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15481 (1999 CK19)
Classification: Main-belt Asteroid          SPK-ID: 2015481
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .136308155545795 3.933e-08  
a 2.382769617247492 9.138e-09 au
q 2.057978685629927 9.327e-08 au
i 4.115915908035741 4.4838e-06 deg
node 331.0482534870248 5.2313e-05 deg
peri 344.3451322118598 5.4736e-05 deg
M 98.21263360915319 1.4847e-05 deg
tp 2458633.989548400458
(2019-May-30.48954840)
5.579e-05 TDB
period 1343.449999527741
3.68
7.7283e-06
2.116e-08
d
yr
n .2679668019848522 1.5415e-09 deg/d
Q 2.707560548865058 1.0384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1776  
   data-arc span      26004 days (71.20 yr)  
   first obs. used      1949-08-21  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49468  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:33:22  

Additional Information
 Earth MOID = 1.04471 au 
 Jupiter MOID = 2.55638 au 
 T_jup = 3.521 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456761.5 (2014-Apr-14.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1367870789914513 3.9288e-08  
q 2.056468242667384 9.323e-08 au
tp 2457291.911180788835
(2015-Sep-26.41118079)
5.766e-05 TDB
node 331.1302287871467 5.2288e-05 deg
peri 344.5805133177543 5.4698e-05 deg
i 4.117388964128359 4.4856e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1776  
   data-arc span      26004 days (71.20 yr)  
   first obs. used      1949-08-21  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49468  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:33:22  

Additional Information
 Jupiter MOID = 2.55638 au 
 T_jup = 3.521 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.543523307250503E-15 -3.649484117883255E-15 4.923769209429048E-13 -1.959125168997176E-15 1.086113703623122E-13 -1.412581943165593E-15
q -3.649484117883255E-15 8.691796592623608E-15 -1.330858472577538E-12 3.53832556260596E-15 -3.091879007388276E-13 3.554100245391889E-15
tp 4.923769209429048E-13 -1.330858472577538E-12 3.324728000134427E-9 5.253904889539498E-12 9.369669416905499E-10 -1.711296660954274E-12
node -1.959125168997176E-15 3.53832556260596E-15 5.253904889539498E-12 2.734022060794298E-9 -2.724414932215269E-9 4.102394994596015E-11
peri 1.086113703623122E-13 -3.091879007388276E-13 9.369669416905499E-10 -2.724414932215269E-9 2.991915338221515E-9 -4.139121403717797E-11
i -1.412581943165593E-15 3.554100245391889E-15 -1.711296660954274E-12 4.102394994596015E-11 -4.139121403717797E-11 2.012018068777121E-11

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 MPO449063  
diameter diameter 4.664 km 0.498 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.010 h n/a LCDB (Rev. 2019-August); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.269   0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15481 (1999 CK19)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 CK19 = 1949 QQ2 = 1974 HK2 = 1986 RR10 = 1992 EP32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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