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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08272613878018834 3.6512e-08  
a 2.673027323509402 1.0692e-08 au
q 2.451898094181528 9.6361e-08 au
i 2.768603298077983 3.7886e-06 deg
node 23.77690637388399 6.9149e-05 deg
peri 339.1957423103347 7.1751e-05 deg
M 176.9009266624388 1.9723e-05 deg
tp 2458612.111656508684
(2019-May-08.61165651)		 8.6186e-05 TDB
period 1596.259606913812
4.37		 9.5777e-06
2.622e-08		 d
yr
n .2255272252964036 1.3532e-09 deg/d
Q 2.894156552837276 1.1577e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1363  
   data-arc span      9700 days (26.56 yr)  
   first obs. used      1994-12-09  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49927  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:26:58  

Additional Information
 Earth MOID = 1.44867 au 
 Jupiter MOID = 2.48863 au 
 T_jup = 3.374 
[ 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 14.72   n/a MPCxxxxx  
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

Alternate Designations
 1997 QQ4 = 1999 CV30 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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