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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112181785037817 4.5122e-08  
a 2.297493509940985 1.3591e-08 AU
q 2.041970466641089 1.0433e-07 AU
i 6.627309322032398 7.3085e-06 deg
node 316.4204376804378 4.6516e-05 deg
peri 108.7407144243665 5.9776e-05 deg
M 49.94988018796199 3.8319e-05 deg
tp 2456824.013367377491
(2014-Jun-15.51336738)
0.00013477 JED
period 1271.978781631095
3.48
1.1286e-05
3.09e-08
d
yr
n .2830235890714794 2.5113e-09 deg/d
Q 2.553016553240882 1.5102e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      846  
   data-arc span      11762 days (32.20 yr)  
   first obs. used      1982-11-09  
   last obs. used      2015-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53155  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:34:08  

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-27 22:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin