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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1103382295327006 6.4164e-08  
a 2.361040275955607 1.9663e-08 au
q 2.100527272051267 1.5463e-07 au
i 11.37996547161623 7.3886e-06 deg
node 66.95638644248488 3.3666e-05 deg
peri 4.807455624121449 5.1729e-05 deg
M 346.0147150278898 3.5798e-05 deg
tp 2459251.978079909580
(2021-Feb-06.47807991)
0.00013155 TDB
period 1325.114847813689
3.63
1.6553e-05
4.532e-08
d
yr
n .2716745651095563 3.3937e-09 deg/d
Q 2.621553279859948 2.1832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      6651 days (18.21 yr)  
   first obs. used      2002-11-28  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4948  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:15:10  

Additional Information
 Earth MOID = 1.11462 au 
 Jupiter MOID = 2.64949 au 
 T_jup = 3.517 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.26   n/a MPCxxxxx  

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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