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74487 (1999 CE105)
Classification: Outer Main-belt Asteroid          SPK-ID: 2074487
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02505144083848291 5.236e-08  
a 3.369790808648626 3.0209e-08 au
q 3.285372693567702 1.8307e-07 au
i 20.91144898068098 5.6348e-06 deg
node 279.4800113663715 1.2632e-05 deg
peri 3.503512412238418 0.00012514 deg
M 76.96293414222457 0.00012065 deg
tp 2458913.461269142378
(2020-Mar-04.96126914)
0.00076034 TDB
period 2259.450540014426
6.19
3.0383e-05
8.318e-08
d
yr
n .1593307725150299 2.1425e-09 deg/d
Q 3.454208923729551 3.0966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1892  
   data-arc span      8606 days (23.56 yr)  
   first obs. used      1997-12-06  
   last obs. used      2021-06-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39568  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:55:15  

Additional Information
 Earth MOID = 2.26878 au 
 Jupiter MOID = 1.70744 au 
 T_jup = 3.047 
[ 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 12.48   n/a E2021B10  
diameter diameter 17.178 km 0.271 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 12.2645 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.074   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74487 (1999 CE105)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CE105 = 2002 NS32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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