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19514 (1998 QB75)
Classification: Main-belt Asteroid          SPK-ID: 2019514
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806204522809915 8.1005e-09  
a 2.545428041347674 9.1268e-09 au
q 2.085671677270739 1.8659e-08 au
i 11.59621183178084 1.159e-06 deg
node 294.529904487344 1.0973e-06 deg
peri 104.6440406636452 1.4385e-05 deg
M 137.9650660872534 1.2233e-05 deg
tp 2458632.031642563985
(2019-May-28.53164256)
4.9883e-05 TDB
period 1483.336430597144
4.06
7.9779e-06
2.184e-08
d
yr
n .2426961224535391 1.3053e-09 deg/d
Q 3.005184405424609 1.0775e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2121  
   data-arc span      25614 days (70.13 yr)  
   first obs. used      1951-02-04  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49046  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:54:56  

Additional Information
 Earth MOID = 1.12848 au 
 Jupiter MOID = 2.48266 au 
 T_jup = 3.392 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456910.5 (2014-Sep-10.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1790640483155062 8.2164e-09  
q 2.090536996584133 1.9064e-08 au
tp 2457145.471854779230
(2015-May-02.97185478)
5.0327e-05 TDB
node 294.7260183769328 1.1115e-06 deg
peri 104.006300462918 1.4618e-05 deg
i 11.5988235687796 1.1584e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2121  
   data-arc span      25614 days (70.13 yr)  
   first obs. used      1951-02-04  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49046  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:54:56  

Additional Information
 Jupiter MOID = 2.48266 au 
 T_jup = 3.392 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.750984479483024E-17 -1.462991808998725E-16 -1.436982129275475E-13 3.805337160388643E-15 -4.643483815505169E-14 -1.387199662414194E-17
q -1.462991808998725E-16 3.634256520640283E-16 3.693966164174611E-13 -9.679905305932456E-15 1.187831739886232E-13 2.670659882215459E-16
tp -1.436982129275475E-13 3.693966164174611E-13 2.53276226604808E-9 -2.900460690842298E-11 7.339434713888917E-10 2.051602232723709E-11
node 3.805337160388643E-15 -9.679905305932456E-15 -2.900460690842298E-11 1.235340134186148E-12 -9.013525129937611E-12 -2.012769776392536E-13
peri -4.643483815505169E-14 1.187831739886232E-13 7.339434713888917E-10 -9.013525129937611E-12 2.136762745648868E-10 5.904060048742642E-12
i -1.387199662414194E-17 2.670659882215459E-16 2.051602232723709E-11 -2.012769776392536E-13 5.904060048742642E-12 1.34183662623854E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.87   n/a E2021B10  
diameter diameter 5.420 km 0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.182   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

19514 (1998 QB75)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QB75 = 1986 RO3 = 2000 AZ143 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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