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351498 (2005 QC166)
Classification: Main-belt Asteroid          SPK-ID: 2351498
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1580146689654653 6.0246e-08  
a 2.192843090301898 8.9485e-09 au
q 1.846341715294636 1.3173e-07 au
i 5.123351429907995 3.8951e-06 deg
node 117.4483477333246 7.1762e-05 deg
peri 262.4885302632624 7.2608e-05 deg
M 181.9534779438464 1.2855e-05 deg
tp 2459587.098240200096
(2022-Jan-07.59824020)
4.3593e-05 TDB
period 1186.068472628926
3.25
7.2601e-06
1.988e-08
d
yr
n .3035237916762582 1.8579e-09 deg/d
Q 2.539344465309161 1.0362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      6347 days (17.38 yr)  
   first obs. used      2002-12-11  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54532  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:53:06  

Additional Information
 Earth MOID = .85695 au 
 Jupiter MOID = 2.92859 au 
 T_jup = 3.650 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457514.5 (2016-May-06.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1574664316556639 6.0166e-08  
q 1.847910033339857 1.3141e-07 au
tp 2457213.139588512583
(2015-Jul-09.63958851)
4.0517e-05 TDB
node 117.5163786690271 7.1729e-05 deg
peri 262.1257836972706 7.2589e-05 deg
i 5.123835169753963 3.8952e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      6347 days (17.38 yr)  
   first obs. used      2002-12-11  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54532  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:53:06  

Additional Information
 Jupiter MOID = 2.92859 au 
 T_jup = 3.650 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.619921738155515E-15 -7.893614420399098E-15 6.190552462823617E-13 6.978833532060527E-14 1.010667769185498E-13 -7.826183890345553E-15
q -7.893614420399098E-15 1.726934245459284E-14 -1.337080402019905E-12 -1.527557117441052E-13 -2.130467240318131E-13 1.72477133829698E-14
tp 6.190552462823617E-13 -1.337080402019905E-12 1.641618697709795E-9 2.479511567015623E-11 5.004614951300303E-10 -1.573585257661616E-12
node 6.978833532060527E-14 -1.527557117441052E-13 2.479511567015623E-11 5.145099559786204E-9 -5.117204493056821E-9 -2.658535256683531E-11
peri 1.010667769185498E-13 -2.130467240318131E-13 5.004614951300303E-10 -5.117204493056821E-9 5.269215582103562E-9 2.603474833857509E-11
i -7.826183890345553E-15 1.72477133829698E-14 -1.573585257661616E-12 -2.658535256683531E-11 2.603474833857509E-11 1.517266993989249E-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 17.3   n/a MPO455543  

351498 (2005 QC166)          Discovered 2005-Aug-31 by NEAT at Palomar
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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