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 ]  
39916 (1998 FH47)
Classification: Main-belt Asteroid          SPK-ID: 2039916
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1280322334876996 3.2358e-08  
a 2.352611454432174 9.6031e-09 au
q 2.051401355392477 7.5892e-08 au
i 1.113821003639291 3.5796e-06 deg
node 283.6314236285086 0.00024524 deg
peri 143.8390159753525 0.00024618 deg
M 153.4146242325503 1.9969e-05 deg
tp 2458438.821244788912
(2018-Nov-16.32124479)
7.2867e-05 TDB
period 1318.025272280982
3.61
8.07e-06
2.209e-08
d
yr
n .2731358856093721 1.6724e-09 deg/d
Q 2.65382155347187 1.0833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      14714 days (40.28 yr)  
   first obs. used      1978-10-27  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52365  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:09:01  

Additional Information
 Earth MOID = 1.06546 au 
 Jupiter MOID = 2.60385 au 
 T_jup = 3.545 
[ 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 15.4   n/a MPO468240  
rotation period rot_per 7.273 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

39916 (1998 FH47)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FH47 = 1978 UF5 = 2000 WZ96 
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-01 00:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin