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JPL Small-Body Database Browser
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(2020 FF4)
Classification: Apollo [NEO]          SPK-ID: 54016341
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04151597544402105 2.0057e-05  
a 1.028885243349779 1.5916e-05 au
q .986170068852154 5.5498e-06 au
i 6.761138472122662 0.0023409 deg
node 181.9850563265889 0.0003058 deg
peri 58.513328161213 0.0023673 deg
M 11.22312107276745 0.0021959 deg
tp 2458988.616072823938
(2020-May-19.11607282)
0.0025193 TDB
period 381.19643864158
1.04
0.0088453
2.422e-05
d
yr
n .9443949720067821 2.1914e-05 deg/d
Q 1.071600417847404 1.6577e-05 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      3 days  
   first obs. used      2020-03-24  
   last obs. used      2020-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .43906  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-27 05:58:56  

Additional Information
 Earth MOID = .00783058 au 
 Jupiter MOID = 3.89573 au 
 T_jup = 5.940 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458933.5 (2020-Mar-25.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04141915801548961 2.0263e-05  
q .9873834787716702 6.2308e-06 au
tp 2458986.759488162516
(2020-May-17.25948816)
0.0018632 TDB
node 182.2717503923637 3.4536e-05 deg
peri 56.28396582270931 0.0021409 deg
i 6.944529458272434 0.0022184 deg
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      3 days  
   first obs. used      2020-03-24  
   last obs. used      2020-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .43906  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-27 05:58:56  

Additional Information
 Jupiter MOID = 3.89573 au 
 T_jup = 5.940 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.105824007336053E-10 -1.241859632483391E-10 2.845718764246536E-9 2.430703527531616E-10 1.757529985638445E-8 4.480379327235879E-8
q -1.241859632483391E-10 3.8822259357904E-11 -2.939720200509369E-9 -4.430426227045181E-11 -7.507646266438865E-9 -1.34151847505065E-8
tp 2.845718764246536E-9 -2.939720200509369E-9 3.471690263938394E-6 -4.484001119875703E-8 3.758049503239491E-6 1.045873895969471E-7
node 2.430703527531616E-10 -4.430426227045181E-11 -4.484001119875703E-8 1.192766792050007E-9 -3.910756744603101E-8 3.178011093130969E-8
peri 1.757529985638445E-8 -7.507646266438865E-9 3.758049503239491E-6 -3.910756744603101E-8 4.583295495733489E-6 1.697584422671609E-6
i 4.480379327235879E-8 -1.34151847505065E-8 1.045873895969471E-7 3.178011093130969E-8 1.697584422671609E-6 4.921452292813274E-6

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 27.841   .34736 4 autocmod 2.8

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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