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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
65926 (1998 FN55)
Classification: Main-belt Asteroid          SPK-ID: 2065926
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1353702520121449 3.3451e-08  
a 2.232351777850076 7.3021e-09 au
q 1.930157755102752 7.6515e-08 au
i 4.488662837714616 4.0378e-06 deg
node 33.4886874082495 4.4956e-05 deg
peri 27.83016050640726 4.7781e-05 deg
M 343.2206762085136 1.7923e-05 deg
tp 2459057.282476473261
(2020-Jul-26.78247647)
6.0819e-05 TDB
period 1218.266706358325
3.34
5.9775e-06
1.637e-08
d
yr
n .295501796216792 1.4499e-09 deg/d
Q 2.534545800597401 8.2906e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1512  
   data-arc span      11514 days (31.52 yr)  
   first obs. used      1988-04-20  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52355  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:48:17  

Additional Information
 Earth MOID = .944001 au 
 Jupiter MOID = 2.76236 au 
 T_jup = 3.625 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456579.5 (2013-Oct-14.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1354179993782782 3.3603e-08  
q 1.930173496929481 7.6878e-08 au
tp 2456619.138183309668
(2013-Nov-22.63818331)
5.4272e-05 TDB
node 33.57372985140051 4.488e-05 deg
peri 27.48855976400784 4.7704e-05 deg
i 4.493253157812687 4.0405e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1512  
   data-arc span      11514 days (31.52 yr)  
   first obs. used      1988-04-20  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52355  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:48:17  

Additional Information
 Jupiter MOID = 2.76236 au 
 T_jup = 3.625 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.129130244291645E-15 -2.575080328086373E-15 -5.611456995535345E-13 8.356503932763138E-15 -1.778502822420156E-13 -6.152345876931362E-16
q -2.575080328086373E-15 5.910272081467875E-15 1.405228710782371E-12 -1.917998156535253E-14 4.41274269142083E-13 1.518070206944618E-15
tp -5.611456995535345E-13 1.405228710782371E-12 2.945474878238416E-9 -8.887984443219923E-12 8.880521950193876E-10 1.251754186423325E-12
node 8.356503932763138E-15 -1.917998156535253E-14 -8.887984443219923E-12 2.014193739089322E-9 -2.009993561962111E-9 -3.762445371622521E-11
peri -1.778502822420156E-13 4.41274269142083E-13 8.880521950193876E-10 -2.009993561962111E-9 2.275627509552041E-9 3.787250688039787E-11
i -6.152345876931362E-16 1.518070206944618E-15 1.251754186423325E-12 -3.762445371622521E-11 3.787250688039787E-11 1.632572140961459E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO385235  
rotation period rot_per 2.891 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

65926 (1998 FN55)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FN55 = 1999 NK28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-06 02:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin