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 ]  
74235 (1998 SF42)
Classification: Main-belt Asteroid          SPK-ID: 2074235
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1217090964758128 6.6256e-08  
a 2.652029486586982 1.9317e-08 au
q 2.329253373947267 1.8404e-07 au
i 1.708240047820422 6.1557e-06 deg
node 161.8461749351981 0.00018101 deg
peri 164.4846403730891 0.00018232 deg
M 294.6192970808611 2.0815e-05 deg
tp 2458886.992352926394
(2020-Feb-07.49235293)
9.1887e-05 TDB
period 1577.487583470297
4.32
1.7235e-05
4.719e-08
d
yr
n .2282109880117346 2.4934e-09 deg/d
Q 2.974805599226697 2.1668e-08 au
  Orbit Determination Parameters
   # obs. used (total)      407  
   data-arc span      8614 days (23.58 yr)  
   first obs. used      1996-01-19  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57336  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:43:27  

Additional Information
 Earth MOID = 1.31666 au 
 Jupiter MOID = 2.32578 au 
 T_jup = 3.379 
[ 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 16.0   n/a MPO436302  

74235 (1998 SF42)          Discovered 1998-Sep-27 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SF42 = 2001 FK173 = 2002 NW45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-12 06:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin