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91228 (1999 BG13)
Classification: Main-belt Asteroid          SPK-ID: 2091228
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07982467081717304 3.1748e-08  
a 2.205277529015173 8.3273e-09 au
q 2.029241976201028 6.7756e-08 au
i 4.300142039579858 3.6052e-06 deg
node 292.6072739869417 5.7355e-05 deg
peri 204.4197632294177 6.6116e-05 deg
M 184.470675402068 3.2137e-05 deg
tp 2459583.730847597103
(2022-Jan-04.23084760)
0.00010746 TDB
period 1196.171099136278
3.27
6.7753e-06
1.855e-08
d
yr
n .3009602892595766 1.7047e-09 deg/d
Q 2.381313081829318 8.992e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1219  
   data-arc span      7468 days (20.45 yr)  
   first obs. used      1999-01-22  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4902  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:26:10  

Additional Information
 Earth MOID = 1.04391 au 
 Jupiter MOID = 2.63712 au 
 T_jup = 3.654 
[ 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 15.4   n/a MPO325091  

91228 (1999 BG13)          Discovered 1999-Jan-24 by Korlevic, K. at Visnjan
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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