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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2951908780631764 4.3575e-08  
a 3.099350564075678 2.4026e-08 au
q 2.184450549640577 1.3947e-07 au
i 16.45909474390742 5.9002e-06 deg
node 75.84006831970355 1.8309e-05 deg
peri 266.4310603184533 2.0503e-05 deg
M 88.21257109707767 1.1664e-05 deg
tp 2458112.148575419780
(2017-Dec-24.64857542)
6.2443e-05 TDB
period 1992.98706139519
5.46
2.3174e-05
6.345e-08
d
yr
n .1806333854209681 2.1004e-09 deg/d
Q 4.014250578510778 3.1118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      689  
   data-arc span      10397 days (28.47 yr)  
   first obs. used      1990-09-17  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61215  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:05:22  

Additional Information
 Earth MOID = 1.24918 au 
 Jupiter MOID = 1.82415 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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