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90194 (2003 AP54)
Classification: Main-belt Asteroid          SPK-ID: 2090194
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2077844457894947 5.0897e-08  
a 2.461618375903889 1.3154e-08 au
q 1.950132365921464 1.2228e-07 au
i 2.160665811735316 5.3279e-06 deg
node 30.28746652477828 9.2272e-05 deg
peri 202.2579902134536 9.3541e-05 deg
M 89.99151687319286 1.1498e-05 deg
tp 2458647.862425089009
(2019-Jun-13.36242509)
4.6344e-05 TDB
period 1410.683266366554
3.86
1.1307e-05
3.096e-08
d
yr
n .2551954847577082 2.0454e-09 deg/d
Q 2.973104385886316 1.5887e-08 au
  Orbit Determination Parameters
   # obs. used (total)      747  
   data-arc span      7357 days (20.14 yr)  
   first obs. used      2000-06-07  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5616  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:12:00  

Additional Information
 Earth MOID = .939517 au 
 Jupiter MOID = 2.02566 au 
 T_jup = 3.458 
[ 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 15.9   n/a MPO474781  

90194 (2003 AP54)          Discovered 2003-Jan-05 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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