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JPL Small-Body Database Browser
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382018 (2011 BT53)
Classification: Main-belt Asteroid          SPK-ID: 2382018
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1220786192458806 5.4479e-08  
a 2.327659737503372 2.1593e-08 au
q 2.043502250674732 1.276e-07 au
i 2.1328673307808 6.9268e-06 deg
node 109.9319954815156 0.00018754 deg
peri 48.20005948827492 0.00019207 deg
M 95.67698253489679 3.682e-05 deg
tp 2458255.767175344312
(2018-May-17.26717534)
0.0001323 TDB
period 1297.112571780601
3.55
1.8049e-05
4.942e-08
d
yr
n .2775395195698496 3.8619e-09 deg/d
Q 2.611817224332013 2.4229e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      5089 days (13.93 yr)  
   first obs. used      2004-02-17  
   last obs. used      2018-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58031  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:33:44  

Additional Information
 Earth MOID = 1.05388 au 
 Jupiter MOID = 2.36973 au 
 T_jup = 3.562 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456968.5 (2014-Nov-07.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1220773590116999 5.4433e-08  
q 2.042956381160045 1.2736e-07 au
tp 2456958.013659198154
(2014-Oct-27.51365920)
0.00013219 TDB
node 109.9487141220958 0.0001876 deg
peri 47.85334477770805 0.00019214 deg
i 2.13263902725244 6.9259e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      5089 days (13.93 yr)  
   first obs. used      2004-02-17  
   last obs. used      2018-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58031  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:33:44  

Additional Information
 Jupiter MOID = 2.36973 au 
 T_jup = 3.562 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.962991426612091E-15 -6.856553071338104E-15 2.798448249698707E-13 -3.832787841669071E-15 9.638037945102744E-14 -1.360943175033644E-15
q -6.856553071338104E-15 1.622003208592323E-14 -7.868938039829749E-13 6.995828855764352E-15 -2.64230723460589E-13 3.427694759717912E-15
tp 2.798448249698707E-13 -7.868938039829749E-13 1.747360875167292E-8 -6.654556503688834E-11 5.526345192337323E-9 -8.800344159862886E-12
node -3.832787841669071E-15 6.995828855764352E-15 -6.654556503688834E-11 3.5195132386262E-8 -3.51911135058838E-8 -2.206792560625652E-10
peri 9.638037945102744E-14 -2.64230723460589E-13 5.526345192337323E-9 -3.51911135058838E-8 3.691716938089503E-8 2.177960319411241E-10
i -1.360943175033644E-15 3.427694759717912E-15 -8.800344159862886E-12 -2.206792560625652E-10 2.177960319411241E-10 4.796782910616029E-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 18.2   n/a MPO437564  

382018 (2011 BT53)          Discovered 2006-Nov-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

[ show close-approach data ]
Alternate Designations
 2011 BT53 = 2009 SE94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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