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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1585636269138602 1.542e-08  
a 2.614471822759911 7.5385e-09 au
q 2.199911688079009 3.9512e-08 au
i 13.76145923176739 7.8578e-07 deg
node 176.84633605 4.1467e-06 deg
peri 203.3459404022901 9.6085e-06 deg
M 80.05618227570203 6.2139e-06 deg
tp 2459053.126519859815
(2020-Jul-22.62651986)
2.6456e-05 TDB
period 1544.096275097856
4.23
6.6783e-06
1.828e-08
d
yr
n .2331460840919296 1.0084e-09 deg/d
Q 3.029031957440814 8.7338e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2538  
   data-arc span      32693 days (89.51 yr)  
   first obs. used      1931-10-06  
   last obs. used      2021-04-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42351  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:28:35  

Additional Information
 Earth MOID = 1.20618 au 
 Jupiter MOID = 2.44681 au 
 T_jup = 3.350 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457429.5 (2016-Feb-11.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1605754460649982 1.5474e-08  
q 2.193792002323549 3.9726e-08 au
tp 2457507.594084316833
(2016-Apr-29.09408432)
2.5942e-05 TDB
node 176.99209305014 4.1353e-06 deg
peri 202.8154463091459 9.4851e-06 deg
i 13.77604403288875 7.8588e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2538  
   data-arc span      32693 days (89.51 yr)  
   first obs. used      1931-10-06  
   last obs. used      2021-04-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42351  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:28:35  

Additional Information
 Jupiter MOID = 2.44681 au 
 T_jup = 3.350 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.394427085377935E-16 -6.072399514013213E-16 9.09605867214647E-14 -1.040783894018908E-14 5.560693382084061E-14 -2.716898222424275E-16
q -6.072399514013213E-16 1.578190528141141E-15 -2.608283627646707E-13 2.775514170295946E-14 -1.515130467956735E-13 6.980219234226438E-16
tp 9.09605867214647E-14 -2.608283627646707E-13 6.730069573766068E-10 -5.062934489270654E-11 2.25592868334536E-10 3.342884768699202E-12
node -1.040783894018908E-14 2.775514170295946E-14 -5.062934489270654E-11 1.71005035851893E-11 -2.943267022265246E-11 -1.40695733835992E-12
peri 5.560693382084061E-14 -1.515130467956735E-13 2.25592868334536E-10 -2.943267022265246E-11 8.996723518532704E-11 2.311081175371989E-12
i -2.716898222424275E-16 6.980219234226438E-16 3.342884768699202E-12 -1.40695733835992E-12 2.311081175371989E-12 6.176112571927305E-13

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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