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JPL Small-Body Database Browser
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13284 (1998 QB52)
Classification: Main-belt Asteroid          SPK-ID: 2013284
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1787762890113373 3.5282e-08  
a 2.669487664782623 1.2189e-08 au
q 2.192246566511244 9.6292e-08 au
i 12.98083984110146 4.1177e-06 deg
node 182.7502721598222 1.6893e-05 deg
peri 155.147815308931 2.0556e-05 deg
M 2.18839539026355 1.3912e-05 deg
tp 2458990.815803456342
(2020-May-21.31580346)
6.1522e-05 TDB
period 1593.089974155468
4.36
1.0911e-05
2.987e-08
d
yr
n .2259759372290595 1.5477e-09 deg/d
Q 3.146728763054001 1.4368e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1720  
   data-arc span      12423 days (34.01 yr)  
   first obs. used      1985-10-15  
   last obs. used      2019-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:36:00  

Additional Information
 Earth MOID = 1.19123 au 
 Jupiter MOID = 2.31413 au 
 T_jup = 3.323 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456724.5 (2014-Mar-08.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1797767601491086 3.5204e-08  
q 2.188730543102594 9.6074e-08 au
tp 2457400.248702184214
(2016-Jan-12.74870218)
5.5644e-05 TDB
node 182.8361755630452 1.6881e-05 deg
peri 155.6463171056321 2.0527e-05 deg
i 12.98780461832176 4.1202e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1720  
   data-arc span      12423 days (34.01 yr)  
   first obs. used      1985-10-15  
   last obs. used      2019-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:36:00  

Additional Information
 Jupiter MOID = 2.31413 au 
 T_jup = 3.323 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.239356172957993E-15 -3.365070703713339E-15 -4.1836277887632E-14 -3.795890891172255E-15 1.916508935615833E-14 3.263841597243134E-16
q -3.365070703713339E-15 9.230293390727284E-15 3.579001794277399E-13 9.843393492015044E-15 -1.006741143121566E-14 1.9703052461177E-16
tp -4.1836277887632E-14 3.579001794277399E-13 3.096227189382972E-9 -8.492234868512261E-12 6.613590784839677E-10 3.570580624310965E-12
node -3.795890891172255E-15 9.843393492015044E-15 -8.492234868512261E-12 2.849693049831862E-10 -2.792200302655439E-10 5.466104486198324E-12
peri 1.916508935615833E-14 -1.006741143121566E-14 6.613590784839677E-10 -2.792200302655439E-10 4.213412392887326E-10 -4.6372600690839E-12
i 3.263841597243134E-16 1.9703052461177E-16 3.570580624310965E-12 5.466104486198324E-12 -4.6372600690839E-12 1.697639826188801E-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 13.3   n/a MPO439184  
diameter diameter 6.387 km 0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.157   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13284 (1998 QB52)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QB52 = 1985 TP1 = 1997 GC40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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