Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2610576359102115 3.8132e-08  
a 2.66577076618906 8.1153e-09 au
q 1.96985095208919 9.8655e-08 au
i 7.141598803079339 4.1354e-06 deg
node 207.3290911360451 2.2512e-05 deg
peri 175.03052019644 2.4034e-05 deg
M 22.31321960483526 6.2708e-06 deg
tp 2459101.964581065575
(2020-Sep-09.46458107)
2.7602e-05 TDB
period 1589.76389085088
4.35
7.2595e-06
1.988e-08
d
yr
n .2264487211414264 1.034e-09 deg/d
Q 3.361690580288928 1.0234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1025  
   data-arc span      8214 days (22.49 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42994  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:56:02  

Additional Information
 Earth MOID = .972047 au 
 Jupiter MOID = 2.09979 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 15.78   n/a E2021B55  
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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-15 18:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin