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17820 (1998 FZ125)
Classification: Outer Main-belt Asteroid          SPK-ID: 2017820
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04838094354430914 4.07e-08  
a 3.22957066470005 2.0999e-08 au
q 3.07332098869884 1.3387e-07 au
i 6.688434468885176 3.9251e-06 deg
node 277.6634978909738 4.0737e-05 deg
peri 47.52201819432069 5.8837e-05 deg
M 201.8781755566836 4.289e-05 deg
tp 2460131.618445539636
(2023-Jul-06.11844554)
0.00025367 TDB
period 2119.901168446438
5.80
2.0675e-05
5.661e-08
d
yr
n .1698192374995598 1.6562e-09 deg/d
Q 3.385820340701261 2.2015e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1218  
   data-arc span      9713 days (26.59 yr)  
   first obs. used      1994-08-12  
   last obs. used      2021-03-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53008  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:14:22  

Additional Information
 Earth MOID = 2.06359 au 
 Jupiter MOID = 1.81618 au 
 T_jup = 3.174 
[ 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 13.9   n/a MPO467899  
diameter diameter 7.708 km 0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17820 (1998 FZ125)          Discovered 1998-Mar-31 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FZ125 = 1994 PX29 = 1996 XN30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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