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173194 (1998 QN15)
Classification: Main-belt Asteroid          SPK-ID: 2173194
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .261032626152416 4.6174e-08  
a 2.665694299988381 1.7562e-08 au
q 1.969861116342888 1.2715e-07 au
i 7.141677045601892 4.6788e-06 deg
node 207.3297343058664 3.6563e-05 deg
peri 175.0049735797933 3.7866e-05 deg
M 337.0365906441366 1.413e-05 deg
tp 2459101.902300740032
(2020-Sep-09.40230074)
6.3227e-05 TDB
period 1589.69548905814
4.35
1.571e-05
4.301e-08
d
yr
n .2264584648304513 2.2379e-09 deg/d
Q 3.361527483633875 2.2146e-08 au
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      8019 days (21.95 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50318  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 13:03:49  

Additional Information
 Earth MOID = .973343 au 
 Jupiter MOID = 2.09883 au 
 T_jup = 3.323 
[ 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 15.8   n/a MPO493968  
diameter diameter 4.022 km 0.347 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173194 (1998 QN15)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2158-Mar-31 01:32 00:09 Psych 0.0237684234172295 0.0237542106509448 0.0237826429685129 2.08046845444002 2.08046820976385 2509342.564130053 9.23874387879634 947.841790074888 40.6885245928782 -41.8660621575497 58194.1430960296 T 15 CATAB v2.0f-lin.ifort 2020-Aug-25 13:04:08 2020-Aug-25 13:04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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