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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .191843082172363 0.00034264  
a 1.233447106166889 0.00050973 au
q .9968188116232515 1.1166e-05 au
i 3.523877225345576 0.0053462 deg
node 3.531669277572244 0.00049451 deg
peri 203.3443943279094 0.010003 deg
M 274.3095565671977 0.049026 deg
tp 2459319.599273397185
(2021-Apr-15.09927340)
0.0059699 TDB
period 500.3561273038484
1.37
0.31016
0.0008492
d
yr
n .7194875416832557 0.000446 deg/d
Q 1.470075400710527 0.00060752 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 = .00791916 au 
 Jupiter MOID = 3.4892 au 
 T_jup = 5.172 
[ 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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