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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ 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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