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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07646817013787412 5.3481e-08  
a 2.740229622375165 1.7783e-08 au
q 2.530689277394538 1.3849e-07 au
i 2.719791975650073 4.7265e-06 deg
node 158.9665325260832 7.6225e-05 deg
peri 6.853654471835287 7.9817e-05 deg
M 215.8910155488343 2.533e-05 deg
tp 2460059.734973161408
(2023-Apr-25.23497316)
0.00011923 TDB
period 1656.833480906371
4.54
1.6129e-05
4.416e-08
d
yr
n .2172819442319948 2.1152e-09 deg/d
Q 2.949769967355791 1.9143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      635  
   data-arc span      7643 days (20.93 yr)  
   first obs. used      2000-01-05  
   last obs. used      2020-12-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53181  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:39:54  

Additional Information
 Earth MOID = 1.53851 au 
 Jupiter MOID = 2.01621 au 
 T_jup = 3.344 
[ 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 15.47   n/a E2021B10  
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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