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(2018 CF2)
Classification: Apollo [NEO]          SPK-ID: 3799280
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .506181790612646 0.00026408  
a 1.836926233439395 0.00093078 au
q .9071076233736987 2.549e-05 au
i 16.30424218029442 0.005885 deg
node 137.5933588589614 0.00025043 deg
peri 320.33846797004 0.0022404 deg
M 345.8954272496208 0.26596 deg
tp 2459036.128163444368
(2020-Jul-05.62816344)
0.69889 TDB
period 909.3603235608477
2.49
0.69117
0.001892
d
yr
n .3958826778260152 0.00030089 deg/d
Q 2.766744843505091 0.0014019 au
  Orbit Determination Parameters
   # obs. used (total)      40  
   data-arc span      2 days  
   first obs. used      2018-02-07  
   last obs. used      2018-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .67702  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-10 13:42:03  

Additional Information
 Earth MOID = .0024161 au 
 Jupiter MOID = 2.49821 au 
 T_jup = 3.816 
[ 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 28.0   n/a MPO435639  

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2018-Feb-06 19:16 < 00:01 Earth 0.000649786252905015 0.000648918219545844 0.000650654226850632 13.5409237117996 13.2346333589166 2458156.302611533 0.239392505189902 42.132538179508 1.53515231674087 -9.94118583606587 3368.08875530526 T 1 CATAB v2.0e-lin.ifort 2018-Feb-10 13:42:06 2018-Dec-11 17:19
2018-Feb-06 22:46 < 00:01 Moon 0.00203784733794025 0.00203752490435705 0.0020381702544512 13.9307210222692 13.9295665286793 2458156.448410477 0.30050978416569 52.2091453055362 1.42880075418073 -72.0942044419472 145192.673255181 T 1 CATAB v2.0e-lin.ifort 2018-Feb-10 13:42:06 2018-Dec-11 17:19
2023-Jan-23 22:00 9_20:02 Earth 0.111355542142772 0.0614789805215141 0.178727977318927 11.6664094190374 11.6643582498363 2459968.417004820 14161.7229079571 3685365.31937545 153.60968414563 31.177358959177 54410.1787925869 T 1 CATAB v2.0e-lin.ifort 2018-Feb-10 13:42:06 2018-Dec-11 17:19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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