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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1408889951317006 4.8312e-08  
a 3.060899146612888 2.1317e-08 au
q 2.629652141647118 1.5438e-07 au
i 7.817810210636996 5.2247e-06 deg
node 154.7893708090131 3.1638e-05 deg
peri 4.990037953043539 3.5812e-05 deg
M 15.4946866293318 1.5446e-05 deg
tp 2458916.311600383098
(2020-Mar-07.81160038)
8.3882e-05 TDB
period 1956.013992868454
5.36
2.0434e-05
5.595e-08
d
yr
n .1840477631103587 1.9227e-09 deg/d
Q 3.492146151578657 2.4321e-08 au
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      9444 days (25.86 yr)  
   first obs. used      1994-06-10  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54293  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:32:20  

Additional Information
 Earth MOID = 1.63869 au 
 Jupiter MOID = 1.49017 au 
 T_jup = 3.204 
[ 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 15.0   n/a MPO432443  
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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