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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09913227365426874 3.9156e-08  
a 2.258460652477065 8.3647e-09 au
q 2.03457431303831 8.8327e-08 au
i 3.571230041675858 4.6148e-06 deg
node 167.810212089611 6.0133e-05 deg
peri 38.06821100663809 6.4087e-05 deg
M 338.3392022514874 2.3826e-05 deg
tp 2459275.091470033928
(2021-Mar-01.59147003)
8.2201e-05 TDB
period 1239.701765557465
3.39
6.8872e-06
1.886e-08
d
yr
n .2903924234052506 1.6133e-09 deg/d
Q 2.482346991915819 9.1939e-09 au
  Orbit Determination Parameters
   # obs. used (total)      637  
   data-arc span      14940 days (40.90 yr)  
   first obs. used      1980-03-16  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58212  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:43:45  

Additional Information
 Earth MOID = 1.031 au 
 Jupiter MOID = 2.47468 au 
 T_jup = 3.613 
[ 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 16.48   n/a E2021B10  

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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