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18677 (1998 FZ83)
Classification: Main-belt Asteroid          SPK-ID: 2018677
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526872062212674 3.6118e-08  
a 2.748903212645448 1.5035e-08 au
q 2.329180860933948 9.6703e-08 au
i 9.516699396611177 5.1807e-06 deg
node 17.51935170824401 2.3391e-05 deg
peri 266.4597009483691 2.9997e-05 deg
M 127.8061931527739 2.1011e-05 deg
tp 2458009.500656472975
(2017-Sep-13.00065647)
9.5613e-05 TDB
period 1664.706211970537
4.56
1.3657e-05
3.739e-08
d
yr
n .2162543741420071 1.7742e-09 deg/d
Q 3.168625564356948 1.733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1653  
   data-arc span      23835 days (65.26 yr)  
   first obs. used      1954-09-04  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47259  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:30:25  

Additional Information
 Earth MOID = 1.33665 au 
 Jupiter MOID = 2.06321 au 
 T_jup = 3.310 
[ 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 12.9   n/a MPO502310  
diameter diameter 6.755 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.322   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18677 (1998 FZ83)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FZ83 = 1954 RX = 1986 TF3 = 1990 JH1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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