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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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1463302205425374 3.5933e-08  
a 2.39287358959878 8.354e-09 au
q 2.042723869502377 8.6699e-08 au
i 1.120133328939479 3.9819e-06 deg
node 26.09621779314169 0.00019618 deg
peri 186.2425642441577 0.00019661 deg
M 311.0330493428429 1.429e-05 deg
tp 2459184.398683617378
(2020-Nov-30.89868362)
5.3979e-05 TDB
period 1352.00426438193
3.70
7.0802e-06
1.938e-08
d
yr
n .2662713494950213 1.3944e-09 deg/d
Q 2.743023309695182 9.5765e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1573  
   data-arc span      16121 days (44.14 yr)  
   first obs. used      1976-04-01  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51177  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:58:01  

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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