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 ]  
541414 (2011 HE41)
Classification: Main-belt Asteroid          SPK-ID: 2541414
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06838699746643165 6.1988e-08  
a 3.166045768287726 5.2392e-08 au
q 2.949529404353227 1.8547e-07 au
i 12.50205353087132 6.0814e-06 deg
node 87.41664309962661 2.8548e-05 deg
peri 266.3066373130555 5.4094e-05 deg
M 119.3751450462032 4.5017e-05 deg
tp 2458518.183896214606
(2019-Feb-03.68389621)
0.0002599 TDB
period 2057.662818065445
5.63
5.1076e-05
1.398e-07
d
yr
n .1749557783905827 4.3428e-09 deg/d
Q 3.382562132222226 5.5975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      4456 days (12.20 yr)  
   first obs. used      2008-11-20  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54227  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:09  

Additional Information
 Earth MOID = 1.97711 au 
 Jupiter MOID = 1.96016 au 
 T_jup = 3.163 
[ 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 16.00   .21936 MPCxxxxx autocmod 2.8

541414 (2011 HE41)          Discovered 2008-Nov-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2011 HE41 = 2016 ED84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-14 07:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin