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 ]  
215951 (2005 NC23)
Classification: Main-belt Asteroid          SPK-ID: 2215951
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .190843270421263 8.8298e-08  
a 2.552149726569058 2.4619e-08 au
q 2.065089126145887 2.3085e-07 au
i 5.642202086905503 1.4659e-05 deg
node 240.9819248375588 9.7125e-05 deg
peri 32.79546706934717 0.00011011 deg
M 225.9462730424686 5.165e-05 deg
tp 2459555.041487527486
(2021-Dec-06.54148753)
0.00021754 TDB
period 1489.215854275651
4.08
2.1548e-05
5.9e-08
d
yr
n .2417379582458868 3.4978e-09 deg/d
Q 3.039210326992229 2.9317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      8744 days (23.94 yr)  
   first obs. used      1996-01-27  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69553  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 01:06:03  

Additional Information
 Earth MOID = 1.05155 au 
 Jupiter MOID = 2.07663 au 
 T_jup = 3.407 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456728.5 (2014-Mar-12.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1918825740121269 8.7125e-08  
q 2.061794334545292 2.2768e-07 au
tp 2456577.756455136323
(2013-Oct-12.25645514)
0.00019829 TDB
node 241.0650666130815 9.7259e-05 deg
peri 32.83374530933616 0.00011011 deg
i 5.640033490556267 1.4652e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      8744 days (23.94 yr)  
   first obs. used      1996-01-27  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69553  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 01:06:03  

Additional Information
 Jupiter MOID = 2.07663 au 
 T_jup = 3.407 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.590833760558153E-15 -1.976606376218188E-14 -1.457931824054762E-11 2.694162718333975E-14 -3.877350845261827E-12 1.488433499990918E-15
q -1.976606376218188E-14 5.183891931096449E-14 3.84567279867692E-11 -5.767889819718496E-14 1.021799949720418E-11 -5.10484283559722E-15
tp -1.457931824054762E-11 3.84567279867692E-11 3.93193403022055E-8 -5.406820411362492E-11 1.037258688850106E-8 -6.606460821366762E-12
node 2.694162718333975E-14 -5.767889819718496E-14 -5.406820411362492E-11 9.459306665313032E-9 -9.425957581971753E-9 -1.142771416632515E-9
peri -3.877350845261827E-12 1.021799949720418E-11 1.037258688850106E-8 -9.425957581971753E-9 1.212511025066275E-8 1.135400543461268E-9
i 1.488433499990918E-15 -5.10484283559722E-15 -6.606460821366762E-12 -1.142771416632515E-9 1.135400543461268E-9 2.146678946346925E-10

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 16.6   n/a MPO454551  

215951 (2005 NC23)          Discovered 2005-Jul-04 by NEAT at Palomar
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 2020-Oct-25 09:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin