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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
16927 (1998 FX68)
Classification: Outer Main-belt Asteroid          SPK-ID: 2016927
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1405846904601459 3.6763e-08  
a 3.98121960430618 3.3264e-08 au
q 3.421521078580931 1.5053e-07 au
i 12.91766219240999 4.6679e-06 deg
node 207.1264085496461 1.8322e-05 deg
peri 93.65564093693956 2.5458e-05 deg
M 250.4787563505521 1.9873e-05 deg
tp 2460279.210908767236
(2023-Nov-30.71090877)
0.00016554 TDB
period 2901.50035342305
7.94
3.6364e-05
9.956e-08
d
yr
n .1240737398412822 1.555e-09 deg/d
Q 4.540918130031429 3.7941e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1836  
   data-arc span      10146 days (27.78 yr)  
   first obs. used      1993-09-16  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49857  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 14:18:01  

Additional Information
 Earth MOID = 2.44166 au 
 Jupiter MOID = .95673 au 
 T_jup = 2.995 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457387.5 (2015-Dec-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1390284482922874 3.6687e-08  
q 3.429356398109524 1.5017e-07 au
tp 2457371.939037409085
(2015-Dec-15.43903741)
0.00015214 TDB
node 207.1905307857781 1.8322e-05 deg
peri 93.28109326522431 2.5619e-05 deg
i 12.9139461275783 4.6666e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1836  
   data-arc span      10146 days (27.78 yr)  
   first obs. used      1993-09-16  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49857  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 14:18:01  

Additional Information
 Jupiter MOID = .95673 au 
 T_jup = 2.995 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.345964176322226E-15 -5.410601209489516E-15 1.465690512833328E-12 -9.319501755175707E-16 1.862693952467761E-13 9.407692900183434E-16
q -5.410601209489516E-15 2.255041824184314E-14 -4.453443343065959E-12 -1.818103014707997E-15 -5.788765278068047E-13 -1.276702219138971E-15
tp 1.465690512833328E-12 -4.453443343065959E-12 2.314516470777634E-8 -7.456624148798862E-12 2.756501917538437E-9 4.895489187440765E-12
node -9.319501755175707E-16 -1.818103014707997E-15 -7.456624148798862E-12 3.357032997523645E-10 -3.281619005326466E-10 -2.499977725648409E-11
peri 1.862693952467761E-13 -5.788765278068047E-13 2.756501917538437E-9 -3.281619005326466E-10 6.563527782789274E-10 2.502296202793897E-11
i 9.407692900183434E-16 -1.276702219138971E-15 4.895489187440765E-12 -2.499977725648409E-11 2.502296202793897E-11 2.177751942160944E-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 12.05   n/a MPO636318  
diameter diameter 22.595 km 0.405 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 33.856 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D.; Stephens, R.D.; Coley, D.R. (2017) Minor Planet Bull. 44, 130-137.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
[Williamson, B.; Sonnett, S.; Witry, J.; Chatelain, J.; Grav, T.; et al. (2020) Minor Planet Bull. 47, 66-68.]
geometric albedo albedo 0.066   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

16927 (1998 FX68)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ 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 2021-Sep-22 12:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin