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4500 Pascal (1989 CL)
Classification: Main-belt Asteroid          SPK-ID: 2004500
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1638252372579498 3.1982e-08  
a 3.171500064573585 1.966e-08 au
q 2.651928314031214 1.0347e-07 au
i 2.959281702886225 4.2918e-06 deg
node 136.3409116676137 8.0628e-05 deg
peri 309.7308633696501 8.1993e-05 deg
M 235.2672501965567 1.4807e-05 deg
tp 2459715.281839253788
(2022-May-15.78183925)
8.5689e-05 TDB
period 2062.982356573208
5.65
1.9183e-05
5.252e-08
d
yr
n .1745046431700905 1.6226e-09 deg/d
Q 3.691071815115956 2.2881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1922  
   data-arc span      32396 days (88.70 yr)  
   first obs. used      1931-10-06  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49883  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:10:00  

Additional Information
 Earth MOID = 1.66946 au 
 Jupiter MOID = 1.5362 au 
 T_jup = 3.179 
[ 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 12.6   n/a MPO347559  
diameter diameter 15.893 km 0.399 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.070   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4500 Pascal (1989 CL)          Discovered 1989-Feb-03 by Ueda and Kaneda at Kushiro
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1989 CL = 1931 TE1 = 1954 XG = 1965 WT = 1981 QK1 = 1981 QY1 = 1987 TF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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