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344358 (2001 XD20)
Classification: Main-belt Asteroid          SPK-ID: 2344358
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1785149179658999 6.6712e-08  
a 3.140828032969482 3.1211e-08 au
q 2.580143374318936 2.0813e-07 au
i 9.655660502803578 8.2656e-06 deg
node 305.1212333846196 3.7362e-05 deg
peri 162.9582524857514 4.4222e-05 deg
M 106.4133197883911 2.1805e-05 deg
tp 2458399.522578548416
(2018-Oct-08.02257855)
0.00012032 TDB
period 2033.127733941558
5.57
3.0306e-05
8.297e-08
d
yr
n .1770670843695983 2.6393e-09 deg/d
Q 3.701512691620028 3.6783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      6350 days (17.39 yr)  
   first obs. used      2001-12-09  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56167  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:02:50  

Additional Information
 Earth MOID = 1.59858 au 
 Jupiter MOID = 1.43362 au 
 T_jup = 3.164 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457272.5 (2015-Sep-07.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1798489055586497 6.6752e-08  
q 2.575969297272806 2.0879e-07 au
tp 2456366.072699948886
(2013-Mar-14.57269995)
0.00011474 TDB
node 305.1445413731715 3.7356e-05 deg
peri 163.0011225268265 4.4087e-05 deg
i 9.657752667974643 8.267e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      6350 days (17.39 yr)  
   first obs. used      2001-12-09  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56167  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:02:50  

Additional Information
 Jupiter MOID = 1.43362 au 
 T_jup = 3.164 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.455817394719478E-15 -1.383212640535676E-14 3.254712343731665E-12 -6.237614439571406E-15 7.296700253393971E-13 -2.718509745939799E-15
q -1.383212640535676E-14 4.35932756271126E-14 -1.017670569420435E-11 2.303860700140375E-14 -2.212773054908652E-12 9.232442608384777E-15
tp 3.254712343731665E-12 -1.017670569420435E-11 1.316444713319069E-8 4.380046347793058E-12 2.707222106697796E-9 6.837432268389329E-12
node -6.237614439571406E-15 2.303860700140375E-14 4.380046347793058E-12 1.395505995778658E-9 -1.373603660098935E-9 6.818176281742641E-11
peri 7.296700253393971E-13 -2.212773054908652E-12 2.707222106697796E-9 -1.373603660098935E-9 1.943659527965639E-9 -6.584954343507972E-11
i -2.718509745939799E-15 9.232442608384777E-15 6.837432268389329E-12 6.818176281742641E-11 -6.584954343507972E-11 6.834327293118572E-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 15.7   n/a MPO386397  

344358 (2001 XD20)          Discovered 2001-Dec-09 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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