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 ]  
59778 (1999 NO39)
Classification: Main-belt Asteroid          SPK-ID: 2059778
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2022838223196688 5.3934e-08  
a 2.588039830115267 1.6676e-08 au
q 2.064521240964004 1.4117e-07 au
i 8.213749091116004 4.9459e-06 deg
node 325.7118996869113 3.8082e-05 deg
peri 24.61864415936893 3.9659e-05 deg
M 240.1058916625325 1.3175e-05 deg
tp 2459106.965890821440
(2020-Sep-14.46589082)
5.7433e-05 TDB
period 1520.739619519237
4.16
1.4698e-05
4.024e-08
d
yr
n .2367269158896574 2.288e-09 deg/d
Q 3.11155841926653 2.0049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      728  
   data-arc span      11525 days (31.55 yr)  
   first obs. used      1987-10-20  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51407  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:15:44  

Additional Information
 Earth MOID = 1.06017 au 
 Jupiter MOID = 2.32127 au 
 T_jup = 3.378 
[ 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 14.9   n/a MPO290876  
rotation period rot_per 5.52 h n/a LCDB (Rev. 2019-January); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

59778 (1999 NO39)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20030614/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-Jan-26 02:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin