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11671 (1998 BG4)
Classification: Main-belt Asteroid          SPK-ID: 2011671
[ 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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1463302210135317 3.6019e-08  
a 2.392873589684988 8.3707e-09 au
q 2.042723868448941 8.6874e-08 au
i 1.120133230014214 3.991e-06 deg
node 26.0962150791404 0.00019631 deg
peri 186.2425670232616 0.00019675 deg
M 311.0330492116622 1.4304e-05 deg
tp 2459184.398684119974
(2020-Nov-30.89868412)		 5.4034e-05 TDB
period 1352.004264454993
3.70		 7.0943e-06
1.942e-08		 d
yr
n .2662713494806318 1.3972e-09 deg/d
Q 2.743023310921036 9.5956e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1563  
   data-arc span      16096 days (44.07 yr)  
   first obs. used      1976-04-01  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51249  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:35:21  

Additional Information
 Earth MOID = 1.03671 au 
 Jupiter MOID = 2.22191 au 
 T_jup = 3.516 
[ 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 14.7   n/a MPO309243  

11671 (1998 BG4)          Discovered 1998-Jan-21 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BG4 = 1976 GZ 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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