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JPL Small-Body Database Browser
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19495 Terentyeva (1998 KZ8)
Classification: Main-belt Asteroid          SPK-ID: 2019495
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07028511539397712 4.4401e-08  
a 2.549513903318867 1.1881e-08 au
q 2.370321024425551 1.1518e-07 au
i 15.95184428206096 5.1134e-06 deg
node 96.29988068793494 1.6069e-05 deg
peri 322.6799461671426 3.8021e-05 deg
M 325.4373980647724 3.5367e-05 deg
tp 2459143.254048148764
(2020-Oct-20.75404815)
0.00014623 TDB
period 1486.909389225551
4.07
1.0394e-05
2.846e-08
d
yr
n .2421129374853865 1.6924e-09 deg/d
Q 2.728706782212183 1.2716e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1726  
   data-arc span      16085 days (44.04 yr)  
   first obs. used      1975-12-06  
   last obs. used      2019-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45745  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:49:29  

Additional Information
 Earth MOID = 1.39992 au 
 Jupiter MOID = 2.51713 au 
 T_jup = 3.384 
[ 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 13.0   n/a MPO439228  
diameter diameter 5.958 km 0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.33 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Kim, M.-J.; Choi, Y.-J.; Moon, H.-K.; Byun, Y.-I.; et al. (2014) Astron. J. 147, A56.]
geometric albedo albedo 0.377   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19495 Terentyeva           Discovered 1998 May 23 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Alexandra K. Terentyeva (b. 1933) has been a meteor astronomer for more than 50 years at the Institute of Astronomy of the Russian Academy of Sciences. Her achievements include contributing new understanding of the dynamics of meteoroid streams and publishing a catalogue of minor streams.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-07-12Last Updated: 2014-08-13

Alternate Designations
 1998 KZ8 = 1975 XT6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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