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 ]  
533671 (2014 LJ21)
Classification: Apollo [NEO, PHA]          SPK-ID: 2533671
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 58 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8951849518622244 6.2102e-08  
a 2.889471961761585 2.8591e-08 au
q .3028601427647936 1.7966e-07 au
i 24.25256922703792 1.0604e-05 deg
node 126.6545592175316 4.6954e-05 deg
peri 302.8132317410228 4.2965e-05 deg
M 130.2590240381069 4.9567e-06 deg
tp 2458551.370310731557
(2019-Mar-08.87031073)
2.1851e-05 TDB
period 1794.015346439837
4.91
2.6627e-05
7.29e-08
d
yr
n .2006671797509469 2.9784e-09 deg/d
Q 5.476083780758377 5.4185e-08 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      5157 days (14.12 yr)  
   first obs. used      2005-05-12  
   last obs. used      2019-06-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47177  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 19:57:24  

Additional Information
 Earth MOID = .0260724 au 
 Jupiter MOID = 1.56562 au 
 T_jup = 2.406 
[ 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 16.09   n/a MPCxxxxx  
rotation period rot_per 16.41 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46, 423-438.]

533671 (2014 LJ21)          Discovered 2013-Jun-15 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-05-29

[ 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 2021-Jun-12 19:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin