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423068 (2003 WJ129)
Classification: Main-belt Asteroid          SPK-ID: 2423068
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2169807966173429 4.2036e-08  
a 2.33791880306034 1.8629e-08 au
q 1.830635318745643 9.9769e-08 au
i 4.796578845310454 5.8856e-06 deg
node 222.3808821733828 8.9943e-05 deg
peri 202.9961026935338 9.4391e-05 deg
M 219.7028135189376 3.2169e-05 deg
tp 2459509.349115158079
(2021-Oct-21.84911516)
0.00012157 TDB
period 1305.697470145884
3.57
1.5606e-05
4.273e-08
d
yr
n .275714710513897 3.2955e-09 deg/d
Q 2.845202287375038 2.2672e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      5658 days (15.49 yr)  
   first obs. used      2003-10-28  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58898  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:05:02  

Additional Information
 Earth MOID = .845179 au 
 Jupiter MOID = 2.47745 au 
 T_jup = 3.530 
[ 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 17.6   n/a MPO419083  
diameter diameter 1.720 km 0.394 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

423068 (2003 WJ129)          Discovered 2003-Nov-21 by LINEAR at Socorro
Reference: Last Updated: 2015-02-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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