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120312 (2004 LY2)
Classification: Main-belt Asteroid          SPK-ID: 2120312
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1772039350532454 4.341e-08  
a 2.667668816175434 1.5602e-08 au
q 2.194947404530314 1.1771e-07 au
i 16.94658071383123 4.3151e-06 deg
node 182.856081386181 1.7854e-05 deg
peri 109.5196598819694 2.1654e-05 deg
M 263.1212566392048 1.3918e-05 deg
tp 2459628.774573337563
(2022-Feb-18.27457334)
6.3041e-05 TDB
period 1591.462079842744
4.36
1.3962e-05
3.823e-08
d
yr
n .2262070862760188 1.9845e-09 deg/d
Q 3.140390227820553 1.8367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      406  
   data-arc span      7592 days (20.79 yr)  
   first obs. used      1999-03-21  
   last obs. used      2020-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59986  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:58:04  

Additional Information
 Earth MOID = 1.24303 au 
 Jupiter MOID = 2.30032 au 
 T_jup = 3.299 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO417626  

120312 (2004 LY2)          Discovered 2004-Jun-05 by NEAT at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2004 LY2 = 2000 QM249 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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