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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
19222 (1993 QK1)
Classification: Main-belt Asteroid          SPK-ID: 2019222
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1675923355386232 2.9205e-08  
a 2.369191866793471 7.5495e-09 au
q 1.972133468498443 6.8891e-08 au
i 2.330245981623382 3.1418e-06 deg
node 273.4486597662461 0.00010343 deg
peri 353.4750575746313 0.00010418 deg
M 177.4188806186803 1.2453e-05 deg
tp 2458344.058377003076
(2018-Aug-13.55837700)
4.6072e-05 TDB
period 1331.983289798813
3.65
6.3666e-06
1.743e-08
d
yr
n .2702736609063434 1.2919e-09 deg/d
Q 2.766250265088499 8.8147e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1720  
   data-arc span      16718 days (45.77 yr)  
   first obs. used      1974-04-22  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:43:50  

Additional Information
 Earth MOID = .956195 au 
 Jupiter MOID = 2.3188 au 
 T_jup = 3.526 
[ 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 14.5   n/a MPO347673  
diameter diameter 7.250 km 0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19222 (1993 QK1)          Discovered 1993-Aug-16 by Elst, E. W. at Caussols
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 QK1 = 1974 HE = 1998 YF16 = 1999 AH39 = 2000 OY9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-24 23:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin