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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1122323226206553 3.9999e-08  
a 2.856240885108467 1.497e-08 au
q 2.535678336608667 1.1351e-07 au
i 1.449786932137375 4.8879e-06 deg
node 2.748557333484005 0.00014916 deg
peri 38.22285597141789 0.00015048 deg
M 249.3087719740056 2.1466e-05 deg
tp 2459542.627426405787
(2021-Nov-24.12742641)
0.00010714 TDB
period 1763.155734980654
4.83
1.3861e-05
3.795e-08
d
yr
n .2041793545843244 1.6052e-09 deg/d
Q 3.176803433608267 1.665e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1204  
   data-arc span      14703 days (40.25 yr)  
   first obs. used      1980-03-16  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53554  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:50:37  

Additional Information
 Earth MOID = 1.54401 au 
 Jupiter MOID = 2.20645 au 
 T_jup = 3.294 
[ 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 14.2   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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