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22441 (1996 PA9)
Classification: Main-belt Asteroid          SPK-ID: 2022441
[ 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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07106548171577816 5.2107e-08  
a 2.155561957203783 8.3094e-09 au
q 2.002375908346891 1.1055e-07 au
i 1.904482458195941 5.2879e-06 deg
node 315.9525446845701 0.00010367 deg
peri 197.2158654365672 0.00010642 deg
M 57.26001753391957 2.3812e-05 deg
tp 2459016.639613730175
(2020-Jun-16.13961373)		 7.6386e-05 TDB
period 1155.950380523856
3.16		 6.684e-06
1.83e-08		 d
yr
n .3114320528506201 1.8008e-09 deg/d
Q 2.308748006060676 8.8999e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1192  
   data-arc span      10802 days (29.57 yr)  
   first obs. used      1990-10-19  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51796  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:06:23  

Additional Information
 Earth MOID = 1.01232 au 
 Jupiter MOID = 2.67206 au 
 T_jup = 3.697 
[ 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 15.53   n/a E2021B10  

22441 (1996 PA9)          Discovered 1996-Aug-08 by Elst, E. W. at La Silla
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 PA9 = 2000 YQ35 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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