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 ]  
74680 (1999 RW115)
Classification: Main-belt Asteroid          SPK-ID: 2074680
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2404356856760698 4.3203e-08  
a 2.318687974526843 9.4371e-09 au
q 1.761192641502624 9.6179e-08 au
i 4.681769118770976 4.1237e-06 deg
node 167.6165131340607 5.0018e-05 deg
peri 173.8710033775914 5.0829e-05 deg
M 195.1831990804855 1.177e-05 deg
tp 2459190.919742207277
(2020-Dec-07.41974221)		 4.4511e-05 TDB
period 1289.620390693152
3.53		 7.8732e-06
2.156e-08		 d
yr
n .2791519136933818 1.7042e-09 deg/d
Q 2.876183307551063 1.1706e-08 au
   Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      9181 days (25.14 yr)  
   first obs. used      1994-02-16  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54167  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:20:30  

Additional Information
 Earth MOID = .752184 au 
 Jupiter MOID = 2.53042 au 
 T_jup = 3.536 
[ 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 15.8   n/a MPO337821  

74680 (1999 RW115)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
[ 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-14 00:42 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin