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JPL Small-Body Database Browser
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469673 (2004 XJ18)
Classification: Main-belt Asteroid          SPK-ID: 2469673
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2937241638862036 9.9953e-08  
a 2.599517521369492 6.073e-08 au
q 1.835976410897702 2.9141e-07 au
i 2.572351989430165 7.8194e-06 deg
node 47.38178548828919 0.00023498 deg
peri 333.3189376370251 0.00024155 deg
M 183.7043466764497 6.1029e-05 deg
tp 2459350.181259111229
(2021-May-15.68125911)
0.00028503 TDB
period 1530.867314038254
4.19
5.3646e-05
1.469e-07
d
yr
n .2351608115861857 8.2407e-09 deg/d
Q 3.363058631841283 7.8567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      6244 days (17.10 yr)  
   first obs. used      2000-12-19  
   last obs. used      2018-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61173  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:57:04  

Additional Information
 Earth MOID = .838515 au 
 Jupiter MOID = 2.09357 au 
 T_jup = 3.352 
[ 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 17.5   n/a MPO437769  

469673 (2004 XJ18)          Discovered 2004-Dec-08 by LINEAR at Socorro
Reference: Last Updated: 2016-08-22

Alternate Designations
 2004 XJ18 = 2008 SL12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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