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 ]  
35665 (1998 RF18)
Classification: Main-belt Asteroid          SPK-ID: 2035665
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1321187324116632 3.4283e-08  
a 2.303226340162223 8.542e-09 au
q 1.998926995642836 7.9634e-08 au
i 2.495589494259144 4.4553e-06 deg
node 301.8130655356787 9.8981e-05 deg
peri 317.4604607113823 0.00010063 deg
M 31.27145577377475 1.8447e-05 deg
tp 2458489.595554876886
(2019-Jan-06.09555488)
6.5309e-05 TDB
period 1276.742615794813
3.50
7.1026e-06
1.945e-08
d
yr
n .2819675599031277 1.5686e-09 deg/d
Q 2.60752568468161 9.6706e-09 au
  Orbit Determination Parameters
   # obs. used (total)      893  
   data-arc span      11791 days (32.28 yr)  
   first obs. used      1987-05-30  
   last obs. used      2019-09-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .507  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:56:02  

Additional Information
 Earth MOID = .984132 au 
 Jupiter MOID = 2.44824 au 
 T_jup = 3.577 
[ 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 15.4   n/a MPO279883  

35665 (1998 RF18)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RF18 = 1987 KB2 = 2001 KN23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-19 16:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin