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186939 (2004 QK1)
Classification: Main-belt Asteroid          SPK-ID: 2186939
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08518952718806704 4.2326e-08  
a 2.928611290181823 2.1946e-08 au
q 2.679124279053598 1.1827e-07 au
i 1.746028187076402 4.1519e-06 deg
node 181.8454392692034 0.00013335 deg
peri 106.8225730363978 0.00013557 deg
M 134.4130187392163 2.5443e-05 deg
tp 2458517.013628265956
(2019-Feb-02.51362827)
0.00012815 TDB
period 1830.589745935578
5.01
2.0577e-05
5.634e-08
d
yr
n .1966579353999447 2.2105e-09 deg/d
Q 3.178098301310047 2.3816e-08 au
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      6904 days (18.90 yr)  
   first obs. used      2002-02-11  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56306  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:19  

Additional Information
 Earth MOID = 1.66154 au 
 Jupiter MOID = 1.94477 au 
 T_jup = 3.271 
[ 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 15.78   n/a MPCxxxxx  

186939 (2004 QK1)          Discovered 2004-Aug-19 by Ferrando, R. at Pla D'Arguines
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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