Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
21066 (1991 NG5)
Classification: Main-belt Asteroid          SPK-ID: 2021066
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2251625004806123 5.6343e-08  
a 2.382011013959082 1.4605e-08 au
q 1.845671457883696 1.3704e-07 au
i 4.336838911384046 6.0949e-06 deg
node 292.5353410482675 7.5437e-05 deg
peri 358.7906864242302 7.6407e-05 deg
M 295.3467453058491 1.618e-05 deg
tp 2457841.658162691694
(2017-Mar-29.15816269)
6.1795e-05 JED
period 1342.808478547703
3.68
1.235e-05
3.381e-08
d
yr
n .2680948219729394 2.4657e-09 deg/d
Q 2.918350570034467 1.7893e-08 au
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      9034 days (24.73 yr)  
   first obs. used      1991-07-10  
   last obs. used      2016-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54453  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:36:06  

Additional Information
 Earth MOID = .829152 au 
 Jupiter MOID = 2.26684 au 
 T_jup = 3.499 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9 mag n/a MPO337436  

21066 (1991 NG5)          Discovered 1991-Jul-10 by Debehogne, H. at La Silla
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 NG5 = 1998 FQ117 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Apr-29 17:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin