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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1363081565572995 3.9293e-08  
a 2.382769616481632 9.0361e-09 au
q 2.057978682558277 9.3122e-08 au
i 4.115915824874507 4.4446e-06 deg
node 331.0482526726683 5.1952e-05 deg
peri 344.3451348925604 5.4289e-05 deg
M 98.21263225005366 1.4647e-05 deg
tp 2458633.989553649057
(2019-May-30.48955365)
5.4994e-05 TDB
period 1343.449998880031
3.68
7.6421e-06
2.092e-08
d
yr
n .2679668021140455 1.5243e-09 deg/d
Q 2.707560550404986 1.0268e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1790  
   data-arc span      26018 days (71.23 yr)  
   first obs. used      1949-08-21  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49352  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:00:03  

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. 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:
[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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