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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1108895817317044 5.6056e-08  
a 2.29670337035789 1.7289e-08 AU
q 2.042022894257108 1.3493e-07 AU
i 6.627178279600133 7.8465e-06 deg
node 316.4216450226099 5.4034e-05 deg
peri 108.70899929304 6.7572e-05 deg
M 353.3706381457278 4.3284e-05 deg
tp 2456823.911272103259
(2014-Jun-15.41127210)
0.00015299 JED
period 1271.322661583472
3.48
1.4355e-05
3.93e-08
d
yr
n .2831696554135272 3.1975e-09 deg/d
Q 2.551383846458672 1.9206e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      809  
   data-arc span      11382 days (31.16 yr)  
   first obs. used      1982-11-09  
   last obs. used      2014-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54393  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jan-22 02:45:41  

Additional Information
 Earth MOID = 1.06615 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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