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JPL Small-Body Database Browser
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74596 (1999 QQ)
Classification: Main-belt Asteroid          SPK-ID: 2074596
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2175954139733831 3.6213e-08  
a 2.348266734568993 9.2859e-09 au
q 1.837294662340528 8.4219e-08 au
i .2334993109786436 5.1175e-06 deg
node 347.2569983979973 0.0008833 deg
peri 303.5220919208634 0.00088338 deg
M 196.6670575767347 1.078e-05 deg
tp 2459196.835756990409
(2020-Dec-13.33575699)
4.0027e-05 TDB
period 1314.375834607923
3.60
7.7963e-06
2.135e-08
d
yr
n .2738942626006112 1.6246e-09 deg/d
Q 2.859238806797458 1.1306e-08 au
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      9120 days (24.97 yr)  
   first obs. used      1994-01-11  
   last obs. used      2018-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55197  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:14:51  

Additional Information
 Earth MOID = .820384 au 
 Jupiter MOID = 2.32573 au 
 T_jup = 3.527 
[ 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 16.3   n/a MPO266274  
diameter diameter 1.354 km 0.238 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.291   0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74596 (1999 QQ)          Discovered 1999-Aug-20 by Klet at Klet
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 QQ = 2002 GP180 = 2002 GR43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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