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74491 (1999 CN122)
Classification: Main-belt Asteroid          SPK-ID: 2074491
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06992954537009695 6.2585e-08  
a 2.603400220375743 1.8173e-08 au
q 2.421345626548457 1.5363e-07 au
i 22.3309667503979 5.9672e-06 deg
node 17.43087883984304 1.155e-05 deg
peri 280.109803842216 7.6978e-05 deg
M 219.3312637267917 8.5161e-05 deg
tp 2459600.021714747526
(2022-Jan-20.52171475)
0.00036716 TDB
period 1534.298402240043
4.20
1.6065e-05
4.398e-08
d
yr
n .2346349311675015 2.4568e-09 deg/d
Q 2.785454814203029 1.9443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1110  
   data-arc span      7776 days (21.29 yr)  
   first obs. used      1999-01-14  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54042  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:05:32  

Additional Information
 Earth MOID = 1.50112 au 
 Jupiter MOID = 2.39057 au 
 T_jup = 3.304 
[ 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 14.4   n/a MPO459336  

74491 (1999 CN122)          Discovered 1999-Feb-11 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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