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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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1363081545728659 3.9665e-08  
a 2.382769617483483 9.4768e-09 au
q 2.057978688152016 9.4353e-08 au
i 4.115916294082125 4.6387e-06 deg
node 331.0482556035237 5.3241e-05 deg
peri 344.3451295035818 5.5941e-05 deg
M 98.21263406445725 1.547e-05 deg
tp 2458633.989546646903
(2019-May-30.48954665)
5.8258e-05 TDB
period 1343.449999727324
3.68
8.0148e-06
2.194e-08
d
yr
n .267966801945043 1.5986e-09 deg/d
Q 2.70756054681495 1.0769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1658  
   data-arc span      25705 days (70.38 yr)  
   first obs. used      1949-08-21  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49604  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:49:09  

Additional Information
 Earth MOID = 1.04471 au 
 Jupiter MOID = 2.55638 au 
 T_jup = 3.521 
[ 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 14.0   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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