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 ]  
11177 (1998 FH77)
Classification: Main-belt Asteroid          SPK-ID: 2011177
[ 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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03860182735624915 3.9419e-08  
a 3.055250065778061 1.8651e-08 au
q 2.937311830208727 1.1915e-07 au
i 10.85865441533779 5.1476e-06 deg
node 138.6777782605838 2.356e-05 deg
peri 285.6413469002447 7.3334e-05 deg
M 182.0640174794897 6.9386e-05 deg
tp 2459964.617242658632
(2023-Jan-20.11724266)		 0.00037676 TDB
period 1950.601572771264
5.34		 1.7861e-05
4.89e-08		 d
yr
n .184558448544948 1.69e-09 deg/d
Q 3.173188301347394 1.9371e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1661  
   data-arc span      10309 days (28.22 yr)  
   first obs. used      1992-02-04  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54194  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:30:05  

Additional Information
 Earth MOID = 1.97524 au 
 Jupiter MOID = 1.95752 au 
 T_jup = 3.207 
[ 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 13.0   n/a MPO473918  
diameter diameter 9.619 km 0.192 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.120   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11177 (1998 FH77)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 19990728/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FH77 = 1992 CT5 = 1992 CX4 = 1994 NX 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-04 22:04 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin