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4636 Chile (1988 CJ5)
Classification: Main-belt Asteroid          SPK-ID: 2004636
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1584544528762704 3.8439e-08  
a 2.613986962156495 7.8707e-09 au
q 2.199789088242283 9.8798e-08 au
i 13.76131285587839 3.49e-06 deg
node 176.8516579851913 1.652e-05 deg
peri 203.2931804725862 2.0616e-05 deg
M 34.40643907717935 1.1319e-05 deg
tp 2459052.966454629022
(2020-Jul-22.46645463)		 4.8544e-05 TDB
period 1543.666760004222
4.23		 6.9719e-06
1.909e-08		 d
yr
n .2332109554519496 1.0533e-09 deg/d
Q 3.028184836070706 9.1178e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2401  
   data-arc span      32614 days (89.29 yr)  
   first obs. used      1931-10-06  
   last obs. used      2021-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42262  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:19:17  

Additional Information
 Earth MOID = 1.20538 au 
 Jupiter MOID = 2.44677 au 
 T_jup = 3.350 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.78   n/a E2021B10  
diameter diameter 6.828 km 0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.233   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4636 Chile (1988 CJ5)          Discovered 1988-Feb-13 by Elst, E. W. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1988 CJ5 = 1931 TJ4 = 1952 SQ = 1986 TO2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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