Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
173618 (2001 FL38)
Classification: Main-belt Asteroid          SPK-ID: 2173618
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2041463597828973 5.4594e-08  
a 2.363093328894151 1.1984e-08 au
q 1.880676427973161 1.3021e-07 au
i 5.613547061007093 6.7527e-06 deg
node 333.0645940529801 4.5668e-05 deg
peri 216.7545269270006 4.7425e-05 deg
M 93.9864810287965 1.466e-05 deg
tp 2458654.096216589442
(2019-Jun-19.59621659)
5.2759e-05 TDB
period 1326.843612642467
3.63
1.0093e-05
2.763e-08
d
yr
n .2713205961650931 2.0639e-09 deg/d
Q 2.845510229815141 1.443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      7097 days (19.43 yr)  
   first obs. used      2001-02-22  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50476  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 13:05:04  

Additional Information
 Earth MOID = .885186 au 
 Jupiter MOID = 2.13102 au 
 T_jup = 3.515 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457219.5 (2015-Jul-16.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2041586010733174 5.4559e-08  
q 1.88035132864126 1.3007e-07 au
tp 2457326.966046319795
(2015-Oct-31.46604632)
4.8802e-05 TDB
node 333.1198452424985 4.5683e-05 deg
peri 216.5332670535318 4.7434e-05 deg
i 5.613134028739703 6.7514e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      7097 days (19.43 yr)  
   first obs. used      2001-02-22  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50476  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 13:05:04  

Additional Information
 Jupiter MOID = 2.13102 au 
 T_jup = 3.515 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.976727027642634E-15 -7.077571451884529E-15 -1.010152642088152E-12 2.163889848547157E-14 -2.555226314887847E-13 -3.302768069242269E-15
q -7.077571451884529E-15 1.691691642928203E-14 2.529019945737205E-12 -5.382395230021684E-14 6.390705099595407E-13 8.089490595085506E-15
tp -1.010152642088152E-12 2.529019945737205E-12 2.381668212022702E-9 -3.578975123946962E-12 6.352088771749349E-10 3.565604774025477E-12
node 2.163889848547157E-14 -5.382395230021684E-14 -3.578975123946962E-12 2.086938017203563E-9 -2.076986153418597E-9 -1.36317613298448E-11
peri -2.555226314887847E-13 6.390705099595407E-13 6.352088771749349E-10 -2.076986153418597E-9 2.25001078967892E-9 1.448650579510809E-11
i -3.302768069242269E-15 8.089490595085506E-15 3.565604774025477E-12 -1.36317613298448E-11 1.448650579510809E-11 4.558163426601356E-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 16.6   n/a MPO422663  

173618 (2001 FL38)          Discovered 2001-Mar-18 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-01 17:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin