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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457290.5 (2015-Sep-25.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08307629757913478 3.6838e-08  
q 2.450182742246943 9.7353e-08 au
tp 2457007.732247098562
(2014-Dec-16.23224710)
8.3032e-05 TDB
node 23.8174390699316 6.9062e-05 deg
peri 337.466393626713 7.1609e-05 deg
i 2.772529767172033 3.7906e-06 deg
  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
 Jupiter MOID = 2.48863 au 
 T_jup = 3.374 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.35701891735036E-15 -3.568663316744997E-15 -2.879303514589706E-13 4.436484393923099E-15 -8.618005789550633E-14 -5.831460234867434E-16
q -3.568663316744997E-15 9.477643987947612E-15 9.053753155477261E-13 -1.19497666269522E-14 2.627368853820748E-13 1.582051206987245E-15
tp -2.879303514589706E-13 9.053753155477261E-13 6.894323377340932E-9 6.1931863512166E-12 1.582806123839678E-9 1.831590815537786E-13
node 4.436484393923099E-15 -1.19497666269522E-14 6.1931863512166E-12 4.769559646954327E-9 -4.762408293211647E-9 -6.946939610957224E-11
peri -8.618005789550633E-14 2.627368853820748E-13 1.582806123839678E-9 -4.762408293211647E-9 5.127808990382879E-9 6.944455318727053E-11
i -5.831460234867434E-16 1.582051206987245E-15 1.831590815537786E-13 -6.946939610957224E-11 6.944455318727053E-11 1.436874061037871E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.73   n/a MPO636295  
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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