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JPL Small-Body Database Browser
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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 ]

[ 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 .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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457295.5 (2015-Sep-30.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2181104708734136 4.1967e-08  
q 1.826692171039351 9.9256e-08 au
tp 2456900.721779347362
(2014-Aug-31.22177935)
9.7724e-05 TDB
node 222.4180005577051 8.9865e-05 deg
peri 203.0742997304094 9.4238e-05 deg
i 4.799976621536983 5.8909e-06 deg
  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
 Jupiter MOID = 2.47745 au 
 T_jup = 3.530 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.761260696033582E-15 -4.124097348627333E-15 -5.623176390681113E-13 3.31498403449492E-15 -2.266851773451802E-13 -2.510329188334706E-15
q -4.124097348627333E-15 9.851850423125557E-15 2.204480056087657E-12 2.87903697698788E-14 7.945612715916064E-13 3.879787634666254E-15
tp -5.623176390681113E-13 2.204480056087657E-12 9.550018494564727E-9 3.560100805610299E-10 2.858169450009187E-9 -2.254472619186489E-11
node 3.31498403449492E-15 2.87903697698788E-14 3.560100805610299E-10 8.075754451548792E-9 -7.927694082769699E-9 -2.125609047781053E-10
peri -2.266851773451802E-13 7.945612715916064E-13 2.858169450009187E-9 -7.927694082769699E-9 8.880799218926366E-9 2.042823893759854E-10
i -2.510329188334706E-15 3.879787634666254E-15 -2.254472619186489E-11 -2.125609047781053E-10 2.042823893759854E-10 3.470262661793499E-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 17.6   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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