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(2018 BU1)
Classification: Apollo [NEO]          SPK-ID: 3797752
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .462327417794634 1.9074e-07  
a 1.5933285189165 1.8547e-08 au
q .8566890590672859 3.0111e-07 au
i 6.378759802446204 2.7295e-05 deg
node 302.9923251391845 1.0237e-05 deg
peri 238.0274872790869 6.004e-05 deg
M 137.7541360557932 2.3873e-05 deg
tp 2458919.401474247889
(2020-Mar-10.90147425)
4.4702e-05 TDB
period 734.6092986258789
2.01
1.2827e-05
3.512e-08
d
yr
n .4900564159389173 8.5566e-09 deg/d
Q 2.329967978765715 2.7121e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      745 days (2.04 yr)  
   first obs. used      2018-01-09  
   last obs. used      2020-01-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42007  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:20:14  

Additional Information
 Earth MOID = .00731201 au 
 Jupiter MOID = 2.65825 au 
 T_jup = 4.241 
[ 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 24.6   n/a MPO545073  

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