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74497 (1999 CG137)
Classification: Main-belt Asteroid          SPK-ID: 2074497
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1220146173282202 4.6924e-08  
a 3.058265535376513 2.1355e-08 au
q 2.685112436389464 1.4845e-07 au
i 11.63051907020067 5.9234e-06 deg
node 149.9597826448728 2.2809e-05 deg
peri 256.1937342713603 3.2789e-05 deg
M 4.840724508525875 2.26e-05 deg
tp 2458574.232479550323
(2019-Mar-31.73247955)
0.00012261 TDB
period 1953.490091251563
5.35
2.0461e-05
5.602e-08
d
yr
n .184285552106054 1.9302e-09 deg/d
Q 3.431418634363563 2.3961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1232  
   data-arc span      7615 days (20.85 yr)  
   first obs. used      1999-01-22  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52609  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:47:49  

Additional Information
 Earth MOID = 1.72269 au 
 Jupiter MOID = 2.04638 au 
 T_jup = 3.192 
[ 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 14.1   n/a MPO453158  
diameter diameter 4.098 km 1.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.200   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74497 (1999 CG137)          Discovered 1999-Feb-09 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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