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434183 (2002 XL9)
Classification: Main-belt Asteroid          SPK-ID: 2434183
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1102261667007821 6.4597e-08  
a 2.36088752939052 2.6512e-08 au
q 2.100655947014123 1.5529e-07 au
i 11.38016508797127 7.7022e-06 deg
node 66.95577888043712 5.7636e-05 deg
peri 4.790674165976323 8.1365e-05 deg
M 291.6830918828272 6.2111e-05 deg
tp 2459251.941567943255
(2021-Feb-06.44156794)
0.00023028 TDB
period 1324.986258223507
3.63
2.2319e-05
6.111e-08
d
yr
n .2717009310592207 4.5767e-09 deg/d
Q 2.621119111766917 2.9435e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      5584 days (15.29 yr)  
   first obs. used      2002-11-28  
   last obs. used      2018-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55887  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:14:43  

Additional Information
 Earth MOID = 1.11528 au 
 Jupiter MOID = 2.64974 au 
 T_jup = 3.517 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457288.5 (2015-Sep-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1108358622188885 6.4921e-08  
q 2.099253065545212 1.5637e-07 au
tp 2457923.247074134280
(2017-Jun-18.74707413)
0.00022045 TDB
node 66.98554774890306 5.7597e-05 deg
peri 4.012706565994981 8.1088e-05 deg
i 11.38509713763575 7.709e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      5584 days (15.29 yr)  
   first obs. used      2002-11-28  
   last obs. used      2018-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55887  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:14:43  

Additional Information
 Jupiter MOID = 2.64974 au 
 T_jup = 3.517 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.214729803534374E-15 -1.00357799077399E-14 -2.555484225206856E-12 4.778212429951784E-14 -7.043818587735398E-13 -2.886804695066599E-15
q -1.00357799077399E-14 2.445310161084674E-14 7.792797623483935E-12 -1.109535404265019E-13 2.053717528084512E-12 1.081474094571961E-14
tp -2.555484225206856E-12 7.792797623483935E-12 4.859997421236274E-8 -3.478590264813937E-11 1.273567386247771E-8 4.971712402129966E-11
node 4.778212429951784E-14 -1.109535404265019E-13 -3.478590264813937E-11 3.317433903681052E-9 -3.261897427286419E-9 -1.055544581244257E-10
peri -7.043818587735398E-13 2.053717528084512E-12 1.273567386247771E-8 -3.261897427286419E-9 6.575253551084394E-9 1.160782539616417E-10
i -2.886804695066599E-15 1.081474094571961E-14 4.971712402129966E-11 -1.055544581244257E-10 1.160782539616417E-10 5.942925773076881E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO437680  

434183 (2002 XL9)          Discovered 2002-Nov-28 by LONEOS at Anderson Mesa
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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