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74102 (1998 QX30)
Classification: Main-belt Asteroid          SPK-ID: 2074102
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .184406126636951 2.8708e-08  
a 2.407620462928525 7.733e-09 au
q 1.963640498948013 7.0614e-08 au
i 2.229815301202166 4.1784e-06 deg
node 179.8354674112821 9.1057e-05 deg
peri 115.4795320767343 9.1948e-05 deg
M 324.8329580799869 1.2211e-05 deg
tp 2459133.794983115612
(2020-Oct-11.29498312)
4.6336e-05 TDB
period 1364.521759628353
3.74
6.574e-06
1.8e-08
d
yr
n .26382869856033 1.2711e-09 deg/d
Q 2.851600426909037 9.159e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1201  
   data-arc span      8036 days (22.00 yr)  
   first obs. used      1998-08-01  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55564  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:10:43  

Additional Information
 Earth MOID = .948952 au 
 Jupiter MOID = 2.34835 au 
 T_jup = 3.497 
[ 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 15.4   n/a MPO436301  

74102 (1998 QX30)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QX30 = 2001 FG44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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