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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1462041235260003 3.5938e-08  
a 2.392480393078066 8.3317e-09 au
q 2.042689894154947 8.6695e-08 au
i 1.120182411146151 3.9822e-06 deg
node 26.09505707154273 0.00019617 deg
peri 186.2761022515364 0.00019661 deg
M 4.262825362987911 1.4393e-05 deg
tp 2459184.494617842708
(2020-Nov-30.99461784)
5.4012e-05 TDB
period 1351.671036457009
3.70
7.0607e-06
1.933e-08
d
yr
n .2663369934622773 1.3913e-09 deg/d
Q 2.742270892001185 9.5498e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51174  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:54:21  

Additional Information
 Earth MOID = 1.03568 au 
 Jupiter MOID = 2.22156 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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