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16921 (1998 FZ52)
Classification: Main-belt Asteroid          SPK-ID: 2016921
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07553462092830777 3.6386e-08  
a 3.093154985843613 1.6663e-08 au
q 2.85951469651541 1.1462e-07 au
i 3.773703622277701 4.2616e-06 deg
node 196.7816812996156 5.2602e-05 deg
peri 149.8120632933896 5.831e-05 deg
M 262.020771195626 2.6693e-05 deg
tp 2459741.294747578942
(2022-Jun-10.79474758)
0.00014918 TDB
period 1987.01409986734
5.44
1.6056e-05
4.396e-08
d
yr
n .1811763691178814 1.464e-09 deg/d
Q 3.326795275171815 1.7921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1994  
   data-arc span      9497 days (26.00 yr)  
   first obs. used      1994-07-14  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51788  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:47:03  

Additional Information
 Earth MOID = 1.85157 au 
 Jupiter MOID = 2.01579 au 
 T_jup = 3.216 
[ 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 13.38   n/a E2021B10  
diameter diameter 13.943 km 0.186 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16921 (1998 FZ52)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FZ52 = 1995 UH7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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