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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2095345266201361 4.3659e-08  
a 2.322751767057671 1.1319e-08 au
q 1.836055075091157 1.0101e-07 au
i 8.731607011301818 4.5277e-06 deg
node 18.38780049683184 2.7413e-05 deg
peri 9.729356767099558 2.9025e-05 deg
M 113.5224280776401 1.1144e-05 deg
tp 2458192.761429215854
(2018-Mar-15.26142922)
3.8657e-05 TDB
period 1293.012208846548
3.54
9.4519e-06
2.588e-08
d
yr
n .2784196448702861 2.0352e-09 deg/d
Q 2.809448459024185 1.3691e-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 = .840421 au 
 Jupiter MOID = 2.64593 au 
 T_jup = 3.532 
[ 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 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

[ show close-approach data ]
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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