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 ]  
180981 (2005 NN9)
Classification: Main-belt Asteroid          SPK-ID: 2180981
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05221344770337644 5.5127e-08  
a 2.622025479148608 2.2296e-08 au
q 2.485120488916162 1.5021e-07 au
i 3.303009484031317 5.9597e-06 deg
node 168.1465986223459 9.1525e-05 deg
peri 187.680130953325 0.00010461 deg
M 183.9286506449066 5.0662e-05 deg
tp 2459958.972745966397
(2023-Jan-14.47274597)
0.0002194 TDB
period 1550.792843628561
4.25
1.9781e-05
5.416e-08
d
yr
n .23213932246274 2.961e-09 deg/d
Q 2.758930469381054 2.346e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      7124 days (19.50 yr)  
   first obs. used      2001-09-12  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54294  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:44  

Additional Information
 Earth MOID = 1.47825 au 
 Jupiter MOID = 2.45753 au 
 T_jup = 3.400 
[ 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 16.7   n/a MPO454244  

180981 (2005 NN9)          Discovered 2005-Jul-01 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 NN9 = 2001 RS107 = 2004 GQ51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-23 06:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin