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(2021 BR1)
Classification: Apollo [NEO]          SPK-ID: 54106532
[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02409473938212302 0.00072416  
a 1.039484362053436 0.00012863 au
q 1.014438257257966 0.00083121 au
i 8.300861293708971 0.01493 deg
node 296.3344410845957 0.0014222 deg
peri 283.3546617902321 0.048049 deg
M 45.4547910871833 0.075765 deg
tp 2458951.623226121194
(2020-Apr-12.12322612)		 0.084548 TDB
period 387.1019572528945
1.06		 0.07185
0.0001967		 d
yr
n .9299875478666497 0.00017261 deg/d
Q 1.064530466848906 0.00013172 au
   Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      1 day  
   first obs. used      2021-01-18  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .44508  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-19 07:42:02  

Additional Information
 Earth MOID = .0169399 au 
 Jupiter MOID = 3.91095 au 
 T_jup = 5.890 
[ 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 26.5   .29367 E2021B84 autocmod 2.8

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