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123781 (2001 BU14)
Classification: Main-belt Asteroid          SPK-ID: 2123781
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08690490930560087 4.8793e-08  
a 2.977504525773836 2.7333e-08 au
q 2.718744765004444 1.5915e-07 au
i 10.52187761947834 7.4388e-06 deg
node 143.4547142090686 3.5631e-05 deg
peri 300.7902861688844 6.5639e-05 deg
M 323.4012020816113 5.7353e-05 deg
tp 2459191.283755224096
(2020-Dec-07.78375522)
0.00030025 TDB
period 1876.623162154894
5.14
2.5841e-05
7.075e-08
d
yr
n .1918339319581978 2.6415e-09 deg/d
Q 3.236264286543227 2.9708e-08 au
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      7818 days (21.40 yr)  
   first obs. used      1998-08-28  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55242  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:39:15  

Additional Information
 Earth MOID = 1.75301 au 
 Jupiter MOID = 1.94065 au 
 T_jup = 3.229 
[ 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 15.0   n/a MPO310025  

123781 (2001 BU14)          Discovered 2001-Jan-21 by Kobayashi, T. at Oizumi
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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