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90598 (4253 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2090598
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1641882958126034 5.3752e-08  
a 2.629583646702538 1.7962e-08 au
q 2.197836789053758 1.4054e-07 au
i 7.093533567261528 6.4684e-06 deg
node 352.1518010037011 4.6225e-05 deg
peri 98.82005373373612 5.07e-05 deg
M 289.4587363892006 2.5641e-05 deg
tp 2459305.689541234548
(2021-Apr-01.18954123)
0.00011302 TDB
period 1557.503072961925
4.26
1.5959e-05
4.369e-08
d
yr
n .2311391908302197 2.3683e-09 deg/d
Q 3.06133050435132 2.0912e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      21522 days (58.92 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55177  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:57:25  

Additional Information
 Earth MOID = 1.22769 au 
 Jupiter MOID = 2.15825 au 
 T_jup = 3.371 
[ 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 15.6   n/a MPO299525  

90598 (4253 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 ]
Alternate Designations
 4253 P-L = 1996 AF13 = 1999 XP202 = 2003 WS9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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