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JPL Small-Body Database Browser
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74131 (1998 QN69)
Classification: Main-belt Asteroid          SPK-ID: 2074131
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1126500757300481 4.4467e-08  
a 2.608504031385783 1.4739e-08 au
q 2.314655854708039 1.1912e-07 au
i 13.89735848534898 5.0115e-06 deg
node 275.8441717272835 2.6704e-05 deg
peri 119.6683068348417 4.1306e-05 deg
M 278.0069587948281 3.0782e-05 deg
tp 2458950.977538179573
(2020-Apr-11.47753818)
0.00013167 TDB
period 1538.812463717806
4.21
1.3042e-05
3.571e-08
d
yr
n .2339466364408251 1.9828e-09 deg/d
Q 2.902352208063527 1.6399e-08 au
  Orbit Determination Parameters
   # obs. used (total)      813  
   data-arc span      7765 days (21.26 yr)  
   first obs. used      1998-08-24  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54837  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:44:47  

Additional Information
 Earth MOID = 1.35706 au 
 Jupiter MOID = 2.49324 au 
 T_jup = 3.361 
[ 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 14.8   n/a MPO351366  

74131 (1998 QN69)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QN69 = 1999 XR153 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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