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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1432103991990615 3.9393e-08  
a 2.279648033663994 8.9801e-09 au
q 1.953178728729618 9.1873e-08 au
i 1.891896680954715 4.5048e-06 deg
node 277.0138681324902 0.00014507 deg
peri 166.8813900047581 0.00014629 deg
M 214.5722911763548 1.9876e-05 deg
tp 2459108.360910537708
(2020-Sep-15.86091054)
7.0899e-05 TDB
period 1257.187707022779
3.44
7.4286e-06
2.034e-08
d
yr
n .2863534204073133 1.692e-09 deg/d
Q 2.60611733859837 1.0266e-08 au
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      9876 days (27.04 yr)  
   first obs. used      1992-11-21  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5759  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:57:09  

Additional Information
 Earth MOID = .969263 au 
 Jupiter MOID = 2.59396 au 
 T_jup = 3.592 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456937.5 (2014-Oct-07.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1432536225071062 3.9262e-08  
q 1.952654957887651 9.1569e-08 au
tp 2456592.375085024603
(2013-Oct-26.87508502)
6.4448e-05 TDB
node 277.1098198648756 0.00014534 deg
peri 166.3841606499062 0.00014656 deg
i 1.889647196728419 4.5021e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      9876 days (27.04 yr)  
   first obs. used      1992-11-21  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5759  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:57:09  

Additional Information
 Jupiter MOID = 2.59396 au 
 T_jup = 3.592 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.541494497367334E-15 -3.583182054547077E-15 6.135098370004374E-15 -4.076837610388563E-15 3.002964873491435E-14 -1.185293272855816E-16
q -3.583182054547077E-15 8.384799208390342E-15 1.618553952113154E-13 8.72941224295796E-15 -1.687936953818492E-14 3.896904350496155E-16
tp 6.135098370004374E-15 1.618553952113154E-13 4.153597652585931E-9 2.817545688843283E-12 1.232905737607888E-9 9.582369065469183E-13
node -4.076837610388563E-15 8.72941224295796E-15 2.817545688843283E-12 2.112432837977651E-8 -2.111197564629938E-8 8.449655454711063E-11
peri 3.002964873491435E-14 -1.687936953818492E-14 1.232905737607888E-9 -2.111197564629938E-8 2.147884038567979E-8 -8.417043561089183E-11
i -1.185293272855816E-16 3.896904350496155E-16 9.582369065469183E-13 8.449655454711063E-11 -8.417043561089183E-11 2.026882747348348E-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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