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146379 (2001 QS39)
Classification: Main-belt Asteroid          SPK-ID: 2146379
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1961364160665685 3.819e-08  
a 2.582757933185075 1.6599e-08 au
q 2.076185048602656 9.765e-08 au
i 1.146027876048379 4.4253e-06 deg
node 340.4154089097698 0.00023941 deg
peri 334.6766842402295 0.00023984 deg
M 189.4709764531263 1.647e-05 deg
tp 2459718.657644424789
(2022-May-19.15764442)
7.1444e-05 TDB
period 1516.086509003317
4.15
1.4616e-05
4.002e-08
d
yr
n .2374534684281742 2.2892e-09 deg/d
Q 3.089330817767493 1.9855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      9636 days (26.38 yr)  
   first obs. used      1993-09-15  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:00  

Additional Information
 Earth MOID = 1.06253 au 
 Jupiter MOID = 2.20241 au 
 T_jup = 3.396 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457276.5 (2015-Sep-11.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1977062940032495 3.8388e-08  
q 2.071022234408381 9.8245e-08 au
tp 2456684.909552310548
(2014-Jan-27.40955231)
6.6203e-05 TDB
node 340.5312007486075 0.00023821 deg
peri 334.2412753224474 0.00023863 deg
i 1.1510315148006 4.4285e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      9636 days (26.38 yr)  
   first obs. used      1993-09-15  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:00  

Additional Information
 Jupiter MOID = 2.20241 au 
 T_jup = 3.396 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.473622066071766E-15 -3.737803099648525E-15 9.018409073095441E-13 1.423264529502818E-14 1.491157878322781E-13 -5.362583897221836E-17
q -3.737803099648525E-15 9.65205721398431E-15 -2.38050228764129E-12 -3.947890150448615E-14 -3.786129615701262E-13 2.048217328282269E-16
tp 9.018409073095441E-13 -2.38050228764129E-12 4.382867130445249E-9 1.209652523763864E-11 9.632420750964411E-10 -7.001222551546334E-13
node 1.423264529502818E-14 -3.947890150448615E-14 1.209652523763864E-11 5.674477536564652E-8 -5.673050338848435E-8 3.060309697148566E-10
peri 1.491157878322781E-13 -3.786129615701262E-13 9.632420750964411E-10 -5.673050338848435E-8 5.694622023436722E-8 -3.061250148521702E-10
i -5.362583897221836E-17 2.048217328282269E-16 -7.001222551546334E-13 3.060309697148566E-10 -3.061250148521702E-10 1.961167286221269E-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 16.0   n/a MPO459678  

146379 (2001 QS39)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

Alternate Designations
 2001 QS39 = 2000 FV66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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