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22297 (1989 WA1)
Classification: Main-belt Asteroid          SPK-ID: 2022297
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06462506711898254 3.1684e-08  
a 2.255255125764961 6.2149e-09 au
q 2.109509111891971 7.1752e-08 au
i 9.872752130733993 3.3481e-06 deg
node 69.57611650946473 2.0839e-05 deg
peri 60.62906796594658 3.7003e-05 deg
M 1.228280838508502 3.0143e-05 deg
tp 2459196.279274378150
(2020-Dec-12.77927438)
0.00010358 TDB
period 1237.063362244621
3.39
5.1135e-06
1.4e-08
d
yr
n .2910117710921361 1.2029e-09 deg/d
Q 2.40100113963795 6.6165e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2123  
   data-arc span      19693 days (53.92 yr)  
   first obs. used      1967-04-11  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45502  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:03:50  

Additional Information
 Earth MOID = 1.14357 au 
 Jupiter MOID = 2.65603 au 
 T_jup = 3.602 
[ 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 14.1   n/a MPO531271  

22297 (1989 WA1)          Discovered 1989-Nov-21 by Mizuno, Y., Furuta, T. at Kani
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 WA1 = 1967 GZ = 1974 HY2 = 1999 UA3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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