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90605 (4814 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2090605
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08570326296543598 4.0063e-08  
a 2.952642370392635 1.877e-08 au
q 2.699591284879987 1.2004e-07 au
i 2.881041800843117 4.0587e-06 deg
node 131.4131911298913 9.0787e-05 deg
peri 265.2613931562741 9.3879e-05 deg
M 257.5292937818396 2.5496e-05 deg
tp 2459527.987201579367
(2021-Nov-09.48720158)
0.00013337 TDB
period 1853.167598594319
5.07
1.7671e-05
4.838e-08
d
yr
n .1942619762362942 1.8524e-09 deg/d
Q 3.205693455905283 2.0379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      21412 days (58.62 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5422  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:02:34  

Additional Information
 Earth MOID = 1.70846 au 
 Jupiter MOID = 2.15753 au 
 T_jup = 3.261 
[ 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 15.1   n/a MPO436406  

90605 (4814 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
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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