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JPL Small-Body Database Browser
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357490 (2004 KN9)
Classification: Main-belt Asteroid          SPK-ID: 2357490
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2756948464435772 7.6574e-08  
a 2.780185483587419 4.1114e-08 au
q 2.013702673605123 2.1981e-07 au
i 8.534847919818086 1.6016e-05 deg
node 40.53444932078006 4.5132e-05 deg
peri 229.8296199107503 5.7292e-05 deg
M 63.63314268151083 4.0287e-05 deg
tp 2458301.211550967700
(2018-Jul-01.71155097)
0.00018447 TDB
period 1693.203213157252
4.64
3.7559e-05
1.028e-07
d
yr
n .212614763073076 4.7163e-09 deg/d
Q 3.546668293569715 5.2449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      5671 days (15.53 yr)  
   first obs. used      2004-05-19  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67869  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 23:21:57  

Additional Information
 Earth MOID = 1.00992 au 
 Jupiter MOID = 1.6269 au 
 T_jup = 3.261 
[ 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 16.8   n/a MPO264885  

357490 (2004 KN9)          Discovered 2004-May-19 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2004 KN9 = 2005 UZ87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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