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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112181899073254 4.2807e-08  
a 2.297493505894016 1.2624e-08 AU
q 2.041970436844649 9.7459e-08 AU
i 6.62730929169711 7.3049e-06 deg
node 316.4204494223638 4.3153e-05 deg
peri 108.7406988663469 5.708e-05 deg
M 49.94988642934476 3.7594e-05 deg
tp 2456824.013345791288
(2014-Jun-15.51334579)
0.00013231 JED
period 1271.978778270263
3.48
1.0484e-05
2.87e-08
d
yr
n .2830235898192864 2.3327e-09 deg/d
Q 2.553016574943384 1.4028e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      958  
   data-arc span      11797 days (32.30 yr)  
   first obs. used      1982-11-09  
   last obs. used      2015-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50862  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:29:45  

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 ]
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