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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07571326656196604 3.6155e-08  
a 3.094172449290647 1.6325e-08 au
q 2.859902545848813 1.1431e-07 au
i 3.773412414009361 4.2331e-06 deg
node 196.7715536958173 5.259e-05 deg
peri 149.5969928662204 5.8253e-05 deg
M 297.7650876737151 2.6652e-05 deg
tp 2459740.174081306460
(2022-Jun-09.67408131)
0.00014831 TDB
period 1987.994594122237
5.44
1.5733e-05
4.307e-08
d
yr
n .1810870115363425 1.4332e-09 deg/d
Q 3.328442352732481 1.7561e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2018  
   data-arc span      9855 days (26.98 yr)  
   first obs. used      1994-07-14  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51541  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 13:57:54  

Additional Information
 Earth MOID = 1.8529 au 
 Jupiter MOID = 2.01283 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 13.39   n/a MPCxxxxx  
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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