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(2021 FA1)
Classification: Apollo [NEO]          SPK-ID: 54132109
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1881026161486419 0.00035489  
a 1.225464555354151 0.00052996 au
q .9949514664946034 5.8209e-06 au
i 3.401962230023201 0.0057827 deg
node 2.970747772927065 0.0023233 deg
peri 205.4087150810922 0.0021477 deg
M 54.88308733009394 0.034824 deg
tp 2459320.958502207604
(2021-Apr-16.45850221)
0.0021428 TDB
period 495.5067312758598
1.36
0.32143
0.00088
d
yr
n .7265289798849974 0.00047129 deg/d
Q 1.4559776442137 0.00062965 au
  Orbit Determination Parameters
   # obs. used (total)      19  
   data-arc span      5 days  
   first obs. used      2021-03-18  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .37542  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:26:51  

Additional Information
 Earth MOID = .00862013 au 
 Jupiter MOID = 3.50311 au 
 T_jup = 5.198 
[ 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 28.77   .31248 MPO606253 autocmod 2.9c

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