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437906 (2001 XF220)
Classification: Main-belt Asteroid          SPK-ID: 2437906
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1875722638569586 1.5546e-07  
a 3.05591045968676 4.495e-08 au
q 2.482706416619155 4.6269e-07 au
i 12.21124911050505 1.4568e-05 deg
node 252.7225117152669 4.0185e-05 deg
peri 132.5308796697934 4.7296e-05 deg
M 191.6813180330565 2.6786e-05 deg
tp 2459912.803172792971
(2022-Nov-29.30317279)
0.00015565 TDB
period 1951.23404227922
5.34
4.3051e-05
1.179e-07
d
yr
n .1844986260999665 4.0707e-09 deg/d
Q 3.629114502754364 5.3381e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      6734 days (18.44 yr)  
   first obs. used      2001-11-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:44:39  

Additional Information
 Earth MOID = 1.50684 au 
 Jupiter MOID = 1.89862 au 
 T_jup = 3.174 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457676.5 (2016-Oct-15.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1873082059888623 1.5568e-07  
q 2.485009820006697 4.6381e-07 au
tp 2457962.682905746958
(2017-Jul-28.18290575)
0.00013546 TDB
node 252.7317421627238 4.0181e-05 deg
peri 132.8363735749731 4.7231e-05 deg
i 12.20943964288016 1.4567e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      6734 days (18.44 yr)  
   first obs. used      2001-11-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:44:39  

Additional Information
 Jupiter MOID = 1.89862 au 
 T_jup = 3.174 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.423507518097865E-14 -7.200943627739067E-14 1.372312348476615E-11 -1.978015076789445E-13 2.174955658236386E-12 9.098994608058011E-15
q -7.200943627739067E-14 2.151168532751893E-13 -4.036430348173013E-11 5.829523047401687E-13 -6.420076495937772E-12 -2.413702672456863E-14
tp 1.372312348476615E-11 -4.036430348173013E-11 1.834906838703832E-8 -1.171692749941577E-10 3.422941571173117E-9 -6.516820115484472E-12
node -1.978015076789445E-13 5.829523047401687E-13 -1.171692749941577E-10 1.614544001491571E-9 -1.594555493468863E-9 -3.065011816364609E-10
peri 2.174955658236386E-12 -6.420076495937772E-12 3.422941571173117E-9 -1.594555493468863E-9 2.230776303373471E-9 2.980459171003828E-10
i 9.098994608058011E-15 -2.413702672456863E-14 -6.516820115484472E-12 -3.065011816364609E-10 2.980459171003828E-10 2.121916980996912E-10

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 16.4   n/a MPO434613  

437906 (2001 XF220)          Discovered 2001-Dec-15 by LINEAR at Socorro
Reference: Last Updated: 2015-07-06

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