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437905 (2001 XU30)
Classification: Apollo [NEO, PHA]          SPK-ID: 2437905
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .667214850807505 8.5721e-08  
a 2.191725760974883 5.9838e-09 au
q .7293737843550611 1.8779e-07 au
i 8.915305934747892 2.3193e-05 deg
node 72.46658862074851 5.697e-05 deg
peri 106.5827655058037 6.1815e-05 deg
M 223.2134931327316 8.8867e-06 deg
tp 2459450.817167077003
(2021-Aug-24.31716708)
3.0969e-05 TDB
period 1185.162073807687
3.24
4.8535e-06
1.329e-08
d
yr
n .3037559233087779 1.244e-09 deg/d
Q 3.654077737594705 9.9762e-09 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      4930 days (13.50 yr)  
   first obs. used      2001-12-13  
   last obs. used      2015-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52069  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:20:39  

Additional Information
 Earth MOID = .00198301 au 
 Jupiter MOID = 1.41257 au 
 T_jup = 3.329 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454953.5 (2009-May-02.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6636517390804351 8.5029e-08  
q .7395833288475243 1.8667e-07 au
tp 2454704.126580668219
(2008-Aug-25.62658067)
1.6765e-05 TDB
node 73.45731478361456 5.6975e-05 deg
peri 105.4539971397396 6.2184e-05 deg
i 8.870291762182374 2.3194e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      4930 days (13.50 yr)  
   first obs. used      2001-12-13  
   last obs. used      2015-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52069  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:20:39  

Additional Information
 Jupiter MOID = 1.41257 au 
 T_jup = 3.329 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.22990113034601E-15 -1.587232748060432E-14 3.03060397164668E-13 -8.128087408703177E-13 2.344006088608099E-12 -4.830139170164019E-13
q -1.587232748060432E-14 3.484752186981326E-14 -6.464865874884149E-13 1.776229647918876E-12 -5.124424122005468E-12 1.067520874677631E-12
tp 3.03060397164668E-13 -6.464865874884149E-13 2.81051076695844E-10 -2.515668264628949E-11 2.970388630337294E-10 1.175317481880752E-10
node -8.128087408703177E-13 1.776229647918876E-12 -2.515668264628949E-11 3.246102220443048E-9 -3.306017171262912E-9 1.110217612834888E-9
peri 2.344006088608099E-12 -5.124424122005468E-12 2.970388630337294E-10 -3.306017171262912E-9 3.866835105129884E-9 -1.061402920730007E-9
i -4.830139170164019E-13 1.067520874677631E-12 1.175317481880752E-10 1.110217612834888E-9 -1.061402920730007E-9 5.379719271591679E-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 19.8   n/a MPCxxxxx  
SMASSII spectral type spec_B Sq   n/a Binzel et al. (2004) Icarus 170, 259-294  

437905 (2001 XU30)          Discovered 2001-Dec-13 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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