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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .111883325714113 3.4081e-08  
a 2.577142431434669 1.0487e-08 au
q 2.288803165366803 9.1709e-08 au
i 6.729995998350272 3.1943e-06 deg
node 58.99948202528935 3.0646e-05 deg
peri 335.8422467469248 3.4697e-05 deg
M 329.344912991585 1.7788e-05 deg
tp 2459329.178536058503
(2021-Apr-24.67853606)
7.4992e-05 TDB
period 1511.144723495479
4.14
9.2235e-06
2.525e-08
d
yr
n .2382299950512166 1.4541e-09 deg/d
Q 2.865481697502535 1.166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1982  
   data-arc span      16535 days (45.27 yr)  
   first obs. used      1975-11-06  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49723  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:16:37  

Additional Information
 Earth MOID = 1.2967 au 
 Jupiter MOID = 2.53599 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 14.13   n/a E2021B10  
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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