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120176 (2003 KQ30)
Classification: Main-belt Asteroid          SPK-ID: 2120176
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08514926275128286 4.4486e-08  
a 3.107109117664169 3.0059e-08 au
q 2.842541067007275 1.3841e-07 au
i 11.54900178144947 8.5546e-06 deg
node 187.6428178252427 2.4782e-05 deg
peri 263.3513289191895 5.7746e-05 deg
M 168.7154571156778 5.3491e-05 deg
tp 2458062.969172076641
(2017-Nov-05.46917208)		 0.00029235 TDB
period 2000.475260669204
5.48		 2.903e-05
7.948e-08		 d
yr
n .1799572367016286 2.6114e-09 deg/d
Q 3.371677168321062 3.2619e-08 au
   Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      8467 days (23.18 yr)  
   first obs. used      1997-04-16  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:58:58  

Additional Information
 Earth MOID = 1.8886 au 
 Jupiter MOID = 1.86212 au 
 T_jup = 3.183 
[ 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 15.29   n/a E2021B55  

120176 (2003 KQ30)          Discovered 2003-May-26 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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