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JPL Small-Body Database Browser
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(2019 JF1)
Classification: Apollo [NEO]          SPK-ID: 3841705
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2254483463649595 2.8695e-06  
a 1.265917122296736 4.2351e-06 au
q .9805182004398488 3.5269e-07 au
i 1.581610807518147 1.7355e-05 deg
node 269.09165599 5.7291e-05 deg
peri 58.22330065427021 7.6854e-05 deg
M 108.4657908639782 0.0023415 deg
tp 2459239.753943184022
(2021-Jan-25.25394318)
0.0025972 TDB
period 520.2431107934912
1.42
0.0026107
7.148e-06
d
yr
n .6919841753424023 3.4725e-06 deg/d
Q 1.551316044153624 5.1899e-06 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      183 days  
   first obs. used      2019-05-01  
   last obs. used      2019-10-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .51815  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:14:58  

Additional Information
 Earth MOID = .0102297 au 
 Jupiter MOID = 3.7467 au 
 T_jup = 5.071 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458667.5 (2019-Jul-03.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2254077340497075 2.8694e-06  
q .9804866058218881 3.4573e-07 au
tp 2458719.666379311767
(2019-Aug-24.16637931)
2.5915e-05 TDB
node 271.58427752395 0.00010712 deg
peri 55.90230206269791 6.7077e-05 deg
i 1.589982367866167 1.7098e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      183 days  
   first obs. used      2019-05-01  
   last obs. used      2019-10-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .51815  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:14:58  

Additional Information
 Jupiter MOID = 3.7467 au 
 T_jup = 5.071 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.233265180487397E-12 -9.908043615190204E-13 -6.477636976003233E-11 -2.546423763362645E-10 8.244319753908356E-11 4.873650655576945E-11
q -9.908043615190204E-13 1.195299478297465E-13 7.634207604979958E-12 3.063358299774894E-11 -1.004217345639405E-11 -5.856768091580559E-12
tp -6.477636976003233E-11 7.634207604979958E-12 6.715703025242933E-10 2.023805669652844E-9 -5.36202816421418E-10 -3.913142267330575E-10
node -2.546423763362645E-10 3.063358299774894E-11 2.023805669652844E-9 1.147570412771303E-8 -6.131491939332056E-9 -1.567776126145706E-9
peri 8.244319753908356E-11 -1.004217345639405E-11 -5.36202816421418E-10 -6.131491939332056E-9 4.499294567885835E-9 5.420755888690979E-10
i 4.873650655576945E-11 -5.856768091580559E-12 -3.913142267330575E-10 -1.567776126145706E-9 5.420755888690979E-10 2.923381481344312E-10

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 23.7   .44183 MPO504265 autocmod 2.8

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