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(2020 JK1)
Classification: Apollo [NEO]          SPK-ID: 54016996
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2573960674579249 0.0002326  
a 1.355827314893611 0.00042614 au
q 1.006842695887957 1.2366e-06 au
i 4.874666736183359 0.0035507 deg
node 231.2279583805392 4.5979e-05 deg
peri 340.3340806222675 0.0024794 deg
M 23.20674041571327 0.013441 deg
tp 2458963.327939175566
(2020-Apr-23.82793918)
0.0040114 TDB
period 576.6403060955276
1.58
0.27186
0.0007443
d
yr
n .6243059949062276 0.00029433 deg/d
Q 1.704811933899264 0.00053583 au
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      9 days  
   first obs. used      2020-05-14  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .48513  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-23 06:20:58  

Additional Information
 Earth MOID = .00742625 au 
 Jupiter MOID = 3.26248 au 
 T_jup = 4.821 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458987.5 (2020-May-18.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2581720617986699 0.00023146  
q 1.006685298245771 1.4785e-06 au
tp 2458963.297225307908
(2020-Apr-23.79722531)
0.004086 TDB
node 231.2627542722534 7.7461e-05 deg
peri 340.2529606713785 0.0026624 deg
i 4.889789409366479 0.0035243 deg
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      9 days  
   first obs. used      2020-05-14  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .48513  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-23 06:20:58  

Additional Information
 Jupiter MOID = 3.26248 au 
 T_jup = 4.821 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.357160040724295E-8 3.149624058102618E-10 9.436443822467474E-7 -1.509255618180297E-8 6.109486344316256E-7 8.157109017172025E-7
q 3.149624058102618E-10 2.186108036576034E-12 5.704633371851288E-9 -1.119295481535724E-10 3.792863896924877E-9 4.789161338694761E-9
tp 9.436443822467474E-7 5.704633371851288E-9 1.669564562041539E-5 -2.766505787680959E-7 1.085600065494728E-5 1.436529206662856E-5
node -1.509255618180297E-8 -1.119295481535724E-10 -2.766505787680959E-7 6.000133453132499E-9 -1.861272462202001E-7 -2.292657414960285E-7
peri 6.109486344316256E-7 3.792863896924877E-9 1.085600065494728E-5 -1.861272462202001E-7 7.088485218861271E-6 9.298521940949736E-6
i 8.157109017172025E-7 4.789161338694761E-9 1.436529206662856E-5 -2.292657414960285E-7 9.298521940949736E-6 1.242070601349299E-5

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 27.504   .40349 8 autocmod 2.8

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