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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2093932729204725 4.2141e-08  
a 2.323000126950747 1.0158e-08 au
q 1.836579527373857 9.6677e-08 au
i 8.730876448672543 4.4594e-06 deg
node 18.3835978143689 2.656e-05 deg
peri 9.658918939692585 2.8165e-05 deg
M 224.9932773460285 1.1494e-05 deg
tp 2459485.481498546235
(2021-Sep-27.98149855)
4.3193e-05 TDB
period 1293.219597102104
3.54
8.4824e-06
2.322e-08
d
yr
n .2783749958682205 1.8259e-09 deg/d
Q 2.809420726527637 1.2285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1028  
   data-arc span      13620 days (37.29 yr)  
   first obs. used      1982-10-14  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59442  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:48:38  

Additional Information
 Earth MOID = .841628 au 
 Jupiter MOID = 2.64867 au 
 T_jup = 3.531 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456966.5 (2014-Nov-05.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2080333717033513 4.1974e-08  
q 1.840054078932544 9.6086e-08 au
tp 2456898.536617425665
(2014-Aug-29.03661743)
3.5781e-05 TDB
node 18.43021582697173 2.6587e-05 deg
peri 9.611466417357736 2.8225e-05 deg
i 8.725762928291374 4.4558e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1028  
   data-arc span      13620 days (37.29 yr)  
   first obs. used      1982-10-14  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59442  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:48:38  

Additional Information
 Jupiter MOID = 2.64867 au 
 T_jup = 3.531 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.761790358684153E-15 -4.019225816256515E-15 2.485616166081637E-13 2.919639806198776E-14 -1.663807636997219E-14 -4.676116212297128E-15
q -4.019225816256515E-15 9.232535393951631E-15 -4.994383282563465E-13 -6.72496297757897E-14 5.634631465781526E-14 1.077361067327282E-14
tp 2.485616166081637E-13 -4.994383282563465E-13 1.280259693341281E-9 1.293366555967736E-11 3.466984865950285E-10 -2.926002638776376E-12
node 2.919639806198776E-14 -6.72496297757897E-14 1.293366555967736E-11 7.068627056299354E-10 -6.955112883880454E-10 7.646446287587106E-13
peri -1.663807636997219E-14 5.634631465781526E-14 3.466984865950285E-10 -6.955112883880454E-10 7.966503338245797E-10 -1.454479366783531E-12
i -4.676116212297128E-15 1.077361067327282E-14 -2.926002638776376E-12 7.646446287587106E-13 -1.454479366783531E-12 1.985400454642571E-11

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2028-Nov-29 23:54 < 00:01 Iris 0.0386947349077427 0.0386882262733158 0.0387012435951029 5.29435298089749 5.29435295283616 2462105.495641768 0.541526823259625 332.284555906804 32.423948536315 -12.520499501683 42259.1146806477 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 14:48:58 2020-Feb-23 14:49

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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