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 ]  
362639 (2011 SJ181)
Classification: Main-belt Asteroid          SPK-ID: 2362639
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07827657715032688 1.244e-07  
a 2.443918169355883 2.3507e-08 au
q 2.252616620223211 3.0026e-07 au
i 6.235197876579316 8.45e-06 deg
node 228.0293703434956 5.754e-05 deg
peri 136.7665482955355 7.5603e-05 deg
M 214.511467879846 5.8043e-05 deg
tp 2459960.468280565803
(2023-Jan-15.96828057)
0.00023029 TDB
period 1395.495425275271
3.82
2.0134e-05
5.512e-08
d
yr
n .257972898713722 3.722e-09 deg/d
Q 2.635219718488554 2.5347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      6474 days (17.72 yr)  
   first obs. used      2003-08-22  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53974  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 06:49:37  

Additional Information
 Earth MOID = 1.25521 au 
 Jupiter MOID = 2.69573 au 
 T_jup = 3.487 
[ 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 17.2   n/a MPO528258  

362639 (2011 SJ181)          Discovered 2006-Apr-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29

Alternate Designations
 2011 SJ181 = 2006 HQ95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-26 02:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin