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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1553876878162936 3.0931e-08  
a 2.570633325727942 1.4189e-08 au
q 2.171188557019568 7.9625e-08 au
i 5.594744348210918 5.6716e-06 deg
node 45.73323648161603 2.9626e-05 deg
peri 282.6573783162726 3.6445e-05 deg
M 98.2339698544606 1.9215e-05 deg
tp 2458589.711930910873
(2019-Apr-16.21193091)
8.1194e-05 TDB
period 1505.423277621623
4.12
1.2464e-05
3.412e-08
d
yr
n .2391354015521497 1.9799e-09 deg/d
Q 2.970078094436317 1.6394e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1390  
   data-arc span      12437 days (34.05 yr)  
   first obs. used      1986-10-01  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49111  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:48:59  

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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1570682263729667 3.107e-08  
q 2.165726653916249 8.0146e-08 au
tp 2457084.576135319561
(2015-Mar-03.07613532)
8.4171e-05 TDB
node 45.74639577925273 2.9628e-05 deg
peri 282.5991861441448 3.6301e-05 deg
i 5.597102796763879 5.6724e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1390  
   data-arc span      12437 days (34.05 yr)  
   first obs. used      1986-10-01  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49111  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:48:59  

Additional Information
 Jupiter MOID = 2.38596 au 
 T_jup = 3.406 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.653433625080097E-16 -2.462305652008075E-15 9.512249889717091E-13 -7.712805989799479E-15 2.070286932534475E-13 1.087666324925796E-16
q -2.462305652008075E-15 6.42343097089428E-15 -2.856829235236974E-12 2.076652711862658E-14 -6.262414441054244E-13 -6.59577073925439E-20
tp 9.512249889717091E-13 -2.856829235236974E-12 7.084785442533306E-9 -3.536153893063267E-11 1.765960924067269E-9 -3.391512100321285E-12
node -7.712805989799479E-15 2.076652711862658E-14 -3.536153893063267E-11 8.778062189246397E-10 -8.818181710158597E-10 -1.899950625783713E-11
peri 2.070286932534475E-13 -6.262414441054244E-13 1.765960924067269E-9 -8.818181710158597E-10 1.317774620555575E-9 1.806108460720871E-11
i 1.087666324925796E-16 -6.59577073925439E-20 -3.391512100321285E-12 -1.899950625783713E-11 1.806108460720871E-11 3.217614293508171E-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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