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(2003 BK47)
Classification: Apollo [NEO, PHA]          SPK-ID: 3147553
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 122 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7060429276097513 1.6844e-08  
a 2.748414135828048 9.3818e-09 au
q .8079157730839884 4.5816e-08 au
i 20.66881384696304 1.3261e-05 deg
node 138.8606968882109 1.9274e-05 deg
peri 235.235865580235 2.0408e-05 deg
M 15.96171182698013 3.8695e-06 deg
tp 2459126.709805983515
(2020-Oct-04.20980598)
1.7682e-05 TDB
period 1664.261962243455
4.56
8.5215e-06
2.333e-08
d
yr
n .216312099998196 1.1076e-09 deg/d
Q 4.688912498572108 1.6006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      630  
   data-arc span      6595 days (18.06 yr)  
   first obs. used      2003-01-30  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44327  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 21:40:48  

Additional Information
 Earth MOID = .0210728 au 
 Jupiter MOID = 1.478 au 
 T_jup = 2.856 
[ 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 17.8   n/a MPO234356  
rotation period rot_per 45.1 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D.; Stephens, R.D. (2021) Minor Planet Bull. 48-1, submitted. (NEA) http://www.planetarysciences.org/lightcurves.html]

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