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46078 (2001 ET6)
Classification: Main-belt Asteroid          SPK-ID: 2046078
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1553876880150716 3.1033e-08  
a 2.570633326002011 1.4634e-08 au
q 2.171188556740064 8.0183e-08 au
i 5.594744996087702 5.6987e-06 deg
node 45.73323552413448 2.9654e-05 deg
peri 282.6573787753682 3.6699e-05 deg
M 98.2339702422334 1.9493e-05 deg
tp 2458589.711929223617
(2019-Apr-16.21192922)
8.2491e-05 TDB
period 1505.423277862374
4.12
1.2855e-05
3.52e-08
d
yr
n .2391354015139065 2.042e-09 deg/d
Q 2.970078095263957 1.6908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1382  
   data-arc span      12171 days (33.32 yr)  
   first obs. used      1986-10-01  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49065  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:21:24  

Additional Information
 Earth MOID = 1.16856 au 
 Jupiter MOID = 2.38596 au 
 T_jup = 3.406 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457456.5 (2016-Mar-09.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157068226569273 3.1176e-08  
q 2.16572665364417 8.072e-08 au
tp 2457084.576133431236
(2015-Mar-03.07613343)
8.5961e-05 TDB
node 45.74639482252315 2.9655e-05 deg
peri 282.5991866099458 3.6551e-05 deg
i 5.597103444825017 5.6995e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1382  
   data-arc span      12171 days (33.32 yr)  
   first obs. used      1986-10-01  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49065  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:21:24  

Additional Information
 Jupiter MOID = 2.38596 au 
 T_jup = 3.406 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.719323905925696E-16 -2.48691994726842E-15 9.953285989853763E-13 -7.992145859107987E-15 2.173858811956616E-13 1.203450078070026E-16
q -2.48691994726842E-15 6.515650166987838E-15 -3.022773981668647E-12 2.173707461329893E-14 -6.650802701404055E-13 -4.610150136627649E-19
tp 9.953285989853763E-13 -3.022773981668647E-12 7.389296108556576E-9 -3.686306054567801E-11 1.836993265272712E-9 -3.573228465094808E-12
node -7.992145859107987E-15 2.173707461329893E-14 -3.686306054567801E-11 8.794341084305514E-10 -8.837782837706807E-10 -1.957568504830245E-11
peri 2.173858811956616E-13 -6.650802701404055E-13 1.836993265272712E-9 -8.837782837706807E-10 1.335960766641292E-9 1.859061057756324E-11
i 1.203450078070026E-16 -4.610150136627649E-19 -3.573228465094808E-12 -1.957568504830245E-11 1.859061057756324E-11 3.248443180988306E-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 14.7   n/a MPO502463  

46078 (2001 ET6)          Discovered 2001-Mar-02 by LONEOS at Anderson Mesa
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 ET6 = 1986 TE5 = 1990 SM5 = 2000 AN8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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