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15474 (1999 BG11)
Classification: Main-belt Asteroid          SPK-ID: 2015474
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1122323208822199 3.7693e-08  
a 2.856240884673736 1.4601e-08 au
q 2.535678341188117 1.0788e-07 au
i 1.44978633423016 4.6044e-06 deg
node 2.748554438476823 0.00014889 deg
peri 38.22285920786284 0.0001502 deg
M 249.308771823265 2.144e-05 deg
tp 2459542.627427020291
(2021-Nov-24.12742702)
0.00010706 TDB
period 1763.155734578115
4.83
1.352e-05
3.702e-08
d
yr
n .2041793546309398 1.5657e-09 deg/d
Q 3.176803428159354 1.624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1219  
   data-arc span      14725 days (40.31 yr)  
   first obs. used      1980-03-16  
   last obs. used      2020-07-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53327  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:33:26  

Additional Information
 Earth MOID = 1.54401 au 
 Jupiter MOID = 2.20645 au 
 T_jup = 3.294 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457006.5 (2014-Dec-15.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1150495969623673 3.7627e-08  
q 2.523183324432633 1.0763e-07 au
tp 2457784.172577831422
(2017-Jan-30.67257783)
9.8448e-05 TDB
node 2.904445686918606 0.00014872 deg
peri 38.62947356137173 0.00014996 deg
i 1.451857354778512 4.6089e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1219  
   data-arc span      14725 days (40.31 yr)  
   first obs. used      1980-03-16  
   last obs. used      2020-07-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53327  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:33:26  

Additional Information
 Jupiter MOID = 2.20645 au 
 T_jup = 3.294 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.415801843074791E-15 -4.0213002772975E-15 -7.336374819682377E-13 -5.800892591963778E-15 -1.474083945109942E-13 1.287869342876337E-16
q -4.0213002772975E-15 1.158490192626936E-14 2.564527429060067E-12 1.620050973408208E-14 4.988634988171097E-13 -2.877198948585968E-16
tp -7.336374819682377E-13 2.564527429060067E-12 9.692013242375188E-9 -1.113339574672409E-12 1.908199924250327E-9 -2.81632247388867E-13
node -5.800892591963778E-15 1.620050973408208E-14 -1.113339574672409E-12 2.211684673340794E-8 -2.21094753442524E-8 7.070063281579562E-12
peri -1.474083945109942E-13 4.988634988171097E-13 1.908199924250327E-9 -2.21094753442524E-8 2.248783398056464E-8 -7.120689342236193E-12
i 1.287869342876337E-16 -2.877198948585968E-16 -2.81632247388867E-13 7.070063281579562E-12 -7.120689342236193E-12 2.124155358007847E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO302161  
rotation period rot_per 3.53 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

15474 (1999 BG11)          Discovered 1999-Jan-20 by ODAS at Caussols
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 BG11 = 1980 FC4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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