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JPL Small-Body Database Browser
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20297 (1998 FQ76)
Classification: Main-belt Asteroid          SPK-ID: 2020297
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .113503656953668 3.7379e-08  
a 2.577427158175893 1.2153e-08 au
q 2.284879750191229 9.8117e-08 au
i 6.738181622089317 4.051e-06 deg
node 59.05978297106644 3.1954e-05 deg
peri 335.4687978893593 3.6243e-05 deg
M 186.9293131601971 1.9129e-05 deg
tp 2459327.106107163399
(2021-Apr-22.60610716)
8.3022e-05 TDB
period 1511.395160874035
4.14
1.069e-05
2.927e-08
d
yr
n .2381905204670718 1.6847e-09 deg/d
Q 2.869974566160557 1.3533e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1623  
   data-arc span      15991 days (43.78 yr)  
   first obs. used      1975-11-06  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52617  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:29:35  

Additional Information
 Earth MOID = 1.29322 au 
 Jupiter MOID = 2.53246 au 
 T_jup = 3.408 
[ 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 14.1   n/a MPO384928  
diameter diameter 8.337 km 0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20297 (1998 FQ76)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FQ76 = 1975 VF7 = 1983 TB1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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