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 ]  
37904 (1998 FU68)
Classification: Main-belt Asteroid          SPK-ID: 2037904
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1215805866194479 3.5802e-08  
a 2.650289922738069 1.3236e-08 au
q 2.328066119219963 9.5249e-08 au
i 11.34876006768206 4.3102e-06 deg
node 205.212427973733 2.1936e-05 deg
peri 21.59806553777442 2.9247e-05 deg
M 25.74514341859009 2.1253e-05 deg
tp 2458887.798078787398
(2020-Feb-08.29807879)
9.2729e-05 TDB
period 1575.935739679745
4.31
1.1806e-05
3.232e-08
d
yr
n .2284357102486664 1.7113e-09 deg/d
Q 2.972513726256174 1.4845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1163  
   data-arc span      9336 days (25.56 yr)  
   first obs. used      1994-06-14  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53476  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:40:41  

Additional Information
 Earth MOID = 1.32335 au 
 Jupiter MOID = 2.00764 au 
 T_jup = 3.352 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO436033  
diameter diameter 7.043 km 0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37904 (1998 FU68)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FU68 = 1999 RH131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-31 10:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin