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541880 (2012 BT132)
Classification: Inner Main-belt Asteroid          SPK-ID: 2541880
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07721301717324959 7.3085e-08  
a 1.922011770089417 8.9324e-09 au
q 1.773607442278315 1.4023e-07 au
i 17.81345201382425 7.1587e-06 deg
node 285.8894523504574 1.711e-05 deg
peri 211.0490785009871 3.8271e-05 deg
M 122.8668066206775 3.1799e-05 deg
tp 2458868.326822187422
(2020-Jan-19.82682219)
8.6015e-05 TDB
period 973.2681047185566
2.66
6.7848e-06
1.858e-08
d
yr
n .3698878019886437 2.5785e-09 deg/d
Q 2.070416097900519 9.6221e-09 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      5933 days (16.24 yr)  
   first obs. used      2004-01-29  
   last obs. used      2020-04-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5676  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:46  

Additional Information
 Earth MOID = .801174 au 
 Jupiter MOID = 3.0368 au 
 T_jup = 3.861 
[ 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 17.48   n/a E2021B25  

541880 (2012 BT132)          Discovered 2004-Jan-29 by LONEOS at Anderson Mesa
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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