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(2020 EF)
Classification: Aten [NEO]          SPK-ID: 54013540
[ 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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147516374541316 0.00019511  
a .959498189080195 3.3907e-05 au
q .8493942007489687 0.00021722 au
i 6.855917806824915 0.012094 deg
node 352.5489204308502 0.00070729 deg
peri 319.3620462639832 0.0091175 deg
M 161.6388995429499 0.042476 deg
tp 2459046.362592456858
(2020-Jul-15.86259246)		 0.032337 TDB
period 343.2927771250172
0.94		 0.018197
4.982e-05		 d
yr
n 1.048667563048956 5.5588e-05 deg/d
Q 1.069602177411421 3.7798e-05 au
   Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      18 days  
   first obs. used      2020-03-05  
   last obs. used      2020-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .42893  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:20:36  

Additional Information
 Earth MOID = .0316656 au 
 Jupiter MOID = 4.03814 au 
 T_jup = 6.270 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458927.5 (2020-Mar-19.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1150153903221575 0.00019351  
q .8485922636286007 0.00021409 au
tp 2459046.566163123134
(2020-Jul-16.06616312)		 0.033795 TDB
node 352.6675094823539 0.0011894 deg
peri 319.5452617908309 0.010612 deg
i 6.8789536482874 0.012022 deg
   Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      18 days  
   first obs. used      2020-03-05  
   last obs. used      2020-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .42893  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:20:36  

Additional Information
 Jupiter MOID = 4.03814 au 
 T_jup = 6.270 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.744495945814055E-8 -4.142804349814993E-8 -6.539220206805116E-6 -2.301352015804362E-7 -2.051582671293817E-6 2.326429129946085E-6
q -4.142804349814993E-8 4.583514493229778E-8 7.234602629421408E-6 2.546203409417678E-7 2.269559481323047E-6 -2.573895327053339E-6
tp -6.539220206805116E-6 7.234602629421408E-6 .001142113007955215 4.018604901881698E-5 .0003584416846591239 -.0004062758637792041
node -2.301352015804362E-7 2.546203409417678E-7 4.018604901881698E-5 1.41472660544809E-6 1.26042761484121E-5 -1.429815055988164E-5
peri -2.051582671293817E-6 2.269559481323047E-6 .0003584416846591239 1.26042761484121E-5 .0001126040202463602 -.0001274622786399347
i 2.326429129946085E-6 -2.573895327053339E-6 -.0004062758637792041 -1.429815055988164E-5 -.0001274622786399347 .0001445399784868231

[ 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 26.2   .39007 E2020-FA7 autocmod 2.8

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