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 ]  
245481 (2005 NC123)
Classification: Main-belt Asteroid          SPK-ID: 2245481
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .256790237538887 5.6724e-08  
a 2.311073718777405 1.6655e-08 au
q 1.717612549562676 1.2925e-07 au
i 9.336290885261333 7.662e-06 deg
node 28.61298064642812 3.4135e-05 deg
peri 310.25770644 3.6266e-05 deg
M 62.69790944461453 1.5536e-05 deg
tp 2458777.004036099499
(2019-Oct-20.50403610)
5.4225e-05 TDB
period 1283.273201880123
3.51
1.3872e-05
3.798e-08
d
yr
n .2805326250657803 3.0325e-09 deg/d
Q 2.904534887992134 2.0932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      5790 days (15.85 yr)  
   first obs. used      2004-03-17  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58192  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:43:43  

Additional Information
 Earth MOID = .727209 au 
 Jupiter MOID = 2.54029 au 
 T_jup = 3.523 
[ 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 16.8   n/a MPO440246  
diameter diameter 2.185 km 0.367 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245481 (2005 NC123)          Discovered 2005-Jul-05 by Siding Spring Survey at Siding Spring
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ 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-Apr-09 21:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin