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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1463302285114234 3.6977e-08  
a 2.392873591173831 8.5161e-09 au
q 2.042723851778414 8.8859e-08 au
i 1.120132303157684 4.1059e-06 deg
node 26.09620297315089 0.00019679 deg
peri 186.2425792844304 0.00019723 deg
M 311.0330480109777 1.4357e-05 deg
tp 2459184.398688800857
(2020-Nov-30.89868880)
5.4245e-05 TDB
period 1352.004265716816
3.70
7.2175e-06
1.976e-08
d
yr
n .2662713492321213 1.4215e-09 deg/d
Q 2.743023330569248 9.7622e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1520  
   data-arc span      16014 days (43.84 yr)  
   first obs. used      1976-04-01  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5118  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:07:12  

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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