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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1149457124917865 2.8948e-08  
a 2.154416491505572 5.3554e-09 au
q 1.906775552885409 6.2566e-08 au
i 5.131088859031212 3.2959e-06 deg
node 198.9925257076054 3.1132e-05 deg
peri 97.68908720287168 3.4727e-05 deg
M 354.7235896298361 1.4509e-05 deg
tp 2459017.428909705091
(2020-Jun-16.92890971)
4.6536e-05 TDB
period 1155.029094835811
3.16
4.3068e-06
1.179e-08
d
yr
n .3116804603534031 1.1622e-09 deg/d
Q 2.402057430125735 5.971e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2160  
   data-arc span      10798 days (29.56 yr)  
   first obs. used      1991-04-08  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47752  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:44:34  

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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