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JPL Small-Body Database Browser
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13719 (1998 QU45)
Classification: Main-belt Asteroid          SPK-ID: 2013719
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1149457147965779 3.156e-08  
a 2.154416493393833 6.6624e-09 au
q 1.906775549591142 6.6898e-08 au
i 5.131080290403022 4.2889e-06 deg
node 198.9925143460844 3.2157e-05 deg
peri 97.68910426020999 3.8457e-05 deg
M 354.7235824987635 2.272e-05 deg
tp 2459017.428932606781
(2020-Jun-16.92893261)
7.2921e-05 TDB
period 1155.029096354317
3.16
5.3578e-06
1.467e-08
d
yr
n .3116804599436397 1.4458e-09 deg/d
Q 2.402057437196524 7.4282e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1774  
   data-arc span      10612 days (29.05 yr)  
   first obs. used      1991-04-08  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5038  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:54:52  

Additional Information
 Earth MOID = .899405 au 
 Jupiter MOID = 2.75649 au 
 T_jup = 3.688 
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Orbital Elements at Epoch 2456874.5 (2014-Aug-05.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .115141124790706 3.1621e-08  
q 1.905891733401954 6.7012e-08 au
tp 2456707.709395945660
(2014-Feb-19.20939595)
6.978e-05 TDB
node 199.0475356875833 3.2182e-05 deg
peri 97.58194581486811 3.8431e-05 deg
i 5.128899233754248 4.288e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1774  
   data-arc span      10612 days (29.05 yr)  
   first obs. used      1991-04-08  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5038  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:54:52  

Additional Information
 Jupiter MOID = 2.75649 au 
 T_jup = 3.688 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.998805633885466E-16 -2.11124139878372E-15 1.141930819857242E-12 -5.428862153219745E-16 3.237082624011351E-13 -2.54145510125503E-16
q -2.11124139878372E-15 4.490658215847062E-15 -2.379881830471033E-12 7.888410220593579E-16 -6.730925824106389E-13 5.713987634235225E-16
tp 1.141930819857242E-12 -2.379881830471033E-12 4.869299107330828E-9 3.498488286126836E-12 1.470243065345575E-9 -2.216419527194323E-12
node -5.428862153219745E-16 7.888410220593579E-16 3.498488286126836E-12 1.035694691612981E-9 -1.029981210923145E-9 -2.944532512272549E-11
peri 3.237082624011351E-13 -6.730925824106389E-13 1.470243065345575E-9 -1.029981210923145E-9 1.476916288037992E-9 2.86676312031734E-11
i -2.54145510125503E-16 5.713987634235225E-16 -2.216419527194323E-12 -2.944532512272549E-11 2.86676312031734E-11 1.838735655377039E-11

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 15.0   n/a MPO473953  
diameter diameter 2.752 km 0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.233   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13719 (1998 QU45)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 QU45 = 1991 GB4 = 1997 EZ40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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