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JPL Small-Body Database Browser
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52749 (1998 KN8)
Classification: Main-belt Asteroid          SPK-ID: 2052749
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0667100802510943 8.1447e-08  
a 3.133760257982982 2.5936e-08 au
q 2.924706859685247 2.6483e-07 au
i 22.78212775600226 6.5702e-06 deg
node 74.7950910302349 1.5053e-05 deg
peri 131.1748867720938 4.8541e-05 deg
M 304.8879517518022 4.7763e-05 deg
tp 2458910.699526761371
(2020-Mar-02.19952676)
0.00026921 TDB
period 2026.268904599189
5.55
2.5155e-05
6.887e-08
d
yr
n .1776664485068485 2.2056e-09 deg/d
Q 3.342813656280716 2.7666e-08 au
  Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      7653 days (20.95 yr)  
   first obs. used      1998-05-23  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5322  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:47:49  

Additional Information
 Earth MOID = 1.94956 au 
 Jupiter MOID = 1.7626 au 
 T_jup = 3.088 
[ 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 13.8   n/a MPO474412  
diameter diameter 11.004 km 0.266 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52749 (1998 KN8)          Discovered 1998-May-23 by LONEOS at Anderson Mesa
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KN8 = 2000 TS59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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