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46706 (1997 ET41)
Classification: Main-belt Asteroid          SPK-ID: 2046706
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1435305092328219 3.8834e-08  
a 2.279154020405131 8.3989e-09 au
q 1.95202588323635 9.0192e-08 au
i 1.892112841672283 4.5018e-06 deg
node 277.0163484671126 0.00014099 deg
peri 166.9510618307856 0.00014217 deg
M 329.0901760103341 1.9039e-05 deg
tp 2459108.407832833303
(2020-Sep-15.90783283)
6.674e-05 TDB
period 1256.779069106851
3.44
6.9471e-06
1.902e-08
d
yr
n .2864465273565063 1.5834e-09 deg/d
Q 2.606282157573913 9.6044e-09 au
  Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      10194 days (27.91 yr)  
   first obs. used      1992-11-21  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57828  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:45:52  

Additional Information
 Earth MOID = .968176 au 
 Jupiter MOID = 2.59269 au 
 T_jup = 3.592 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457077.5 (2015-Feb-24.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1431982709180392 3.8663e-08  
q 1.95281265478324 8.973e-08 au
tp 2456592.333409519836
(2013-Oct-26.83340952)
6.177e-05 TDB
node 277.1089353008955 0.00014126 deg
peri 166.381898992722 0.00014244 deg
i 1.889669130372311 4.4986e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      10194 days (27.91 yr)  
   first obs. used      1992-11-21  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57828  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:45:52  

Additional Information
 Jupiter MOID = 2.59269 au 
 T_jup = 3.592 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.494809911004821E-15 -3.458286356059123E-15 1.317773378176654E-13 -5.276044538187668E-15 6.487794131711326E-14 -8.357869419029319E-17
q -3.458286356059123E-15 8.05142280882858E-15 -1.704695113202048E-13 1.098429993715297E-14 -1.079662010007823E-13 2.961017313767978E-16
tp 1.317773378176654E-13 -1.704695113202048E-13 3.815521959322727E-9 -3.498378011887235E-12 1.149064761120159E-9 8.104060123775936E-13
node -5.276044538187668E-15 1.098429993715297E-14 -3.498378011887235E-12 1.995372085391826E-8 -1.99437808042747E-8 7.861003485757389E-11
peri 6.487794131711326E-14 -1.079662010007823E-13 1.149064761120159E-9 -1.99437808042747E-8 2.028903885202522E-8 -7.8326666044593E-11
i -8.357869419029319E-17 2.961017313767978E-16 8.104060123775936E-13 7.861003485757389E-11 -7.8326666044593E-11 2.023749033539374E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO296483  

46706 (1997 ET41)          Discovered 1997-Mar-10 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 ET41 = 1999 XW48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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