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16678 (1994 CC18)
Classification: Main-belt Asteroid          SPK-ID: 2016678
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1717574333987331 5.7283e-08  
a 2.565679417949494 1.2604e-08 au
q 2.125004906198534 1.4627e-07 au
i 12.91699631447542 5.1491e-06 deg
node 358.0016631045467 2.2736e-05 deg
peri 56.75650004210453 2.6144e-05 deg
M 276.3418353391095 1.417e-05 deg
tp 2459549.325193693525
(2021-Nov-30.82519369)
6.0089e-05 TDB
period 1501.073687651377
4.11
1.1061e-05
3.028e-08
d
yr
n .2398283328537097 1.7673e-09 deg/d
Q 3.006353929700455 1.4769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1106  
   data-arc span      11047 days (30.25 yr)  
   first obs. used      1990-04-15  
   last obs. used      2020-07-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49229  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:38:38  

Additional Information
 Earth MOID = 1.16262 au 
 Jupiter MOID = 2.51421 au 
 T_jup = 3.377 
[ 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 14.13   n/a E2021B10  
diameter diameter 2.981 km 0.541 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.379   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16678 (1994 CC18)          Discovered 1994-Feb-08 by Elst, E. W. at La Silla
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 CC18 = 1990 GK = 1990 HP3 = 1992 SB18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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