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392487 (2011 JK10)
Classification: Main-belt Asteroid          SPK-ID: 2392487
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500701643580866 4.4409e-08  
a 2.218657767950727 1.6606e-08 au
q 1.885703432060016 9.8727e-08 au
i 4.495074013103987 5.6424e-06 deg
node 348.3691528202044 5.3842e-05 deg
peri 299.7973571368587 5.7302e-05 deg
M 216.2242543432199 1.899e-05 deg
tp 2459482.577686057876
(2021-Sep-25.07768606)
6.3871e-05 TDB
period 1207.074017860616
3.30
1.3552e-05
3.71e-08
d
yr
n .2982418597975077 3.3484e-09 deg/d
Q 2.551612103841439 1.9098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      5801 days (15.88 yr)  
   first obs. used      2004-02-16  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53882  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 09:58:41  

Additional Information
 Earth MOID = .874419 au 
 Jupiter MOID = 2.61413 au 
 T_jup = 3.632 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457351.5 (2015-Nov-25.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1504702289175467 4.4387e-08  
q 1.884609009909798 9.8736e-08 au
tp 2457068.787510129668
(2015-Feb-15.28751013)
6.7242e-05 TDB
node 348.4110588935083 5.38e-05 deg
peri 299.8149279458229 5.7251e-05 deg
i 4.497503525027733 5.6444e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      5801 days (15.88 yr)  
   first obs. used      2004-02-16  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53882  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 09:58:41  

Additional Information
 Jupiter MOID = 2.61413 au 
 T_jup = 3.632 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.970224753185861E-15 -4.337997184290874E-15 1.046981726386594E-12 -1.928500451746039E-14 2.807180096203117E-13 -3.656351282841299E-15
q -4.337997184290874E-15 9.748874113925211E-15 -2.634355925251759E-12 4.103925275163671E-14 -7.009456179885583E-13 8.160519809019897E-15
tp 1.046981726386594E-12 -2.634355925251759E-12 4.521526801055098E-9 -7.393685143428053E-12 1.328135226150221E-9 -7.038447978422116E-12
node -1.928500451746039E-14 4.103925275163671E-14 -7.393685143428053E-12 2.894387512243384E-9 -2.885896732130294E-9 1.983440498179048E-12
peri 2.807180096203117E-13 -7.009456179885583E-13 1.328135226150221E-9 -2.885896732130294E-9 3.27765243843495E-9 -3.904177470254504E-12
i -3.656351282841299E-15 8.160519809019897E-15 -7.038447978422116E-12 1.983440498179048E-12 -3.904177470254504E-12 3.185952309983401E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO418999  

392487 (2011 JK10)          Discovered 2004-Feb-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2011 JK10 = 2014 DD123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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