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JPL Small-Body Database Browser
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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 | Close-Approach Data ]

[ 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 .139811382300833 5.0619e-08  
a 2.995650252500536 1.6017e-08 au
q 2.576824249808597 1.5449e-07 au
i 3.14683567845524 5.0424e-06 deg
node 43.1882268763425 8.4564e-05 deg
peri 332.5245712033175 8.5901e-05 deg
M 168.0971735729966 1.4586e-05 deg
tp 2458116.213493116978
(2017-Dec-28.71349312)		 7.5516e-05 TDB
period 1893.804254475739
5.18		 1.5189e-05
4.159e-08		 d
yr
n .1900935638671161 1.5246e-09 deg/d
Q 3.414476255192476 1.8257e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1435  
   data-arc span      21370 days (58.51 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50745  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:33:17  

Additional Information
 Earth MOID = 1.57866 au 
 Jupiter MOID = 2.04777 au 
 T_jup = 3.237 
[ 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 13.7   n/a MPO337391  
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

[ show close-approach data ]
Alternate Designations
 4556 P-L = 1991 RT21 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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