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JPL Small-Body Database Browser
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19513 (1998 QN7)
Classification: Outer Main-belt Asteroid          SPK-ID: 2019513
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1237975468252904 5.1863e-08  
a 3.386381478494455 2.7976e-08 au
q 2.967155758842242 1.8025e-07 au
i 17.17892132955807 5.7486e-06 deg
node 323.1614686756273 1.4185e-05 deg
peri 352.5482378294116 2.2038e-05 deg
M 168.6845199242227 1.655e-05 deg
tp 2457933.965334671896
(2017-Jun-29.46533467)
0.00010496 TDB
period 2276.157170145775
6.23
2.8206e-05
7.722e-08
d
yr
n .1581613100895594 1.9599e-09 deg/d
Q 3.805607198146669 3.1439e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1458  
   data-arc span      8724 days (23.89 yr)  
   first obs. used      1996-03-17  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47971  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:49:55  

Additional Information
 Earth MOID = 1.95476 au 
 Jupiter MOID = 1.53241 au 
 T_jup = 3.066 
[ 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 12.6   n/a MPO431723  
diameter diameter 16.207 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19513 (1998 QN7)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QN7 = 1996 FO1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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