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 ]  
469738 (2005 NH55)
Classification: Main-belt Asteroid          SPK-ID: 2469738
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1768856972099756 8.2477e-08  
a 2.371751841370296 2.1536e-08 au
q 1.952222863300468 1.972e-07 au
i 2.724521681590024 8.5981e-06 deg
node 232.8173211783377 0.00020926 deg
peri 52.7706431661419 0.0002154 deg
M 37.50737899860258 4.6492e-05 deg
tp 2458861.499451939289
(2020-Jan-12.99945194)
0.0001716 TDB
period 1334.142737718895
3.65
1.8172e-05
4.975e-08
d
yr
n .2698361950502574 3.6753e-09 deg/d
Q 2.791280819440124 2.5346e-08 au
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      6526 days (17.87 yr)  
   first obs. used      2001-05-24  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66327  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:13:00  

Additional Information
 Earth MOID = .93729 au 
 Jupiter MOID = 2.36213 au 
 T_jup = 3.521 
[ 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 18.4   n/a MPO472614  

469738 (2005 NH55)          Discovered 2005-Jul-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

Alternate Designations
 2005 NH55 = 2009 SA121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-24 12:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin