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91242 (1999 CX32)
Classification: Main-belt Asteroid          SPK-ID: 2091242
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .122230270174296 6.2785e-08  
a 2.301568054247154 8.7992e-09 au
q 2.020246769151996 1.4449e-07 au
i 8.378277284079589 7.1481e-06 deg
node 344.2892102762874 2.4632e-05 deg
peri 211.2748255591276 3.5299e-05 deg
M 50.22475717872186 2.5268e-05 deg
tp 2459022.569867063744
(2020-Jun-22.06986706)
8.959e-05 TDB
period 1275.364012793865
3.49
7.3138e-06
2.002e-08
d
yr
n .2822723523548144 1.6187e-09 deg/d
Q 2.582889339342312 9.8747e-09 au
  Orbit Determination Parameters
   # obs. used (total)      934  
   data-arc span      7775 days (21.29 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49867  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:44:35  

Additional Information
 Earth MOID = 1.02456 au 
 Jupiter MOID = 2.39244 au 
 T_jup = 3.567 
[ 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 15.5   n/a MPO493510  
diameter diameter 2.529 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.230   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91242 (1999 CX32)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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