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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09863429729125027 5.7083e-08  
a 3.221160442280478 2.5501e-08 au
q 2.90344354559377 1.8328e-07 au
i 8.182548994892665 6.361e-06 deg
node 169.1240561620454 3.1e-05 deg
peri 175.8303292587906 3.8798e-05 deg
M 126.482477095241 2.3895e-05 deg
tp 2458258.600934323845
(2018-May-20.10093432)
0.00013868 TDB
period 2111.625813924426
5.78
2.5075e-05
6.865e-08
d
yr
n .1704847504828259 2.0245e-09 deg/d
Q 3.538877338967186 2.8016e-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 = 1.89619 au 
 Jupiter MOID = 1.88286 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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