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 ]  
441478 (2008 RP128)
Classification: Main-belt Asteroid          SPK-ID: 2441478
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09339844636010401 8.8755e-08  
a 2.397959353742466 3.4872e-08 au
q 2.173993675668241 2.0088e-07 au
i 5.648468784343259 9.1791e-06 deg
node 316.8039225904441 5.6154e-05 deg
peri 211.4158868382119 6.4298e-05 deg
M 227.9497622865026 3.4233e-05 deg
tp 2459498.005446413674
(2021-Oct-10.50544641)
0.00013413 TDB
period 1356.31683675959
3.71
2.9586e-05
8.1e-08
d
yr
n .2654247077401803 5.7898e-09 deg/d
Q 2.621925031816692 3.8129e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      4005 days (10.97 yr)  
   first obs. used      2008-09-09  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55378  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:09  

Additional Information
 Earth MOID = 1.18325 au 
 Jupiter MOID = 2.36442 au 
 T_jup = 3.515 
[ 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 17.1   n/a MPO450444  

441478 (2008 RP128)          Discovered 2008-Sep-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-09 03:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin