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 ]  
215957 (2005 NT55)
Classification: Main-belt Asteroid          SPK-ID: 2215957
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .247113380844038 4.5348e-08  
a 2.697199418932025 1.6832e-08 au
q 2.030685351709158 1.2611e-07 au
i 12.19224796975941 5.5703e-06 deg
node 224.1251306182167 2.4746e-05 deg
peri 62.90527229835449 2.8169e-05 deg
M 54.47040367958811 1.1153e-05 deg
tp 2458355.691718023382
(2018-Aug-25.19171802)
4.9512e-05 TDB
period 1617.960866051154
4.43
1.5145e-05
4.146e-08
d
yr
n .2225022913431938 2.0828e-09 deg/d
Q 3.363713486154893 2.0991e-08 au
  Orbit Determination Parameters
   # obs. used (total)      309  
   data-arc span      6598 days (18.06 yr)  
   first obs. used      2001-10-07  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5353  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:01:02  

Additional Information
 Earth MOID = 1.04745 au 
 Jupiter MOID = 1.90442 au 
 T_jup = 3.293 
[ 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 16.0   n/a MPO433413  

215957 (2005 NT55)          Discovered 2005-Jul-11 by Lowe, A. at Mayhill
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ 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
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin