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(2021 BF1)
Classification: Apollo [NEO]          SPK-ID: 54106339
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 2459232.5 (2021-Jan-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8285674356605607 0.0066343  
a 2.572606157312098 0.083211 au
q .441028470583444 0.0028046 au
i 8.949530544341807 0.10855 deg
node 111.2247600128202 0.0012324 deg
peri 111.9700960591928 0.032603 deg
M 348.4704665839321 0.6141 deg
tp 2459280.768923762340
(2021-Mar-07.26892376)
0.22905 TDB
period 1507.156614874424
4.13
73.124
0.2002
d
yr
n .2388603788399224 0.011589 deg/d
Q 4.704183844040752 0.15216 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      1 day  
   first obs. used      2021-01-17  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .36213  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-18 15:12:03  

Additional Information
 Earth MOID = .0247652 au 
 Jupiter MOID = .668751 au 
 T_jup = 2.800 
[ 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 24.3   .36097 E2021B69 autocmod 2.8

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