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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1149457113235036 3.184e-08  
a 2.154416492650647 6.7271e-09 au
q 1.906775556415831 6.7405e-08 au
i 5.131080445825597 4.3205e-06 deg
node 198.9925142902318 3.2188e-05 deg
peri 97.68910130269792 3.8675e-05 deg
M 354.7235861073436 2.3177e-05 deg
tp 2459017.428921020202
(2020-Jun-16.92892102)
7.4391e-05 TDB
period 1155.029095756659
3.16
5.4098e-06
1.481e-08
d
yr
n .3116804601049154 1.4598e-09 deg/d
Q 2.402057428885463 7.5004e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1748  
   data-arc span      10264 days (28.10 yr)  
   first obs. used      1991-04-08  
   last obs. used      2019-05-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50146  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:44:01  

Additional Information
 Earth MOID = .899405 au 
 Jupiter MOID = 2.75649 au 
 T_jup = 3.688 
[ 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 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

[ 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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