961 au 
 T_jup = 3.238 
[ 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 13.71   n/a MPO614063  
diameter diameter 4.807 km 1.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.366   0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15647 (4556 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4556 P-L = 1991 RT21 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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