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120341 (2004 QX12)
Classification: Main-belt Asteroid          SPK-ID: 2120341
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06352282459421933 6.4933e-08  
a 3.022487258263813 3.1364e-08 au
q 2.830490330318858 1.9635e-07 au
i 10.84021136934702 7.0452e-06 deg
node 39.98870577764013 2.7977e-05 deg
peri 176.013103057201 4.9176e-05 deg
M 110.5760161571713 4.1035e-05 deg
tp 2458410.973158932288
(2018-Oct-19.47315893)		 0.00021738 TDB
period 1919.310083325082
5.25		 2.9875e-05
8.179e-08		 d
yr
n .1875673988938374 2.9196e-09 deg/d
Q 3.214484186208769 3.3357e-08 au
   Orbit Determination Parameters
   # obs. used (total)      452  
   data-arc span      7193 days (19.69 yr)  
   first obs. used      2000-11-20  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58443  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:09:08  

Additional Information
 Earth MOID = 1.82327 au 
 Jupiter MOID = 1.75182 au 
 T_jup = 3.216 
[ 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 15.1   n/a MPO348203  
diameter diameter 4.211 km 0.878 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.120   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120341 (2004 QX12)          Discovered 2004-Aug-21 by Siding Spring Survey at Siding Spring
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2004 QX12 = 2000 WX109 = 2002 CV65 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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