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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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .11022620025935 6.425e-08  
a 2.36088754398702 2.007e-08 au
q 2.100655880773702 1.5489e-07 au
i 11.38016081025314 7.4806e-06 deg
node 66.95584921212125 4.1621e-05 deg
peri 4.79066539324733 5.7766e-05 deg
M 291.6830258815895 3.828e-05 deg
tp 2459251.941813193817
(2021-Feb-06.44181319)
0.00014007 TDB
period 1324.986270511362
3.63
1.6896e-05
4.626e-08
d
yr
n .2717009285394802 3.4646e-09 deg/d
Q 2.621119207200338 2.2282e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      6563 days (17.97 yr)  
   first obs. used      2002-11-28  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5093  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:24:59  

Additional Information
 Earth MOID = 1.11528 au 
 Jupiter MOID = 2.64974 au 
 T_jup = 3.517 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457986.5 (2017-Aug-21.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1104965430678657 6.4706e-08  
q 2.100273990255749 1.5599e-07 au
tp 2457923.078752432793
(2017-Jun-18.57875243)
0.00014417 TDB
node 66.97520041865195 4.1592e-05 deg
peri 3.920228703894917 5.7623e-05 deg
i 11.38478061554228 7.4898e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      6563 days (17.97 yr)  
   first obs. used      2002-11-28  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5093  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:24:59  

Additional Information
 Jupiter MOID = 2.64974 au 
 T_jup = 3.517 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.186869883437569E-15 -1.002912496230864E-14 -3.179552882704907E-12 -7.014506835624195E-14 -7.401725991966683E-13 -8.957106824735637E-15
q -1.002912496230864E-14 2.433223615702432E-14 6.654535165642586E-12 1.626023889766714E-13 1.507911284705348E-12 2.158132316395033E-14
tp -3.179552882704907E-12 6.654535165642586E-12 2.078437940788612E-8 1.168791769575451E-10 5.824339879212739E-9 2.196684901847927E-11
node -7.014506835624195E-14 1.626023889766714E-13 1.168791769575451E-10 1.729859927813598E-9 -1.662333987307401E-9 -1.566188279426983E-10
peri -7.401725991966683E-13 1.507911284705348E-12 5.824339879212739E-9 -1.662333987307401E-9 3.320352998305244E-9 1.597505226765847E-10
i -8.957106824735637E-15 2.158132316395033E-14 2.196684901847927E-11 -1.566188279426983E-10 1.597505226765847E-10 5.609758295765112E-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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