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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .182279445303495 3.7268e-08  
a 2.32126545652899 8.8278e-09 au
q 1.898146476710721 8.3605e-08 au
i 6.039622077524881 4.1325e-06 deg
node 256.8320700901243 4.4175e-05 deg
peri 346.0423639356213 4.6564e-05 deg
M 18.9455108219838 1.4192e-05 deg
tp 2458532.518701066062
(2019-Feb-18.01870107)
5.087e-05 TDB
period 1291.771324942041
3.54
7.369e-06
2.018e-08
d
yr
n .2786870965851114 1.5898e-09 deg/d
Q 2.744384436347258 1.0437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      767  
   data-arc span      7739 days (21.19 yr)  
   first obs. used      1998-08-24  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54465  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:50:10  

Additional Information
 Earth MOID = .885538 au 
 Jupiter MOID = 2.28358 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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