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 ]  
226803 (2004 RH211)
Classification: Main-belt Asteroid          SPK-ID: 2226803
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .2738128421297751 7.0134e-08  
a 2.69669079206913 2.2302e-08 au
q 1.958302221947487 1.9213e-07 au
i 11.63730703251263 6.8194e-06 deg
node 236.4901307085639 4.3088e-05 deg
peri 77.6529729849314 4.508e-05 deg
M 221.5900886858149 1.8666e-05 deg
tp 2459622.384660872694
(2022-Feb-11.88466087)
8.8305e-05 TDB
period 1617.503224938671
4.43
2.0066e-05
5.494e-08
d
yr
n .2225652440437327 2.761e-09 deg/d
Q 3.435079362190772 2.8409e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      10385 days (28.43 yr)  
   first obs. used      1991-11-12  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58186  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:30:30  

Additional Information
 Earth MOID = .983871 au 
 Jupiter MOID = 2.01838 au 
 T_jup = 3.286 
[ 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 15.9   n/a MPO422879  

226803 (2004 RH211)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ 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 2020-Sep-21 15:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin