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22145 (2000 WJ17)
Classification: Main-belt Asteroid          SPK-ID: 2022145
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1725158890842065 2.8443e-08  
a 2.24914476756853 7.1309e-09 au
q 1.861131558312354 6.5958e-08 au
i 10.09759155379652 3.9318e-06 deg
node 63.52421242534186 2.0263e-05 deg
peri 69.28562051566647 2.4293e-05 deg
M 292.8491466739702 1.3105e-05 deg
tp 2459430.312462807263
(2021-Aug-03.81246281)
4.5183e-05 TDB
period 1232.039244668018
3.37
5.8593e-06
1.604e-08
d
yr
n .2921984843891922 1.3896e-09 deg/d
Q 2.637157976824706 8.3611e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1599  
   data-arc span      11005 days (30.13 yr)  
   first obs. used      1991-01-19  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45101  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:01:36  

Additional Information
 Earth MOID = .903123 au 
 Jupiter MOID = 2.46829 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 15.01   n/a E2021B10  

22145 (2000 WJ17)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 WJ17 = 1998 GU1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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