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190675 (2001 BU20)
Classification: Main-belt Asteroid          SPK-ID: 2190675
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .212911476937218 4.1722e-08  
a 2.732999832993138 1.7092e-08 au
q 2.151112802081399 1.1382e-07 au
i 13.94154328827153 5.3837e-06 deg
node 125.3591940484107 1.9512e-05 deg
peri 279.5851072043969 2.3878e-05 deg
M 208.5216617029362 1.5804e-05 deg
tp 2459894.893850553456
(2022-Nov-11.39385055)
7.6135e-05 TDB
period 1650.280753073787
4.52
1.5481e-05
4.238e-08
d
yr
n .2181447001241878 2.0464e-09 deg/d
Q 3.314886863904877 2.0731e-08 au
  Orbit Determination Parameters
   # obs. used (total)      456  
   data-arc span      7563 days (20.71 yr)  
   first obs. used      1999-09-11  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54188  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:40  

Additional Information
 Earth MOID = 1.21129 au 
 Jupiter MOID = 2.23422 au 
 T_jup = 3.278 
[ 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 15.72   n/a E2021B55  

190675 (2001 BU20)          Discovered 2001-Jan-19 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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