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JPL Small-Body Database Browser
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(2018 BU1)
Classification: Apollo [NEO]          SPK-ID: 3797752
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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4619421132993737 1.9186e-07  
a 1.59229834910021 2.5754e-08 au
q .856748684713755 3.0086e-07 au
i 6.383091269186155 2.7287e-05 deg
node 303.0171214195854 1.0262e-05 deg
peri 238.0784852545896 5.9912e-05 deg
M 203.5753077262763 1.8768e-05 deg
tp 2458919.387798745887
(2020-Mar-10.88779875)
4.4499e-05 TDB
period 733.8969690771996
2.01
1.7805e-05
4.875e-08
d
yr
n .4905320708064283 1.1901e-08 deg/d
Q 2.327848013486665 3.7651e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-25 05:41:59  

Additional Information
 Earth MOID = .00749758 au 
 Jupiter MOID = 2.66271 au 
 T_jup = 4.243 
[ 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 24.7   n/a MPO438050  

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