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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09198450664008624 4.101e-08  
a 3.061828417109741 1.6711e-08 au
q 2.780187640745305 1.2328e-07 au
i 9.433157465058789 4.8505e-06 deg
node 207.0382093382916 1.8824e-05 deg
peri 205.1622291843781 2.6606e-05 deg
M 263.7648551169543 1.9552e-05 deg
tp 2459723.619494609863
(2022-May-24.11949461)
0.00010764 TDB
period 1956.904811526175
5.36
1.6021e-05
4.386e-08
d
yr
n .1839639812215693 1.5061e-09 deg/d
Q 3.343469193474177 1.8248e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1868  
   data-arc span      13996 days (38.32 yr)  
   first obs. used      1982-05-15  
   last obs. used      2020-09-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48025  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:15:47  

Additional Information
 Earth MOID = 1.79259 au 
 Jupiter MOID = 2.05396 au 
 T_jup = 3.206 
[ 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 13.13   n/a E2021B10  
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. 2020-October); 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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