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74492 (1999 CP122)
Classification: Main-belt Asteroid          SPK-ID: 2074492
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .063932544397309 5.7292e-08  
a 3.017193768119375 2.2504e-08 au
q 2.824296893583799 1.7387e-07 au
i 25.68308497716264 6.3502e-06 deg
node 91.17253516930859 1.1261e-05 deg
peri 350.716275565152 4.1829e-05 deg
M 72.39277970651335 3.9083e-05 deg
tp 2458615.557394129531
(2019-May-12.05739413)
0.0002078 TDB
period 1914.270161681615
5.24
2.1417e-05
5.864e-08
d
yr
n .1880612293949948 2.104e-09 deg/d
Q 3.210090642654951 2.3943e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1000  
   data-arc span      9125 days (24.98 yr)  
   first obs. used      1995-05-06  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50413  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:05:32  

Additional Information
 Earth MOID = 1.84212 au 
 Jupiter MOID = 2.02653 au 
 T_jup = 3.094 
[ 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 14.0   n/a MPO502607  
diameter diameter 8.797 km 0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74492 (1999 CP122)          Discovered 1999-Feb-11 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 CP122 = 2000 KS54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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