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39329 (2001 XW154)
Classification: Main-belt Asteroid          SPK-ID: 2039329
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1442006709381126 4.7407e-08  
a 3.047792006062066 2.1779e-08 au
q 2.6082983539081 1.3774e-07 au
i .5587927477702958 4.7366e-06 deg
node 271.0687555289338 0.00053228 deg
peri 252.5307824364709 0.00053259 deg
M 113.0856200639483 1.79e-05 deg
tp 2458390.006143097215
(2018-Sep-28.50614310)
9.5633e-05 TDB
period 1943.463619518744
5.32
2.0831e-05
5.703e-08
d
yr
n .1852362948214827 1.9855e-09 deg/d
Q 3.487285658216032 2.4919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      8724 days (23.89 yr)  
   first obs. used      1995-09-29  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58662  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:00:00  

Additional Information
 Earth MOID = 1.61619 au 
 Jupiter MOID = 1.49413 au 
 T_jup = 3.222 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456574.5 (2013-Oct-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1428134446419039 4.7165e-08  
q 2.607313870063089 1.3632e-07 au
tp 2456444.464719408027
(2013-May-31.96471941)
9.5823e-05 TDB
node 271.2192721088339 0.00053275 deg
peri 251.1173727545425 0.00053308 deg
i .5586840220331646 4.741e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      8724 days (23.89 yr)  
   first obs. used      1995-09-29  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58662  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:00:00  

Additional Information
 Jupiter MOID = 1.49413 au 
 T_jup = 3.222 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.224581330248486E-15 -6.383843440684212E-15 7.982138060644539E-13 -1.255591716417353E-15 1.151113539124701E-13 1.285733537837704E-16
q -6.383843440684212E-15 1.858333521311346E-14 -2.452689654876188E-12 3.345204648055433E-14 -3.896240709186125E-13 -5.720518787308851E-16
tp 7.982138060644539E-13 -2.452689654876188E-12 9.182050771233458E-9 -5.483757394786602E-11 1.852309653771645E-9 -5.410639656995809E-13
node -1.255591716417353E-15 3.345204648055433E-14 -5.483757394786602E-11 2.838237754919972E-7 -2.83817663941916E-7 -5.745909292858106E-10
peri 1.151113539124701E-13 -3.896240709186125E-13 1.852309653771645E-9 -2.83817663941916E-7 2.841757652615702E-7 5.744299897816863E-10
i 1.285733537837704E-16 -5.720518787308851E-16 -5.410639656995809E-13 -5.745909292858106E-10 5.744299897816863E-10 2.247705901403791E-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 15.2   n/a MPO263674  

39329 (2001 XW154)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 XW154 = 1997 AV11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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