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(2021 BM)
Classification: Apollo [NEO]          SPK-ID: 54106296
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806493256493669 5.9459e-06  
a 1.190796238843722 8.1222e-06 au
q .9756797013108015 4.2821e-07 au
i 1.388225071563099 3.2501e-05 deg
node 177.1894093447167 0.00030138 deg
peri 340.6905032778201 0.00025585 deg
M 95.01315880157723 0.0011026 deg
tp 2459271.233234316015
(2021-Feb-25.73323432)
0.00017799 TDB
period 474.6293693951598
1.30
0.004856
1.33e-05
d
yr
n .7584865649143524 7.7603e-06 deg/d
Q 1.405912776376643 9.5895e-06 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      169 days  
   first obs. used      2020-12-14  
   last obs. used      2021-06-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .37921  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-01 05:50:46  

Additional Information
 Earth MOID = .00473124 au 
 Jupiter MOID = 3.57052 au 
 T_jup = 5.310 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459234.5 (2021-Jan-20.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813111227268284 5.9098e-06  
q .9754367855154501 4.2494e-07 au
tp 2459272.393263060309
(2021-Feb-26.89326306)
7.53e-05 TDB
node 180.887180582724 0.00035628 deg
peri 338.2201731571567 0.00040527 deg
i 1.265508414358496 3.9916e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      169 days  
   first obs. used      2020-12-14  
   last obs. used      2021-06-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .37921  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-01 05:50:46  

Additional Information
 Jupiter MOID = 3.57052 au 
 T_jup = 5.310 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.492561249444224E-11 -2.495592115831957E-12 3.668175196787683E-10 -1.238531277752841E-9 1.849921942544261E-9 2.355138237774502E-10
q -2.495592115831957E-12 1.805770064250871E-13 -2.808430222547474E-11 8.046109054952609E-11 -1.261214237963817E-10 -1.680603463659908E-11
tp 3.668175196787683E-10 -2.808430222547474E-11 5.670041852299123E-9 -3.742629633517306E-9 1.204421058943713E-8 2.44718479254798E-9
node -1.238531277752841E-9 8.046109054952609E-11 -3.742629633517306E-9 1.269376262033441E-7 -1.392629291936222E-7 -8.836395139507629E-9
peri 1.849921942544261E-9 -1.261214237963817E-10 1.204421058943713E-8 -1.392629291936222E-7 1.642411043990672E-7 1.293270427679853E-8
i 2.355138237774502E-10 -1.680603463659908E-11 2.44718479254798E-9 -8.836395139507629E-9 1.293270427679853E-8 1.593247897158465E-9

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 25.31   .34159 MPO624182 autocmod 2.8

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