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15380 (1997 QQ4)
Classification: Main-belt Asteroid          SPK-ID: 2015380
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08244601234809737 3.7033e-08  
a 2.673306129068497 1.1437e-08 au
q 2.452902698941071 9.8439e-08 au
i 2.768344883475121 4.1448e-06 deg
node 23.78886287644279 7.1796e-05 deg
peri 339.1199768689493 7.5097e-05 deg
M 87.69480103856306 2.1465e-05 deg
tp 2458611.595637938231
(2019-May-08.09563794)		 9.5009e-05 TDB
period 1596.509356132418
4.37		 1.0246e-05
2.805e-08		 d
yr
n .2254919450469796 1.4471e-09 deg/d
Q 2.893709559195923 1.238e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1176  
   data-arc span      9182 days (25.14 yr)  
   first obs. used      1994-12-09  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:17:06  

Additional Information
 Earth MOID = 1.45048 au 
 Jupiter MOID = 2.48994 au 
 T_jup = 3.373 
[ 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 14.7   n/a MPO502287  
diameter diameter 3.074 km 0.762 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.325   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15380 (1997 QQ4)          Discovered 1997-Aug-30 by ODAS at Caussols
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 QQ4 = 1999 CV30 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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