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17862 (1998 KT28)
Classification: Main-belt Asteroid          SPK-ID: 2017862
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09495527998468943 4.3506e-08  
a 3.055008639824084 1.6847e-08 au
q 2.764919439073943 1.3058e-07 au
i 9.450546028042105 5.1512e-06 deg
node 207.2862456780391 1.9712e-05 deg
peri 205.1395596255975 2.7451e-05 deg
M 153.1173931650494 1.9195e-05 deg
tp 2457770.956591291511
(2017-Jan-17.45659129)
0.00010292 TDB
period 1950.37037244455
5.34
1.6133e-05
4.417e-08
d
yr
n .1845803264273258 1.5268e-09 deg/d
Q 3.345097840574225 1.8447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1666  
   data-arc span      13510 days (36.99 yr)  
   first obs. used      1982-05-15  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49064  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:33:27  

Additional Information
 Earth MOID = 1.77781 au 
 Jupiter MOID = 2.05056 au 
 T_jup = 3.208 
[ 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 13.1   n/a MPO435865  
diameter diameter 8.741 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.371 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.160   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17862 (1998 KT28)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KT28 = 1982 JA3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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