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43865 (1994 PX9)
Classification: Main-belt Asteroid          SPK-ID: 2043865
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1317791436479387 4.5763e-08  
a 2.53961365940205 1.334e-08 au
q 2.20494554616944 1.153e-07 au
i 1.267839581520021 3.7696e-06 deg
node 17.19595868165512 0.00025369 deg
peri 313.2973125270589 0.00025427 deg
M 183.5420917903025 2.0373e-05 deg
tp 2459925.083656802066
(2022-Dec-11.58365680)
8.6668e-05 TDB
period 1478.256877774824
4.05
1.1647e-05
3.189e-08
d
yr
n .2435300693759647 1.9188e-09 deg/d
Q 2.87428177263466 1.5098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      556  
   data-arc span      9719 days (26.61 yr)  
   first obs. used      1994-08-10  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50162  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:27:33  

Additional Information
 Earth MOID = 1.19237 au 
 Jupiter MOID = 2.45009 au 
 T_jup = 3.434 
[ 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 15.7   n/a MPO452772  

43865 (1994 PX9)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 PX9 = 1997 GU8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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