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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7457446150139512 2.6231e-07  
a 2.079595779882609 1.3204e-08 au
q .5287484256294153 5.4637e-07 au
i 2.547171204589294 1.8245e-05 deg
node 106.0452358644158 0.00043611 deg
peri 30.02421472155343 0.00045035 deg
M 31.1046910801159 3.0504e-06 deg
tp 2459301.856627001691
(2021-Mar-28.35662700)		 9.381e-06 TDB
period 1095.385072034107
3.00		 1.0432e-05
2.856e-08		 d
yr
n .3286515483833347 3.1301e-09 deg/d
Q 3.630443134135803 2.3051e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 2.596769318553394E-13 4.627E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
   Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      2215 days (6.06 yr)  
   first obs. used      2015-05-20  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37976  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-13 08:25:55  

Additional Information
 Earth MOID = .035964 au 
 Jupiter MOID = 1.42728 au 
 T_jup = 3.344 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ show covariance matrix ]

[ 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 22.5   n/a E2021M50  

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