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JPL Small-Body Database Browser
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32654 (4640 P-L)
Classification: Outer Main-belt Asteroid          SPK-ID: 2032654
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09836562633794858 5.7062e-08  
a 3.220841054300442 2.5354e-08 au
q 2.904021006659201 1.831e-07 au
i 8.182136368682405 6.3611e-06 deg
node 169.1413163735409 3.1003e-05 deg
peri 175.7481289576893 3.8854e-05 deg
M 58.38174798469859 2.3835e-05 deg
tp 2458258.105358019389
(2018-May-19.60535802)
0.00013917 TDB
period 2111.311760403712
5.78
2.493e-05
6.825e-08
d
yr
n .170510109758098 2.0133e-09 deg/d
Q 3.537661101941684 2.7848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      707  
   data-arc span      21265 days (58.22 yr)  
   first obs. used      1960-09-24  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59315  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:32:54  

Additional Information
 Earth MOID = 1.89584 au 
 Jupiter MOID = 1.88047 au 
 T_jup = 3.165 
[ 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 14.5   n/a MPO459094  
diameter diameter 7.283 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

32654 (4640 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

[ show close-approach data ]
Alternate Designations
 4640 P-L = 1995 TY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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