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 ]  
541581 (2011 SR280)
Classification: Main-belt Asteroid          SPK-ID: 2541581
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680687176667024 9.4883e-07  
a 2.56022918313825 1.7503e-07 au
q 2.129934747395335 2.5058e-06 au
i 4.223318707889466 2.4515e-05 deg
node 15.70435572438427 6.3716e-05 deg
peri 345.5620427750976 0.0010702 deg
M 110.5131698562489 0.00074587 deg
tp 2458741.166386711187
(2019-Sep-14.66638671)
0.0031349 TDB
period 1496.293165774419
4.10
0.00015344
4.201e-07
d
yr
n .2405945627731842 2.4672e-08 deg/d
Q 2.990523618881164 2.0444e-07 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      4411 days (12.08 yr)  
   first obs. used      2007-11-02  
   last obs. used      2019-11-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .46061  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:42  

Additional Information
 Earth MOID = 1.1258 au 
 Jupiter MOID = 2.4626 au 
 T_jup = 3.412 
[ 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 17.9   n/a MPO442368  

541581 (2011 SR280)          Discovered 2011-Sep-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-18 06:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin