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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0515969725792544 8.4444e-08  
a 2.443372264293473 1.6735e-08 au
q 2.317301652571812 2.1829e-07 au
i 6.715951596603808 5.5197e-06 deg
node 174.0817247376379 3.6024e-05 deg
peri 348.0639915579292 6.3955e-05 deg
M 302.1457942304365 4.888e-05 deg
tp 2459224.689527461338
(2021-Jan-10.18952746)
0.0001888 TDB
period 1395.027877619597
3.82
1.4332e-05
3.924e-08
d
yr
n .2580593590819742 2.6513e-09 deg/d
Q 2.569442876015135 1.7599e-08 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   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      .55211  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:20:15  

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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05103938084369537 8.5298e-08  
q 2.318628774375997 2.2035e-07 au
tp 2457833.308357665774
(2017-Mar-20.80835767)
0.00019145 TDB
node 174.1119591793696 3.5995e-05 deg
peri 348.9275432608223 6.3474e-05 deg
i 6.718237419504812 5.522e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      733  
   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      .55211  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:20:15  

Additional Information
 Jupiter MOID = 2.39762 au 
 T_jup = 3.489 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.275720757629757E-15 -1.877342922933316E-14 8.739986042596168E-12 -7.169771818417922E-14 2.761725725292981E-12 9.255580221399098E-16
q -1.877342922933316E-14 4.855608192686358E-14 -2.232199501068048E-11 1.852349788964898E-13 -7.080329274447914E-12 -1.909704999041963E-15
tp 8.739986042596168E-12 -2.232199501068048E-11 3.665478648805297E-8 -1.122914949302654E-10 9.973350274587918E-9 8.433930011716673E-12
node -7.169771818417922E-14 1.852349788964898E-13 -1.122914949302654E-10 1.295654330647308E-9 -1.319513465282727E-9 9.161379971472846E-11
peri 2.761725725292981E-12 -7.080329274447914E-12 9.973350274587918E-9 -1.319513465282727E-9 4.028906232203135E-9 -8.881922031925842E-11
i 9.255580221399098E-16 -1.909704999041963E-15 8.433930011716673E-12 9.161379971472846E-11 -8.881922031925842E-11 3.049265056416473E-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

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