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18025 (1999 KF5)
Classification: Main-belt Asteroid          SPK-ID: 2018025
[ 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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1727399778588215 3.9521e-08  
a 2.515988425600998 7.1773e-09 au
q 2.08137664066963 9.987e-08 au
i 3.979825400938697 2.9829e-06 deg
node 65.61742226563375 5.6315e-05 deg
peri 327.4286327102132 5.6952e-05 deg
M 357.153972987383 9.1158e-06 deg
tp 2459212.023858108033
(2020-Dec-28.52385811)		 3.6911e-05 TDB
period 1457.677281522729
3.99		 6.2374e-06
1.708e-08		 d
yr
n .2469682450040892 1.0568e-09 deg/d
Q 2.950600210532365 8.4171e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2160  
   data-arc span      10868 days (29.75 yr)  
   first obs. used      1991-06-03  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46451  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:20:19  

Additional Information
 Earth MOID = 1.08792 au 
 Jupiter MOID = 2.48128 au 
 T_jup = 3.435 
[ 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 14.17   n/a E2021B10  
diameter diameter 4.110 km 0.272 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.288   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18025 (1999 KF5)          Discovered 1999-May-18 by Spacewatch at Kitt Peak
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 KF5 = 2000 QZ61 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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