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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1465305083004865 3.9672e-08  
a 2.393040816597562 8.8754e-09 au
q 2.04238732935771 9.451e-08 au
i 1.120251845977549 4.371e-06 deg
node 26.11058239858174 0.00019691 deg
peri 186.1798877101868 0.00019735 deg
M 204.6061651608544 1.4206e-05 deg
tp 2459184.153198385158
(2020-Nov-30.65319839)		 5.4417e-05 TDB
period 1352.145994956334
3.70		 7.5223e-06
2.059e-08		 d
yr
n .2662434392017156 1.4812e-09 deg/d
Q 2.743694303837414 1.0176e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1403  
   data-arc span      15954 days (43.68 yr)  
   first obs. used      1976-04-01  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52576  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:18:22  

Additional Information
 Earth MOID = 1.03659 au 
 Jupiter MOID = 2.22212 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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