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90385 (2003 WU121)
Classification: Main-belt Asteroid          SPK-ID: 2090385
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1852316048553622 3.8464e-08  
a 2.265031436881122 8.8433e-09 au
q 1.845476028779785 8.7722e-08 au
i 4.971065635832077 4.5876e-06 deg
node 44.54320774434834 4.6247e-05 deg
peri 316.0871105135703 4.791e-05 deg
M 116.9274856569963 1.4862e-05 deg
tp 2458992.088135630317
(2020-May-22.58813563)
4.9851e-05 TDB
period 1245.115896874456
3.41
7.2919e-06
1.996e-08
d
yr
n .2891297114619513 1.6933e-09 deg/d
Q 2.684586844982459 1.0481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      759  
   data-arc span      8889 days (24.34 yr)  
   first obs. used      1996-11-08  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54682  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:16:14  

Additional Information
 Earth MOID = .845817 au 
 Jupiter MOID = 2.77359 au 
 T_jup = 3.589 
[ 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 16.23   n/a MPCxxxxx  

90385 (2003 WU121)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2003 WU121 = 2002 JQ109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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