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 ]  
181803 (1998 QY73)
Classification: Main-belt Asteroid          SPK-ID: 2181803
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2424970477823037 3.9053e-08  
a 3.150559579079192 2.1603e-08 au
q 2.386558182290231 1.2855e-07 au
i 12.94438180063345 5.5578e-06 deg
node 222.4110450630986 1.8131e-05 deg
peri 100.0097937311205 2.2527e-05 deg
M 11.03128120956967 1.0846e-05 deg
tp 2459137.910219703110
(2020-Oct-15.41021970)
6.143e-05 TDB
period 2042.584218352955
5.59
2.1009e-05
5.752e-08
d
yr
n .1762473227616961 1.8128e-09 deg/d
Q 3.914560975868153 2.6842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      8683 days (23.77 yr)  
   first obs. used      1997-04-06  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49781  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:06  

Additional Information
 Earth MOID = 1.41511 au 
 Jupiter MOID = 1.76118 au 
 T_jup = 3.123 
[ 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 14.45   n/a E2021B55  
diameter diameter 7.403 km 2.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.056   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

181803 (1998 QY73)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ 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-07 20:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin