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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1643475130499225 2.1762e-08  
a 3.167063013997466 1.6125e-08 au
q 2.646564083974591 7.5112e-08 au
i 2.961889565220221 6.14e-07 deg
node 136.3433400093631 1.1208e-05 deg
peri 310.208108257261 1.0802e-05 deg
M 269.7012566899365 5.0761e-06 deg
tp 2459716.872005033378
(2022-May-17.37200503)
3.1023e-05 TDB
period 2058.65458363803
5.64
1.5722e-05
4.304e-08
d
yr
n .1748714927026817 1.3355e-09 deg/d
Q 3.687561944020342 1.8775e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2311  
   data-arc span      32607 days (89.27 yr)  
   first obs. used      1931-10-06  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47349  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:25:48  

Additional Information
 Earth MOID = 1.6638 au 
 Jupiter MOID = 1.53782 au 
 T_jup = 3.180 
[ 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 12.69   n/a E2021B10  
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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