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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147258450146244 3.1882e-08  
a 2.153757853531666 6.7448e-09 au
q 1.906666163828362 6.7438e-08 au
i 5.131880657457176 4.3272e-06 deg
node 199.009592365043 3.2197e-05 deg
peri 97.82769402871239 3.871e-05 deg
M 229.8579940463794 2.3036e-05 deg
tp 2459017.857991495478
(2020-Jun-17.35799150)
7.4536e-05 TDB
period 1154.499470308743
3.16
5.4232e-06
1.485e-08
d
yr
n .3118234431963203 1.4648e-09 deg/d
Q 2.40084954323497 7.5186e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1738  
   data-arc span      10245 days (28.05 yr)  
   first obs. used      1991-04-08  
   last obs. used      2019-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50221  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:23:37  

Additional Information
 Earth MOID = .898588 au 
 Jupiter MOID = 2.75747 au 
 T_jup = 3.689 
[ show covariance matrix ]

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 14.9   n/a MPO309259  
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

[ show close-approach data ]
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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