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 ]  
49044 (1998 RL15)
Classification: Main-belt Asteroid          SPK-ID: 2049044
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1371295306058232 3.5628e-08  
a 2.38923988556961 8.4655e-09 au
q 2.061604541556739 8.6147e-08 au
i .7345126111294386 4.9222e-06 deg
node 187.0952003999513 0.00034202 deg
peri 291.1498635002469 0.00034269 deg
M 99.65132222451011 2.002e-05 deg
tp 2458227.104890197201
(2018-Apr-18.60489020)
7.4669e-05 TDB
period 1348.925799761695
3.69
7.1692e-06
1.963e-08
d
yr
n .26687902334109 1.4184e-09 deg/d
Q 2.716875229582482 9.6264e-09 au
  Orbit Determination Parameters
   # obs. used (total)      894  
   data-arc span      10043 days (27.50 yr)  
   first obs. used      1991-11-06  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52329  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:39:51  

Additional Information
 Earth MOID = 1.07819 au 
 Jupiter MOID = 2.36042 au 
 T_jup = 3.520 
[ 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 15.5   n/a MPO337650  

49044 (1998 RL15)          Discovered 1998-Sep-15 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RL15 = 2000 AK144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-20 16:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin