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120321 (2004 LH30)
Classification: Main-belt Asteroid          SPK-ID: 2120321
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09794230570561317 4.0909e-08  
a 2.776051040625573 2.0524e-08 au
q 2.504158200950237 1.1308e-07 au
i 13.11444228837394 5.4781e-06 deg
node 226.8288674586721 1.8402e-05 deg
peri 38.39934895434671 3.2124e-05 deg
M 185.0491208367635 2.7701e-05 deg
tp 2459821.519033846924
(2022-Aug-30.01903385)		 0.00013314 TDB
period 1689.427647340465
4.63		 1.8735e-05
5.129e-08		 d
yr
n .2130899186873851 2.3631e-09 deg/d
Q 3.047943880300908 2.2534e-08 au
   Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      8449 days (23.13 yr)  
   first obs. used      1996-12-09  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:18:12  

Additional Information
 Earth MOID = 1.50267 au 
 Jupiter MOID = 2.01012 au 
 T_jup = 3.290 
[ 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 15.1   n/a MPO412812  

120321 (2004 LH30)          Discovered 2004-Jun-13 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2004 LH30 = 1996 XO18 = 1999 LO12 = 2000 SK284 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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