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186718 (2004 BG97)
Classification: Main-belt Asteroid          SPK-ID: 2186718
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .076929170291586 4.9989e-08  
a 2.289264050519538 1.2636e-08 au
q 2.113152866534715 1.1567e-07 au
i 5.885469285857968 5.8457e-06 deg
node 156.8427818464337 5.2982e-05 deg
peri 268.872173380943 6.676e-05 deg
M 70.67848722382426 3.9325e-05 deg
tp 2459148.114062650062
(2020-Oct-25.61406265)
0.00013804 TDB
period 1265.150698016588
3.46
1.0475e-05
2.868e-08
d
yr
n .2845510819891907 2.356e-09 deg/d
Q 2.465375234504362 1.3608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      6740 days (18.45 yr)  
   first obs. used      2002-08-06  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53316  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:46:01  

Additional Information
 Earth MOID = 1.13592 au 
 Jupiter MOID = 2.7212 au 
 T_jup = 3.589 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457054.5 (2015-Feb-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07721351965700453 5.0227e-08  
q 2.111990654854376 1.1621e-07 au
tp 2456615.595677848253
(2013-Nov-19.09567785)
0.00013703 TDB
node 156.930259295634 5.3003e-05 deg
peri 268.0754161522182 6.6613e-05 deg
i 5.884516975733767 5.8459e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      6740 days (18.45 yr)  
   first obs. used      2002-08-06  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53316  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:46:01  

Additional Information
 Jupiter MOID = 2.7212 au 
 T_jup = 3.589 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.522760418948861E-15 -5.807578994648259E-15 -1.321226367831304E-12 -1.905299454809237E-14 -4.191691076147601E-13 -3.92320978741303E-15
q -5.807578994648259E-15 1.350458380734357E-14 2.905987599925318E-12 4.353355705907903E-14 9.326475274297149E-13 9.371981820689378E-15
tp -1.321226367831304E-12 2.905987599925318E-12 1.877585421502867E-8 -3.146591217294381E-11 5.552847915191291E-9 -6.149711461334036E-12
node -1.905299454809237E-14 4.353355705907903E-14 -3.146591217294381E-11 2.809369771093617E-9 -2.80252537796598E-9 3.734185480656771E-11
peri -4.191691076147601E-13 9.326475274297149E-13 5.552847915191291E-9 -2.80252537796598E-9 4.437300053610107E-9 -3.889922732748302E-11
i -3.92320978741303E-15 9.371981820689378E-15 -6.149711461334036E-12 3.734185480656771E-11 -3.889922732748302E-11 3.417448708146647E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.51   n/a MPCxxxxx  

186718 (2004 BG97)          Discovered 2004-Jan-24 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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