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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .146283156936691 3.4924e-08  
a 2.392944123896402 7.9268e-09 au
q 2.042896703079732 8.3778e-08 au
i 1.120155423779276 3.8956e-06 deg
node 26.09337169809149 0.00019553 deg
peri 186.3553331228535 0.00019597 deg
M 56.39085466795357 1.4187e-05 deg
tp 2459184.710980536746
(2020-Dec-01.21098054)
5.2974e-05 TDB
period 1352.064043996488
3.70
6.7182e-06
1.839e-08
d
yr
n .2662595766809218 1.323e-09 deg/d
Q 2.742991544713072 9.0864e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1653  
   data-arc span      16516 days (45.22 yr)  
   first obs. used      1976-04-01  
   last obs. used      2021-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50665  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 02:46:25  

Additional Information
 Earth MOID = 1.03748 au 
 Jupiter MOID = 2.21984 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 14.74   n/a E2021B10  

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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