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90804 (1994 WL8)
Classification: Main-belt Asteroid          SPK-ID: 2090804
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1010494749187944 4.3212e-08  
a 3.001782786222976 2.1332e-08 au
q 2.698454211854868 1.2522e-07 au
i 10.01987700818146 4.5127e-06 deg
node 106.0605412849334 2.5577e-05 deg
peri 229.161231598611 3.51e-05 deg
M 116.1579362731594 2.2932e-05 deg
tp 2458783.566006929581
(2019-Oct-27.06600693)
0.00012146 TDB
period 1899.62257065631
5.20
2.0249e-05
5.544e-08
d
yr
n .1895113300720689 2.0201e-09 deg/d
Q 3.305111360591083 2.3488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      526  
   data-arc span      9568 days (26.20 yr)  
   first obs. used      1994-11-28  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54469  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:41:59  

Additional Information
 Earth MOID = 1.69933 au 
 Jupiter MOID = 2.02426 au 
 T_jup = 3.222 
[ 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 15.15   n/a MPCxxxxx  

90804 (1994 WL8)          Discovered 1994-Nov-28 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1994 WL8 = 2001 BC19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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