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90378 (2003 WL23)
Classification: Main-belt Asteroid          SPK-ID: 2090378
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07498823238930606 5.4713e-08  
a 2.743872987019423 2.0685e-08 au
q 2.538114801822071 1.4408e-07 au
i 2.716513355177821 5.2982e-06 deg
node 158.9819738852291 0.00010256 deg
peri 6.926777615669392 0.00010768 deg
M 129.85812624472 3.1371e-05 deg
tp 2458401.659637798454
(2018-Oct-10.15963780)
0.00014503 TDB
period 1660.138927203426
4.55
1.8772e-05
5.139e-08
d
yr
n .2168493215242143 2.4521e-09 deg/d
Q 2.949631172216775 2.2236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      559  
   data-arc span      7119 days (19.49 yr)  
   first obs. used      2000-01-05  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54515  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:09:34  

Additional Information
 Earth MOID = 1.5451 au 
 Jupiter MOID = 2.0179 au 
 T_jup = 3.343 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO432442  
diameter diameter 3.601 km 0.604 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.103   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90378 (2003 WL23)          Discovered 2003-Nov-18 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2003 WL23 = 2001 KE64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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