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 ]  
74167 (1998 RF2)
Classification: Main-belt Asteroid          SPK-ID: 2074167
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2037556665820869 3.8479e-08  
a 2.730085250448685 1.9356e-08 au
q 2.173814910417589 1.0806e-07 au
i 13.35247139918503 9.2175e-06 deg
node 20.43974326849939 1.9761e-05 deg
peri 265.6137247955088 3.1351e-05 deg
M 256.3977561259303 2.3568e-05 deg
tp 2459074.664898424166
(2020-Aug-13.16489842)
0.00010791 TDB
period 1647.641566916135
4.51
1.7523e-05
4.798e-08
d
yr
n .2184941234966573 2.3237e-09 deg/d
Q 3.286355590479781 2.33e-08 au
  Orbit Determination Parameters
   # obs. used (total)      780  
   data-arc span      23930 days (65.52 yr)  
   first obs. used      1953-10-31  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5509  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:11  

Additional Information
 Earth MOID = 1.20694 au 
 Jupiter MOID = 2.06499 au 
 T_jup = 3.286 
[ 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 14.5   n/a MPO436302  

74167 (1998 RF2)          Discovered 1998-Sep-15 by ODAS at Caussols
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RF2 = 2001 CA31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-08 21:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin