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 ]  
390958 (2005 NG61)
Classification: Main-belt Asteroid          SPK-ID: 2390958
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2149683228831662 8.9532e-08  
a 2.173278944108838 1.1717e-08 au
q 1.706092814336463 1.8905e-07 au
i .2567499411093667 6.45e-06 deg
node 262.9805830414665 0.0020136 deg
peri 56.1610583606445 0.0020138 deg
M 98.93506277512866 2.5394e-05 deg
tp 2458278.897535409138
(2018-Jun-09.39753541)
8.0909e-05 TDB
period 1170.231099118638
3.20
9.4634e-06
2.591e-08
d
yr
n .3076315441207595 2.4877e-09 deg/d
Q 2.640465073881213 1.4235e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      6941 days (19.00 yr)  
   first obs. used      1999-12-13  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61138  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:05:14  

Additional Information
 Earth MOID = .692165 au 
 Jupiter MOID = 2.66255 au 
 T_jup = 3.657 
[ 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 18.0   n/a MPO460511  

390958 (2005 NG61)          Discovered 2005-Jul-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-29 02:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin