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74132 (1998 QN71)
Classification: Main-belt Asteroid          SPK-ID: 2074132
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1820408885044945 3.6923e-08  
a 2.320554591770076 8.6387e-09 au
q 1.898118772061067 8.2886e-08 au
i 6.039642813861043 4.0553e-06 deg
node 256.8314690130713 4.1061e-05 deg
peri 345.9620371820922 4.3027e-05 deg
M 130.548887885877 1.3178e-05 deg
tp 2458532.272639984959
(2019-Feb-17.77263999)		 4.6561e-05 TDB
period 1291.177981943193
3.54		 7.2099e-06
1.974e-08		 d
yr
n .2788151633891777 1.5569e-09 deg/d
Q 2.742990411479085 1.0211e-08 au
   Orbit Determination Parameters
   # obs. used (total)      809  
   data-arc span      8120 days (22.23 yr)  
   first obs. used      1998-08-24  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54489  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:00:12  

Additional Information
 Earth MOID = .885678 au 
 Jupiter MOID = 2.28473 au 
 T_jup = 3.548 
[ 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 15.7   n/a MPO337816  

74132 (1998 QN71)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QN71 = 1999 YJ12 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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