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
JPL Small-Body Database Browser
Search: [ help ]  
47155 (1999 RB159)
Classification: Main-belt Asteroid          SPK-ID: 2047155
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1187040226675136 7.2008e-08  
a 2.466083041534625 1.6182e-08 au
q 2.173349064272328 1.6946e-07 au
i 4.462355967088418 4.9217e-06 deg
node 141.0897857679592 6.6383e-05 deg
peri 201.09236384142 7.283e-05 deg
M 128.6842771563186 3.8063e-05 deg
tp 2458494.869854509111
(2019-Jan-11.36985451)
0.00014603 TDB
period 1414.522864791041
3.87
1.3923e-05
3.812e-08
d
yr
n .254502778965811 2.505e-09 deg/d
Q 2.758817018796922 1.8103e-08 au
  Orbit Determination Parameters
   # obs. used (total)      685  
   data-arc span      9449 days (25.87 yr)  
   first obs. used      1994-04-02  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64806  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:43:35  

Additional Information
 Earth MOID = 1.16559 au 
 Jupiter MOID = 2.60414 au 
 T_jup = 3.473 
[ 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 15.8   n/a MPO344655  

47155 (1999 RB159)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RB159 = 2001 AC50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-24 01:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin