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74461 (1999 CB34)
Classification: Main-belt Asteroid          SPK-ID: 2074461
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1273373980821008 3.9738e-08  
a 3.161150113786363 2.5029e-08 au
q 2.758617483349871 1.2403e-07 au
i 15.93960290077939 5.4799e-06 deg
node 326.2294306064027 1.6525e-05 deg
peri 288.1382353043852 3.133e-05 deg
M 193.3349855026539 3.0027e-05 deg
tp 2459950.903550541095
(2023-Jan-06.40355054)
0.0001759 TDB
period 2052.892019520044
5.62
2.4381e-05
6.675e-08
d
yr
n .1753623651789373 2.0827e-09 deg/d
Q 3.563682744222856 2.8216e-08 au
  Orbit Determination Parameters
   # obs. used (total)      980  
   data-arc span      7685 days (21.04 yr)  
   first obs. used      1999-01-13  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52187  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:16:38  

Additional Information
 Earth MOID = 1.79475 au 
 Jupiter MOID = 1.87319 au 
 T_jup = 3.133 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7   n/a MPO351368  
diameter diameter 9.431 km 0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74461 (1999 CB34)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CB34 = 2001 QG11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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