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JPL Small-Body Database Browser
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154646 (2004 BC122)
Classification: Inner Main-belt Asteroid          SPK-ID: 2154646
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06376498399686094 4.7555e-08  
a 1.942339991673626 9.133e-09 au
q 1.818486713188094 9.4268e-08 au
i 22.11978488395734 6.722e-06 deg
node 46.69955674092749 1.3622e-05 deg
peri 235.2385778562831 6.9135e-05 deg
M 247.4656918529111 7.3395e-05 deg
tp 2459309.578467038987
(2021-Apr-05.07846704)
0.0002024 TDB
period 988.7495641649219
2.71
6.9738e-06
1.909e-08
d
yr
n .3640962414016827 2.568e-09 deg/d
Q 2.066193270159158 9.7154e-09 au
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      6980 days (19.11 yr)  
   first obs. used      2000-11-27  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56499  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 20:04:26  

Additional Information
 Earth MOID = .842936 au 
 Jupiter MOID = 2.98438 au 
 T_jup = 3.809 
[ 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 MPO338287  

154646 (2004 BC122)          Discovered 2004-Jan-28 by CSS at Catalina
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 2004 BC122 = 2001 AT46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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