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18326 (1985 CV1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2018326
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1162656591057695 4.5657e-08  
a 3.225256902795901 1.7682e-08 au
q 2.850270283206903 1.4124e-07 au
i 1.907243584527426 4.8883e-06 deg
node 43.8799039809814 0.00012585 deg
peri 107.9012187404555 0.00012747 deg
M 73.89807743778704 1.9366e-05 deg
tp 2458766.214293349231
(2019-Oct-09.71429335)
0.00011298 TDB
period 2115.65523508914
5.79
1.7398e-05
4.763e-08
d
yr
n .1701600497232395 1.3993e-09 deg/d
Q 3.6002435223849 1.9738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1556  
   data-arc span      12937 days (35.42 yr)  
   first obs. used      1985-02-11  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51402  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:26:36  

Additional Information
 Earth MOID = 1.86151 au 
 Jupiter MOID = 1.3928 au 
 T_jup = 3.176 
[ 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 13.67   n/a E2021B10  
diameter diameter 8.902 km 0.429 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.089   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18326 (1985 CV1)          Discovered 1985-Feb-11 by Debehogne, H. at La Silla
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1985 CV1 = 1991 EH3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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