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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0668046196773024 5.9563e-08  
a 3.134294199602666 2.0637e-08 au
q 2.924908867641435 1.8787e-07 au
i 22.77850761237238 5.5005e-06 deg
node 74.79447663275866 1.1649e-05 deg
peri 131.7047320230163 4.0105e-05 deg
M 51.00991684450973 3.5076e-05 deg
tp 2458913.316039747500
(2020-Mar-04.81603975)
0.00019856 TDB
period 2026.786791400689
5.55
2.0018e-05
5.481e-08
d
yr
n .1776210509795202 1.7543e-09 deg/d
Q 3.343679531563897 2.2016e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1185  
   data-arc span      8122 days (22.24 yr)  
   first obs. used      1998-05-23  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49842  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:47:43  

Additional Information
 Earth MOID = 1.9477 au 
 Jupiter MOID = 1.75989 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 13.81   n/a E2021B10  
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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