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JPL Small-Body Database Browser
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65942 (1998 FL90)
Classification: Main-belt Asteroid          SPK-ID: 2065942
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2093932514736578 4.3687e-08  
a 2.323000119365208 1.1219e-08 au
q 1.836579571197632 1.0114e-07 au
i 8.730873938919878 4.5273e-06 deg
node 18.38360869753841 2.7416e-05 deg
peri 9.658894924559206 2.9029e-05 deg
M 224.9932893663746 1.1572e-05 deg
tp 2459485.481452990334
(2021-Sep-27.98145299)
4.3594e-05 TDB
period 1293.219590767773
3.54
9.3682e-06
2.565e-08
d
yr
n .2783749972317316 2.0166e-09 deg/d
Q 2.809420667532784 1.3568e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1000  
   data-arc span      13355 days (36.56 yr)  
   first obs. used      1982-10-14  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58371  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:27:09  

Additional Information
 Earth MOID = .841628 au 
 Jupiter MOID = 2.64867 au 
 T_jup = 3.531 
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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 14.9   n/a MPO385236  
diameter diameter 2.480 km 0.498 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.345   0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65942 (1998 FL90)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 FL90 = 1982 TJ1 = 2000 WJ135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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