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(2021 BY1)
Classification: Apollo [NEO]          SPK-ID: 54106540
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 .7424726330495064 0.0011114  
a 2.442551939187867 0.0093714 au
q .6290239695388736 0.00030133 au
i 9.163651224453 0.012352 deg
node 297.5261729805336 3.7238e-05 deg
peri 97.55316568056831 0.00072884 deg
M 11.55888810753722 0.074121 deg
tp 2459187.730968736350
(2020-Dec-04.23096874)
0.029431 TDB
period 1394.325397475269
3.82
8.0244
0.02197
d
yr
n .2581893729052477 0.0014859 deg/d
Q 4.256079908836861 0.016329 au
  Orbit Determination Parameters
   # obs. used (total)      16  
   data-arc span      2 days  
   first obs. used      2021-01-17  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .40305  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-19 14:42:02  

Additional Information
 Earth MOID = .00347342 au 
 Jupiter MOID = 1.46454 au 
 T_jup = 3.037 
[ 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 28.73   .41614 E2021B84 autocmod 2.8

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