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 ]  
382417 (1998 OF9)
Classification: Main-belt Asteroid          SPK-ID: 2382417
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .223651187858044 4.4697e-08  
a 2.329061694447205 1.2001e-08 au
q 1.808164279889419 1.0799e-07 au
i 1.341195573504806 6.3798e-06 deg
node 238.8354276300471 0.00020813 deg
peri 63.15450251565618 0.00020897 deg
M 60.23487858146596 1.5968e-05 deg
tp 2458783.272174716236
(2019-Oct-26.77217472)
5.7408e-05 TDB
period 1298.284630828783
3.55
1.0034e-05
2.747e-08
d
yr
n .2772889638000164 2.1431e-09 deg/d
Q 2.849959109004991 1.4685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      10181 days (27.87 yr)  
   first obs. used      1991-09-13  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59404  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:35:10  

Additional Information
 Earth MOID = .793222 au 
 Jupiter MOID = 2.38693 au 
 T_jup = 3.538 
[ 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 17.1   n/a MPO434369  

382417 (1998 OF9)          Discovered 1998-Jul-26 by Elst, E. W. at La Silla
Reference: Last Updated: 2014-01-21

Alternate Designations
 1998 OF9 = 2009 TR7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-03 00:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin