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123801 (2001 BK54)
Classification: Main-belt Asteroid          SPK-ID: 2123801
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1337344113962465 6.3255e-08  
a 3.11821174096848 3.2533e-08 au
q 2.701199529181196 1.9756e-07 au
i 10.65178586890769 7.5384e-06 deg
node 326.2856073101905 2.5692e-05 deg
peri 311.058929976071 3.6915e-05 deg
M 62.83357124883143 2.9609e-05 deg
tp 2458649.468512790684
(2019-Jun-14.96851279)
0.00016336 TDB
period 2011.20727158579
5.51
3.1475e-05
8.617e-08
d
yr
n .178996966193419 2.8013e-09 deg/d
Q 3.535223952755765 3.6884e-08 au
  Orbit Determination Parameters
   # obs. used (total)      533  
   data-arc span      7962 days (21.80 yr)  
   first obs. used      1998-10-12  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55933  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:22:02  

Additional Information
 Earth MOID = 1.69936 au 
 Jupiter MOID = 1.74387 au 
 T_jup = 3.177 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO436600  

123801 (2001 BK54)          Discovered 2001-Jan-18 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2001 BK54 = 2003 QW32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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