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 ]  
245053 (2004 FT91)
Classification: Outer Main-belt Asteroid          SPK-ID: 2245053
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 .0921924748241964 6.8094e-08  
a 3.212851748838967 4.929e-08 au
q 2.916650994870254 2.1843e-07 au
i 13.34041549868741 7.4367e-06 deg
node 78.41879108134655 2.8209e-05 deg
peri 172.9809995437759 4.7727e-05 deg
M 243.0248875995057 4.306e-05 deg
tp 2459683.979395598585
(2022-Apr-14.47939560)
0.00025954 TDB
period 2103.460961619482
5.76
4.8405e-05
1.325e-07
d
yr
n .1711465088103329 3.9385e-09 deg/d
Q 3.509052502807679 5.3834e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      5766 days (15.79 yr)  
   first obs. used      2004-03-22  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52991  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:39:20  

Additional Information
 Earth MOID = 1.90257 au 
 Jupiter MOID = 1.5464 au 
 T_jup = 3.142 
[ show covariance matrix ]

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 15.2   n/a MPO386060  
diameter diameter 4.847 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245053 (2004 FT91)          Discovered 2004-Mar-22 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 2004 FT91 = 2007 VD291 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-05 14:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin