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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4621254778495456 1.9086e-07  
a 1.593495967552987 1.8733e-08 au
q .8571008820962386 3.0103e-07 au
i 6.378566585106759 2.7294e-05 deg
node 302.9929963626071 1.0237e-05 deg
peri 238.0384704794497 6.0097e-05 deg
M 39.757064157757 2.2527e-05 deg
tp 2458919.359685642577
(2020-Mar-10.85968564)
4.4803e-05 TDB
period 734.7251057765337
2.01
1.2956e-05
3.547e-08
d
yr
n .4899791733937207 8.6402e-09 deg/d
Q 2.329891053009734 2.739e-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 = .00748989 au 
 Jupiter MOID = 2.65932 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 24.7   n/a MPO438050  

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