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103544 (2000 BC21)
Classification: Main-belt Asteroid          SPK-ID: 2103544
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04873875456707404 4.4772e-08  
a 2.373102130432888 1.194e-08 au
q 2.25744008813512 1.0411e-07 au
i 1.437313745295991 3.8479e-06 deg
node 288.7863811752269 0.00021507 deg
peri 212.6756983089653 0.00022353 deg
M 246.0486451922048 6.3522e-05 deg
tp 2459623.158943333601
(2022-Feb-12.65894333)
0.00023736 TDB
period 1335.282233868513
3.66
1.0078e-05
2.759e-08
d
yr
n .2696059236533282 2.0348e-09 deg/d
Q 2.488764172730658 1.2522e-08 au
  Orbit Determination Parameters
   # obs. used (total)      313  
   data-arc span      8144 days (22.30 yr)  
   first obs. used      1998-09-19  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58296  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:33:31  

Additional Information
 Earth MOID = 1.26999 au 
 Jupiter MOID = 2.50155 au 
 T_jup = 3.541 
[ 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 16.9   n/a MPO432561  

103544 (2000 BC21)          Discovered 2000-Jan-29 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2000 BC21 = 2004 FH112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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