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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02516525209260246 0.0007234  
a 1.039627096751579 0.00012245 au
q 1.013464618779525 0.0008219 au
i 8.301235097872835 0.014957 deg
node 296.1724178514273 0.0036547 deg
peri 283.4984277364269 0.053486 deg
M 53.92622106359784 0.075135 deg
tp 2459338.502095916239
(2021-May-04.00209592)
0.076241 TDB
period 387.1816911763573
1.06
0.068404
0.0001873
d
yr
n .9297960316930991 0.00016427 deg/d
Q 1.065789574723633 0.00012553 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .44508  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:24:08  

Additional Information
 Earth MOID = .0162657 au 
 Jupiter MOID = 3.9078 au 
 T_jup = 5.889 
[ 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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