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JPL Small-Body Database Browser
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52240 (1980 FQ4)
Classification: Main-belt Asteroid          SPK-ID: 2052240
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09925168347286557 3.9311e-08  
a 2.258696363945865 8.5746e-09 au
q 2.034516947370198 8.8829e-08 au
i 3.570931037212596 4.6439e-06 deg
node 167.8129586593265 6.0735e-05 deg
peri 38.04294737574344 6.4906e-05 deg
M 280.296621304109 2.4735e-05 deg
tp 2459275.010801052259
(2021-Mar-01.51080105)
8.5823e-05 TDB
period 1239.89584878047
3.39
7.0605e-06
1.933e-08
d
yr
n .290346967734497 1.6534e-09 deg/d
Q 2.482875780521533 9.4257e-09 au
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      14565 days (39.88 yr)  
   first obs. used      1980-03-16  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58468  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:24:31  

Additional Information
 Earth MOID = 1.03183 au 
 Jupiter MOID = 2.47526 au 
 T_jup = 3.612 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO452880  

52240 (1980 FQ4)          Discovered 1980-Mar-16 by Lagerkvist, C.-I. at La Silla
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1980 FQ4 = 1995 WP33 = 1997 ES10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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