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JPL Small-Body Database Browser
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146262 (2001 BU39)
Classification: Main-belt Asteroid          SPK-ID: 2146262
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04653954342269876 5.5737e-08  
a 2.227124337017508 1.2753e-08 au
q 2.123474987227132 1.2983e-07 au
i 7.323185226075632 5.8909e-06 deg
node 342.0116052233182 4.0053e-05 deg
peri 140.3395997943317 8.6947e-05 deg
M 211.9994983011877 7.5471e-05 deg
tp 2459099.586484672293
(2020-Sep-07.08648467)
0.00025561 TDB
period 1213.990036653149
3.32
1.0428e-05
2.855e-08
d
yr
n .2965427961768818 2.5472e-09 deg/d
Q 2.330773686807883 1.3347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      7324 days (20.05 yr)  
   first obs. used      1999-10-10  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62032  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:03:04  

Additional Information
 Earth MOID = 1.14341 au 
 Jupiter MOID = 2.68205 au 
 T_jup = 3.633 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO453927  

146262 (2001 BU39)          Discovered 2001-Jan-23 by Spacewatch at Kitt Peak
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

Alternate Designations
 2001 BU39 = 1999 TD165 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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