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187151 (2005 QN178)
Classification: Main-belt Asteroid          SPK-ID: 2187151
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03628007113096379 6.1052e-08  
a 2.693681774052911 2.0586e-08 au
q 2.595954807686091 1.658e-07 au
i 7.387591820696708 5.0083e-06 deg
node 76.30116041902821 4.3234e-05 deg
peri 281.2756250471762 8.5481e-05 deg
M 157.1851337195467 7.7092e-05 deg
tp 2458495.438782428884
(2019-Jan-11.93878243)
0.00034306 TDB
period 1614.796719761531
4.42
1.8511e-05
5.068e-08
d
yr
n .222938277985333 2.5556e-09 deg/d
Q 2.791408740419732 2.1333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      7123 days (19.50 yr)  
   first obs. used      2001-10-10  
   last obs. used      2021-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54225  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:44  

Additional Information
 Earth MOID = 1.60281 au 
 Jupiter MOID = 2.36691 au 
 T_jup = 3.358 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457437.5 (2016-Feb-19.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03605270555839547 6.0627e-08  
q 2.596190925074539 1.6469e-07 au
tp 2456866.027613011122
(2014-Jul-27.52761301)
0.00034382 TDB
node 76.40012015369521 4.3286e-05 deg
peri 278.0144623304221 8.668e-05 deg
i 7.383841141272072 5.0043e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      7123 days (19.50 yr)  
   first obs. used      2001-10-10  
   last obs. used      2021-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54225  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:44  

Additional Information
 Jupiter MOID = 2.36691 au 
 T_jup = 3.358 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.675644226407785E-15 -9.911845472484556E-15 5.920732862224016E-12 -2.484730343264918E-15 1.172213148314232E-12 2.600156425354931E-15
q -9.911845472484556E-15 2.712359026228288E-14 -1.394459335077282E-11 1.053587542773022E-14 -2.69462947458443E-12 -6.552073059497599E-15
tp 5.920732862224016E-12 -1.394459335077282E-11 1.182100128926911E-7 1.085490052449186E-10 2.584746472974012E-8 -9.731813246815115E-13
node -2.484730343264918E-15 1.053587542773022E-14 1.085490052449186E-10 1.873644489534773E-9 -1.833581276760889E-9 -3.13246227717E-11
peri 1.172213148314232E-12 -2.69462947458443E-12 2.584746472974012E-8 -1.833581276760889E-9 7.513370374021982E-9 3.077629265074626E-11
i 2.600156425354931E-15 -6.552073059497599E-15 -9.731813246815115E-13 -3.13246227717E-11 3.077629265074626E-11 2.504335571073232E-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 16.03   n/a MPCxxxxx  

187151 (2005 QN178)          Discovered 2005-Aug-27 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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