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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09782415868555916 3.7339e-08  
a 2.77623798176193 1.9594e-08 au
q 2.504654836885174 1.0547e-07 au
i 13.11323752024905 4.8396e-06 deg
node 226.8200513260037 1.823e-05 deg
peri 38.458775406844 3.1222e-05 deg
M 227.5984698179659 2.7435e-05 deg
tp 2459821.903890125016
(2022-Aug-30.40389012)		 0.00013158 TDB
period 1689.598300997286
4.63		 1.7887e-05
4.897e-08		 d
yr
n .2130683960723149 2.2557e-09 deg/d
Q 3.047821126638685 2.1511e-08 au
   Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      8802 days (24.10 yr)  
   first obs. used      1996-12-09  
   last obs. used      2021-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:42  

Additional Information
 Earth MOID = 1.50159 au 
 Jupiter MOID = 2.00925 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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