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JPL Small-Body Database Browser
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74109 (1998 QT37)
Classification: Main-belt Asteroid          SPK-ID: 2074109
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3283160225804617 4.5468e-08  
a 2.666378032377338 1.5071e-08 au
q 1.790963402091293 1.2154e-07 au
i 8.899115112973984 6.657e-06 deg
node 163.9635806358279 3.4295e-05 deg
peri 211.7540103503362 3.5852e-05 deg
M 252.594753588039 1.2639e-05 deg
tp 2459074.964808417383
(2020-Aug-13.46480842)
5.8775e-05 TDB
period 1590.307147335366
4.35
1.3483e-05
3.691e-08
d
yr
n .2263713651813719 1.9193e-09 deg/d
Q 3.541792662663382 2.0019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      492  
   data-arc span      8076 days (22.11 yr)  
   first obs. used      1996-03-11  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60603  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 04:44:41  

Additional Information
 Earth MOID = .797448 au 
 Jupiter MOID = 1.93366 au 
 T_jup = 3.288 
[ 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 15.2   n/a MPO436301  

74109 (1998 QT37)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QT37 = 1996 EC4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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