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90459 (2004 CQ16)
Classification: Main-belt Asteroid          SPK-ID: 2090459
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1405710330860818 4.4951e-08  
a 3.060461385463413 1.9892e-08 au
q 2.63024916678876 1.4213e-07 au
i 7.818113081444948 5.0053e-06 deg
node 154.789903612403 3.0846e-05 deg
peri 5.008691875947084 3.4854e-05 deg
M 88.39812875317996 1.5139e-05 deg
tp 2458916.303097513137
(2020-Mar-07.80309751)
8.1753e-05 TDB
period 1955.59439247804
5.35
1.9066e-05
5.22e-08
d
yr
n .1840872531567369 1.7948e-09 deg/d
Q 3.490673604138067 2.2689e-08 au
  Orbit Determination Parameters
   # obs. used (total)      587  
   data-arc span      9916 days (27.15 yr)  
   first obs. used      1994-06-10  
   last obs. used      2021-08-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54374  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 23:32:09  

Additional Information
 Earth MOID = 1.64006 au 
 Jupiter MOID = 1.49011 au 
 T_jup = 3.205 
[ 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 15.16   n/a E2021B10  
diameter diameter 5.838 km 0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90459 (2004 CQ16)          Discovered 2004-Feb-11 by NEAT at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2004 CQ16 = 1994 LU2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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