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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
52021 (2002 NK39)
Classification: Main-belt Asteroid          SPK-ID: 2052021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1702631587085588 6.0765e-08  
a 2.592399975570736 1.1612e-08 au
q 2.151009767094072 1.5383e-07 au
i 15.17934478281718 5.4104e-06 deg
node 200.7339120772004 1.6293e-05 deg
peri 195.6659638957236 2.0609e-05 deg
M 60.27576399142461 1.1209e-05 deg
tp 2458745.234770092484
(2019-Sep-18.73477009)
4.7458e-05 TDB
period 1524.58428863348
4.17
1.0243e-05
2.804e-08
d
yr
n .2361299422301381 1.5865e-09 deg/d
Q 3.0337901840474 1.3589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      10157 days (27.81 yr)  
   first obs. used      1992-04-09  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52108  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:19:35  

Additional Information
 Earth MOID = 1.16021 au 
 Jupiter MOID = 2.41449 au 
 T_jup = 3.350 
[ 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 15.3   n/a MPO359093  

52021 (2002 NK39)          Discovered 2002-Jul-13 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-29 04:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin