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226308 (2003 CN2)
Classification: Main-belt Asteroid          SPK-ID: 2226308
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1601864494281076 6.2109e-08  
a 2.370209036630258 1.2245e-08 au
q 1.990533666650041 1.4873e-07 au
i 4.735177850759689 4.6411e-06 deg
node 170.9458725597473 8.1928e-05 deg
peri 265.9295068985239 8.4013e-05 deg
M 53.86334600470801 1.5545e-05 deg
tp 2459197.079762628764
(2020-Dec-13.57976263)
5.7926e-05 TDB
period 1332.841176397949
3.65
1.0329e-05
2.828e-08
d
yr
n .2700996985799259 2.0932e-09 deg/d
Q 2.749884406610474 1.4207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      8128 days (22.25 yr)  
   first obs. used      1998-11-11  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60484  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:35:18  

Additional Information
 Earth MOID = 1.01227 au 
 Jupiter MOID = 2.50838 au 
 T_jup = 3.523 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457823.5 (2017-Mar-11.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1596105084399942 6.2198e-08  
q 1.991898560409969 1.4877e-07 au
tp 2457861.270094229625
(2017-Apr-17.77009423)
6.1759e-05 TDB
node 171.0817847872436 8.188e-05 deg
peri 265.1272409489936 8.3992e-05 deg
i 4.736025349015636 4.6453e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      8128 days (22.25 yr)  
   first obs. used      1998-11-11  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60484  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:35:18  

Additional Information
 Jupiter MOID = 2.50838 au 
 T_jup = 3.523 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.86860366456318E-15 -9.231574775266637E-15 -7.718144546825222E-13 -4.205154358446107E-14 -2.139626842588528E-13 -1.063492528276755E-14
q -9.231574775266637E-15 2.213153998720904E-14 1.582924762532624E-12 1.042678086722143E-13 4.270073833117804E-13 2.590959268947166E-14
tp -7.718144546825222E-13 1.582924762532624E-12 3.81412877181967E-9 -4.759731886325271E-12 1.206379337517199E-9 1.130175063624898E-12
node -4.205154358446107E-14 1.042678086722143E-13 -4.759731886325271E-12 6.704386737875589E-9 -6.68289582739499E-9 8.027448285842846E-11
peri -2.139626842588528E-13 4.270073833117804E-13 1.206379337517199E-9 -6.68289582739499E-9 7.054689404491563E-9 -7.971704006542108E-11
i -1.063492528276755E-14 2.590959268947166E-14 1.130175063624898E-12 8.027448285842846E-11 -7.971704006542108E-11 2.157881941895975E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.24   n/a MPCxxxxx  
diameter diameter 2.387 km 0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226308 (2003 CN2)          Discovered 2003-Feb-01 by NEAT at Haleakala
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2003 CN2 = 2005 RQ18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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