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 ]  
12119 Memamis (1999 NG9)
Classification: Main-belt Asteroid          SPK-ID: 2012119
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112181694259448 5.019e-08  
a 2.297493513166701 1.5647e-08 AU
q 2.041970490364318 1.1908e-07 AU
i 6.6273094867816 7.3353e-06 deg
node 316.4204429572837 5.09e-05 deg
peri 108.7407124638896 6.3443e-05 deg
M 49.94987511873472 4.0121e-05 deg
tp 2456824.013384916778
(2014-Jun-15.51338492)
0.0001409 JED
period 1271.978784309911
3.48
1.2994e-05
3.558e-08
d
yr
n .2830235884754253 2.8912e-09 deg/d
Q 2.553016535969084 1.7387e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      11706 days (32.05 yr)  
   first obs. used      1982-11-09  
   last obs. used      2014-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52934  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:14:52  

Additional Information
 Earth MOID = 1.06668 AU 
 T_jup = 3.577 
[ 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 14.6 mag n/a MPO279644  

12119 Memamis           Discovered 1999 July 13 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Megan Marie Miskowski (b. 1984) is a finalist in the 2002 Intel International Science and Engineering Fair for her environmental science project. She attends the Ridgeview High School, Orange Park, Florida, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020724/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1999 NG9 = 1982 VQ11 = 1998 HW127 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Feb-01 00:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin