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JPL Small-Body Database Browser
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(2021 FK)
Classification: Apollo [NEO]          SPK-ID: 54132068
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5323823560908588 0.00080125  
a 2.11548033762355 0.0035986 au
q .989235931215639 1.2286e-05 au
i 1.971900327424444 0.0023883 deg
node 164.0538013371067 0.00090573 deg
peri 44.40759634250818 0.0056426 deg
M 25.08158834136699 0.063588 deg
tp 2459318.199515133668
(2021-Apr-13.69951513)
0.0012961 TDB
period 1123.859229656069
3.08
2.8677
0.007851
d
yr
n .3203248151551592 0.00081735 deg/d
Q 3.241724744031461 0.0055144 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      7 days  
   first obs. used      2021-03-18  
   last obs. used      2021-03-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .38841  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:26:48  

Additional Information
 Earth MOID = .016768 au 
 Jupiter MOID = 1.71866 au 
 T_jup = 3.539 
[ 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 25.43   .24939 E2021-FB9 autocmod 2.9c

[ 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
2021-Mar-27 05:18 < 00:01 Earth 0.0234871868179359 0.0233948639675351 0.0235795073808728 8.4964044484303 8.48304194517204 2459300.720938344 0.104728747487399 4589.15487183872 9.76000394446023 -0.0504456178605581 466.424790229111 T 6 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:49 2021-Apr-15 23:26
2024-Jun-15 12:17 9_13:24 Earth 0.278134486617469 0.136250660832359 0.421474906487739 16.8786407352947 16.878073154949 2460477.012065567 13763.8560032189 7182062.21096504 225.211817263168 -6.91148208056827 19514.4346948147 T 6 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:49 2021-Apr-15 23:26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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