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(2015 KJ19)
Classification: Apollo [NEO]          SPK-ID: 3719475
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7456860719671724 7.8752e-07  
a 2.078714482771256 9.826e-09 au
q .5286460453722857 1.6385e-06 au
i 2.540534603798589 3.5994e-05 deg
node 106.2484117072058 0.0008135 deg
peri 29.80699827884554 0.00088596 deg
M 326.6677407401625 1.3945e-05 deg
tp 2459301.856811513296
(2021-Mar-28.35681151)
4.2255e-05 TDB
period 1094.688837631597
3.00
7.7618e-06
2.125e-08
d
yr
n .3288605744613916 2.3318e-09 deg/d
Q 3.628782920170226 1.7153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      1097 days (3.00 yr)  
   first obs. used      2015-05-20  
   last obs. used      2018-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48123  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-22 06:24:23  

Additional Information
 Earth MOID = .0359626 au 
 Jupiter MOID = 1.42904 au 
 T_jup = 3.345 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457393.5 (2016-Jan-06.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7450517384498228 7.8173e-07  
q .5299194873356632 1.6241e-06 au
tp 2457112.146019344928
(2015-Mar-30.64601934)
3.5094e-05 TDB
node 106.3821591805346 0.00081587 deg
peri 29.67245983517493 0.00088853 deg
i 2.536338193504767 3.6006e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      1097 days (3.00 yr)  
   first obs. used      2015-05-20  
   last obs. used      2018-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48123  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-22 06:24:23  

Additional Information
 Jupiter MOID = 1.42904 au 
 T_jup = 3.345 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.111083912269133E-13 -1.269627085122219E-12 2.572713855521141E-11 2.898121418437556E-10 -4.065825021033832E-10 -1.544935115130324E-11
q -1.269627085122219E-12 2.637754455160312E-12 -5.3445413417721E-11 -6.019652533702793E-10 8.445745643887138E-10 3.208850692361014E-11
tp 2.572713855521141E-11 -5.3445413417721E-11 1.23155949688999E-9 1.499095396888654E-8 -1.968955041752781E-8 -8.295233340414238E-10
node 2.898121418437556E-10 -6.019652533702793E-10 1.499095396888654E-8 6.656476685400199E-7 -7.162452666459651E-7 -2.870829020395567E-8
peri -4.065825021033832E-10 8.445745643887138E-10 -1.968955041752781E-8 -7.162452666459651E-7 7.894838807924469E-7 3.136766922895797E-8
i -1.544935115130324E-11 3.208850692361014E-11 -8.295233340414238E-10 -2.870829020395567E-8 3.136766922895797E-8 1.296461448770677E-9

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.4   n/a MPO448402  

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