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52290 (1990 SF)
Classification: Main-belt Asteroid          SPK-ID: 2052290
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2955831157329719 4.2528e-08  
a 3.098598853785405 2.321e-08 au
q 2.182705350176899 1.3528e-07 au
i 16.45798840879458 5.2376e-06 deg
node 75.83408955997592 1.778e-05 deg
peri 266.4216853397263 1.9658e-05 deg
M 160.4660111136808 1.1886e-05 deg
tp 2458112.471269201416
(2017-Dec-24.97126920)
6.1062e-05 TDB
period 1992.262042713883
5.45
2.2385e-05
6.129e-08
d
yr
n .1806991210401237 2.0303e-09 deg/d
Q 4.01449235739391 3.0071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      759  
   data-arc span      10808 days (29.59 yr)  
   first obs. used      1990-09-17  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:20:49  

Additional Information
 Earth MOID = 1.24824 au 
 Jupiter MOID = 1.82683 au 
 T_jup = 3.093 
[ 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 14.0   n/a MPO468400  

52290 (1990 SF)          Discovered 1990-Sep-17 by McNaught, R. H. at Siding Spring
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 SF = 2000 HW19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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