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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1107731921187961 3.7545e-08  
a 2.853023729485892 1.4922e-08 au
q 2.536985183780067 1.0682e-07 au
i 1.450960856913782 4.6058e-06 deg
node 2.660923921618061 0.00014657 deg
peri 38.74212849093676 0.00014793 deg
M 329.6565726255046 2.2006e-05 deg
tp 2459544.860618724102
(2021-Nov-26.36061872)
0.00010815 TDB
period 1760.177651703556
4.82
1.3809e-05
3.781e-08
d
yr
n .204524810124467 1.6045e-09 deg/d
Q 3.169062275191717 1.6575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1229  
   data-arc span      14725 days (40.31 yr)  
   first obs. used      1980-03-16  
   last obs. used      2020-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53222  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:59:39  

Additional Information
 Earth MOID = 1.54482 au 
 Jupiter MOID = 2.21183 au 
 T_jup = 3.295 
[ show covariance matrix ]

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 14.24   n/a E2021B10  
rotation period rot_per 3.53 h n/a LCDB (Rev. 2020-October); 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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