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JPL Small-Body Database Browser
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379574 (2011 BW37)
Classification: Main-belt Asteroid          SPK-ID: 2379574
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1012886739180184 8.708e-08  
a 2.594222784833847 2.9118e-08 au
q 2.331457399110118 2.4211e-07 au
i 13.03916699462229 7.9699e-06 deg
node 341.7657845790344 2.3642e-05 deg
peri 192.5674985842249 4.6865e-05 deg
M 336.8486928701982 4.0682e-05 deg
tp 2458698.648201674003
(2019-Aug-03.14820167)
0.00017337 TDB
period 1526.192555977012
4.18
2.5695e-05
7.035e-08
d
yr
n .2358811138149872 3.9713e-09 deg/d
Q 2.856988170557576 3.2067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      5369 days (14.70 yr)  
   first obs. used      2004-09-13  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58142  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:57:27  

Additional Information
 Earth MOID = 1.33938 au 
 Jupiter MOID = 2.12718 au 
 T_jup = 3.374 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457388.5 (2016-Jan-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1018506041602097 8.7227e-08  
q 2.329723993400144 2.4261e-07 au
tp 2457170.873805748244
(2015-May-28.37380575)
0.0001591 TDB
node 341.7824896256474 2.3638e-05 deg
peri 192.240035911909 4.6569e-05 deg
i 13.04115328778876 7.9707e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      5369 days (14.70 yr)  
   first obs. used      2004-09-13  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58142  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:57:27  

Additional Information
 Jupiter MOID = 2.12718 au 
 T_jup = 3.374 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.608580411283499E-15 -2.108098951064195E-14 -6.673396825566526E-12 -2.767559614015939E-14 -1.427110548496438E-12 -2.036277474321927E-14
q -2.108098951064195E-14 5.885755621995339E-14 1.911649559139557E-11 7.858841230628882E-14 4.126879281376864E-12 5.80088756860039E-14
tp -6.673396825566526E-12 1.911649559139557E-11 2.531221442862403E-8 4.80320825697364E-11 6.385939546577772E-9 4.104989097791275E-11
node -2.767559614015939E-14 7.858841230628882E-14 4.80320825697364E-11 5.587726305571089E-10 -5.321676747793935E-10 -7.51051680473392E-11
peri -1.427110548496438E-12 4.126879281376864E-12 6.385939546577772E-9 -5.321676747793935E-10 2.168635064702045E-9 8.343242766824918E-11
i -2.036277474321927E-14 5.80088756860039E-14 4.104989097791275E-11 -7.51051680473392E-11 8.343242766824918E-11 6.353285197739331E-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 16.1   n/a MPO382552  

379574 (2011 BW37)          Discovered 2004-Sep-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2011 BW37 = 2004 RU249 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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