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 ]  
66544 (1999 RR119)
Classification: Main-belt Asteroid          SPK-ID: 2066544
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1959174018026333 6.1767e-08  
a 2.588105323321841 2.1543e-08 au
q 2.081050452785061 1.5947e-07 au
i 8.22580599199954 5.1523e-06 deg
node 166.5274885927693 4.2007e-05 deg
peri 223.3120933413212 4.3155e-05 deg
M 312.6687501838294 1.074e-05 deg
tp 2459200.447886382028
(2020-Dec-16.94788638)
4.6124e-05 TDB
period 1520.797345878195
4.16
1.8988e-05
5.199e-08
d
yr
n .2367179302197661 2.9556e-09 deg/d
Q 3.09516019385862 2.5764e-08 au
  Orbit Determination Parameters
   # obs. used (total)      411  
   data-arc span      9063 days (24.81 yr)  
   first obs. used      1994-06-09  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60871  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:14:13  

Additional Information
 Earth MOID = 1.09399 au 
 Jupiter MOID = 2.37617 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 15.6   n/a MPO436246  

66544 (1999 RR119)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-20 11:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin