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JPL Small-Body Database Browser
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19530 (1999 GQ23)
Classification: Main-belt Asteroid          SPK-ID: 2019530
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2370727660458026 3.7082e-08  
a 2.300035692729629 7.3613e-09 au
q 1.754759869050142 8.5158e-08 au
i 2.445579077124721 3.9932e-06 deg
node 294.806245566307 7.8439e-05 deg
peri 3.281518064604444 7.874e-05 deg
M 298.3171488420521 6.542e-06 deg
tp 2459218.804269402445
(2021-Jan-04.30426940)
2.3432e-05 TDB
period 1274.090537475971
3.49
6.1166e-06
1.675e-08
d
yr
n .2825544884064327 1.3565e-09 deg/d
Q 2.845311516409116 9.1064e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1765  
   data-arc span      11176 days (30.60 yr)  
   first obs. used      1989-06-29  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48391  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:50:13  

Additional Information
 Earth MOID = .738975 au 
 Jupiter MOID = 2.37693 au 
 T_jup = 3.553 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO358818  
diameter diameter 7.407 km 0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19530 (1999 GQ23)          Discovered 1999-Apr-06 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 GQ23 = 1989 MP = 1989 NZ1 = 2000 SU179 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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