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186698 (2004 BU41)
Classification: Main-belt Asteroid          SPK-ID: 2186698
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1270267529812082 4.7196e-08  
a 2.38665239938514 1.2452e-08 au
q 2.083483694596436 1.0958e-07 au
i 6.736297785596261 4.1674e-06 deg
node 98.93727810600046 4.5091e-05 deg
peri 100.6623856515328 4.8517e-05 deg
M 210.440968774808 1.9203e-05 deg
tp 2459955.989997342832
(2023-Jan-11.48999734)
7.3054e-05 TDB
period 1346.735114512381
3.69
1.054e-05
2.886e-08
d
yr
n .2673131457854256 2.092e-09 deg/d
Q 2.689821104173844 1.4034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      9067 days (24.82 yr)  
   first obs. used      1995-12-20  
   last obs. used      2020-10-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51415  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:20  

Additional Information
 Earth MOID = 1.09393 au 
 Jupiter MOID = 2.28945 au 
 T_jup = 3.514 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457781.5 (2017-Jan-28.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1259705682039573 4.7191e-08  
q 2.08697502912725 1.0944e-07 au
tp 2457261.314807493888
(2015-Aug-26.81480749)
7.0237e-05 TDB
node 98.95635781164601 4.5088e-05 deg
peri 100.7136456800344 4.8552e-05 deg
i 6.735535629200193 4.1644e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      9067 days (24.82 yr)  
   first obs. used      1995-12-20  
   last obs. used      2020-10-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51415  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:20  

Additional Information
 Jupiter MOID = 2.28945 au 
 T_jup = 3.514 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.226992812997705E-15 -5.141791934500299E-15 -1.651037760469456E-12 -1.159894275437592E-14 -4.085707504593874E-13 -3.655115855080417E-16
q -5.141791934500299E-15 1.197815706999014E-14 3.9456249404754E-12 2.917151828466746E-14 9.847311665119169E-13 1.218014881527957E-15
tp -1.651037760469456E-12 3.9456249404754E-12 4.933217528577082E-9 7.878807501952792E-12 1.301315121924168E-9 7.659556329460692E-13
node -1.159894275437592E-14 2.917151828466746E-14 7.878807501952792E-12 2.032902339232244E-9 -2.016524444240555E-9 8.454080808958471E-11
peri -4.085707504593874E-13 9.847311665119169E-13 1.301315121924168E-9 -2.016524444240555E-9 2.357325672137305E-9 -8.374439604944999E-11
i -3.655115855080417E-16 1.218014881527957E-15 7.659556329460692E-13 8.454080808958471E-11 -8.374439604944999E-11 1.734207187562398E-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 16.61   n/a E2021B55  

186698 (2004 BU41)          Discovered 2004-Jan-19 by CSS at Catalina
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2004 BU41 = 1995 YG14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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