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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1959032525623051 3.8332e-08  
a 2.582975133286431 1.7014e-08 au
q 2.076961903388065 9.8368e-08 au
i 1.145775647535922 4.7369e-06 deg
node 340.4313936479328 0.00026033 deg
peri 334.6206030509574 0.00026081 deg
M 94.56692377220857 1.7301e-05 deg
tp 2458202.195213272631
(2018-Mar-24.69521327)
7.2549e-05 TDB
period 1516.277758672239
4.15
1.4982e-05
4.102e-08
d
yr
n .2374235181786493 2.3459e-09 deg/d
Q 3.088988363184796 2.0348e-08 au
  Orbit Determination Parameters
   # obs. used (total)      518  
   data-arc span      9259 days (25.35 yr)  
   first obs. used      1993-09-15  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51499  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:27:58  

Additional Information
 Earth MOID = 1.06245 au 
 Jupiter MOID = 2.20002 au 
 T_jup = 3.396 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457142.5 (2015-Apr-30.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .197858294020755 3.8556e-08  
q 2.070350226837628 9.9041e-08 au
tp 2456684.949210910174
(2014-Jan-27.44921091)
7.1986e-05 TDB
node 340.5281998151414 0.00025896 deg
peri 334.2219052956904 0.00025944 deg
i 1.151062094224953 4.7399e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      518  
   data-arc span      9259 days (25.35 yr)  
   first obs. used      1993-09-15  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51499  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:27:58  

Additional Information
 Jupiter MOID = 2.20002 au 
 T_jup = 3.396 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.486596945193474E-15 -3.783109865735607E-15 1.000576339301846E-12 1.239062395575671E-14 1.756241471681894E-13 -1.116040991741737E-16
q -3.783109865735607E-15 9.809203297649792E-15 -2.729274620039039E-12 -3.569526179594653E-14 -4.696608623222334E-13 3.628883543426441E-16
tp 1.000576339301846E-12 -2.729274620039039E-12 5.181918627569722E-9 1.035814164158302E-11 1.164817189826222E-9 -9.536332537515689E-13
node 1.239062395575671E-14 -3.569526179594653E-14 1.035814164158302E-11 6.706000995355427E-8 -6.704394595205689E-8 4.773206732530678E-10
peri 1.756241471681894E-13 -4.696608623222334E-13 1.164817189826222E-9 -6.704394595205689E-8 6.730782573299438E-8 -4.774412243171017E-10
i -1.116040991741737E-16 3.628883543426441E-16 -9.536332537515689E-13 4.773206732530678E-10 -4.774412243171017E-10 2.246704405236797E-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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