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JPL Small-Body Database Browser
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379938 (2012 LW9)
Classification: Outer Main-belt Asteroid          SPK-ID: 2379938
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1851605591644672 7.5803e-08  
a 3.239682285065108 6.1902e-08 au
q 2.639820901647234 2.3004e-07 au
i 21.4640084069027 1.6964e-05 deg
node 196.6364394517759 1.8062e-05 deg
peri 114.5355992309301 4.7424e-05 deg
M 94.03720015705835 4.2173e-05 deg
tp 2458444.148519791069
(2018-Nov-21.64851979)
0.00024509 TDB
period 2129.86491027702
5.83
6.1044e-05
1.671e-07
d
yr
n .1690248044666724 4.8444e-09 deg/d
Q 3.839543668482982 7.3363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      4926 days (13.49 yr)  
   first obs. used      2006-05-04  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64745  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:34:32  

Additional Information
 Earth MOID = 1.7078 au 
 Jupiter MOID = 1.92008 au 
 T_jup = 3.049 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO455734  

379938 (2012 LW9)          Discovered 2012-Apr-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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