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65917 (1998 FG38)
Classification: Main-belt Asteroid          SPK-ID: 2065917
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05159697276893679 8.4447e-08  
a 2.443372264211252 1.6736e-08 au
q 2.317301652030368 2.183e-07 au
i 6.715951659850833 5.5199e-06 deg
node 174.0817246135346 3.603e-05 deg
peri 348.0639917290092 6.3965e-05 deg
M 302.1457942051878 4.8886e-05 deg
tp 2459224.689527547862
(2021-Jan-10.18952755)
0.00018882 TDB
period 1395.027877549181
3.82
1.4333e-05
3.924e-08
d
yr
n .2580593590950001 2.6513e-09 deg/d
Q 2.569442876392135 1.7599e-08 au
  Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      9981 days (27.33 yr)  
   first obs. used      1992-09-29  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55364  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:48:15  

Additional Information
 Earth MOID = 1.32489 au 
 Jupiter MOID = 2.39762 au 
 T_jup = 3.489 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457219.5 (2015-Jul-16.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05103938103702795 8.5302e-08  
q 2.318628773853921 2.2036e-07 au
tp 2457833.308357767214
(2017-Mar-20.80835777)
0.00019148 TDB
node 174.1119590557191 3.6001e-05 deg
peri 348.9275434166101 6.3484e-05 deg
i 6.718237482768941 5.5222e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      9981 days (27.33 yr)  
   first obs. used      1992-09-29  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55364  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:48:15  

Additional Information
 Jupiter MOID = 2.39762 au 
 T_jup = 3.489 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.276370904151636E-15 -1.877510029388756E-14 8.742446121064121E-12 -7.179659016407161E-14 2.762521918949026E-12 9.205048481290795E-16
q -1.877510029388756E-14 4.856037704617903E-14 -2.232831798540312E-11 1.854894303915185E-13 -7.082376003955772E-12 -1.896697236520225E-15
tp 8.742446121064121E-12 -2.232831798540312E-11 3.666417778001495E-8 -1.124760943319752E-10 9.976197558628912E-9 8.426373239106576E-12
node -7.179659016407161E-14 1.854894303915185E-13 -1.124760943319752E-10 1.296104548146127E-9 -1.320014458246758E-9 9.164112181455855E-11
peri 2.762521918949026E-12 -7.082376003955772E-12 9.976197558628912E-9 -1.320014458246758E-9 4.030212948953447E-9 -8.884858983682628E-11
i 9.205048481290795E-16 -1.896697236520225E-15 8.426373239106576E-12 9.164112181455855E-11 -8.884858983682628E-11 3.049431003528864E-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 15.8   n/a MPO453054  

65917 (1998 FG38)          Discovered 1998-Mar-20 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
2195-Jan-13 03:33 00:40 Psych 0.0451638940188179 0.045155228610885 0.0451725757967234 2.33946576137781 2.33946564686737 2522779.647805718 39.9193865319373 1425.27962878117 40.024829816468 -72.4358574349309 160520.42479511 T 17 CATAB v2.0f-lin.ifort 2020-Feb-23 14:48:32 2020-Feb-23 14:48

Alternate Designations
 1998 FG38 = 2002 EC89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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