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120789 (1998 FQ24)
Classification: Main-belt Asteroid          SPK-ID: 2120789
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1907170585144206 2.8505e-08  
a 2.76643071252116 1.1565e-08 au
q 2.238825184445172 7.9179e-08 au
i 12.39094344907218 5.2016e-06 deg
node 342.0495597189847 1.51e-05 deg
peri 101.457168892787 2.1258e-05 deg
M 44.6676576463919 1.3426e-05 deg
tp 2458991.969876183231
(2020-May-22.46987618)		 6.2439e-05 TDB
period 1680.653263001374
4.60		 1.0539e-05
2.885e-08		 d
yr
n .2142024223111306 1.3432e-09 deg/d
Q 3.294036240597149 1.3771e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1006  
   data-arc span      8357 days (22.88 yr)  
   first obs. used      1998-03-03  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49017  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:25:54  

Additional Information
 Earth MOID = 1.2931 au 
 Jupiter MOID = 2.04122 au 
 T_jup = 3.279 
[ 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 14.83   n/a E2021B55  
diameter diameter 3.136 km 0.316 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.216   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

120789 (1998 FQ24)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 FQ24 = 2005 QE42 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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