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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147254705688077 2.8887e-08  
a 2.153747407031045 5.2778e-09 au
q 1.906657722273059 6.2381e-08 au
i 5.131912569689698 3.2488e-06 deg
node 198.977858726112 3.0772e-05 deg
peri 97.5961447028423 3.4233e-05 deg
M 57.17341114278673 1.42e-05 deg
tp 2459017.149464870835
(2020-Jun-16.64946487)
4.5681e-05 TDB
period 1154.49107071211
3.16
4.2436e-06
1.162e-08
d
yr
n .3118257118939395 1.1462e-09 deg/d
Q 2.40083709178903 5.8833e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2259  
   data-arc span      10897 days (29.83 yr)  
   first obs. used      1991-04-08  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:06:03  

Additional Information
 Earth MOID = .897347 au 
 Jupiter MOID = 2.75608 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 15.02   n/a E2021B10  
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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