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392055 (2009 BQ170)
Classification: Main-belt Asteroid          SPK-ID: 2392055
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01001826692428064 1.388e-07  
a 2.84422773170806 6.0058e-08 au
q 2.815733499098367 3.7434e-07 au
i 3.121486103162915 1.178e-05 deg
node 117.0173991035705 0.00021309 deg
peri 52.05541949933721 0.0005068 deg
M 144.3084437959684 0.00045418 deg
tp 2458498.181320804132
(2019-Jan-14.68132080)
0.0022187 TDB
period 1752.04387116796
4.80
5.5493e-05
1.519e-07
d
yr
n .2054743068505552 6.5081e-09 deg/d
Q 2.872721964317752 6.0659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      75  
   data-arc span      5553 days (15.20 yr)  
   first obs. used      2004-01-27  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .77786  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:05:47  

Additional Information
 Earth MOID = 1.81902 au 
 Jupiter MOID = 2.08604 au 
 T_jup = 3.306 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456825.5 (2014-Jun-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .009789392689562484 1.3988e-07  
q 2.812636564709051 3.7478e-07 au
tp 2456664.668676799091
(2014-Jan-07.16867680)
0.0022308 TDB
node 117.0443928738209 0.00021339 deg
peri 34.64811626767446 0.0005058 deg
i 3.119992542580591 1.1764e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      75  
   data-arc span      5553 days (15.20 yr)  
   first obs. used      2004-01-27  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .77786  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:05:47  

Additional Information
 Jupiter MOID = 2.08604 au 
 T_jup = 3.306 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.956502480534045E-14 -5.193904948339793E-14 3.809800014855179E-11 -7.481312818118883E-14 7.720907324207233E-12 -7.798834708730928E-15
q -5.193904948339793E-14 1.404627719890906E-13 -1.273381820055842E-10 1.98740314203817E-13 -2.584545085204122E-11 2.230816511500657E-14
tp 3.809800014855179E-11 -1.273381820055842E-10 4.976399185811886E-6 2.523320054221623E-10 1.023195937529086E-6 -2.99296006918337E-11
node -7.481312818118883E-14 1.98740314203817E-13 2.523320054221623E-10 4.55357960692299E-8 -4.541529942385271E-8 1.172893336295809E-9
peri 7.720907324207233E-12 -2.584545085204122E-11 1.023195937529086E-6 -4.541529942385271E-8 2.558348300832731E-7 -1.177245099975049E-9
i -7.798834708730928E-15 2.230816511500657E-14 -2.99296006918337E-11 1.172893336295809E-9 -1.177245099975049E-9 1.383870220856039E-10

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 17.1   n/a MPO472027  

392055 (2009 BQ170)          Discovered 2009-Jan-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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