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 ]  
100126 (1993 QK7)
Classification: Main-belt Asteroid          SPK-ID: 2100126
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .153622373302762 5.6334e-08  
a 2.652755331451751 1.6123e-08 au
q 2.245232761642578 1.4737e-07 au
i 13.19682473828429 8.1522e-06 deg
node 346.2238669602268 2.1863e-05 deg
peri 301.4251936152191 3.5128e-05 deg
M 110.7321725247007 2.8082e-05 deg
tp 2458515.082375212192
(2019-Jan-31.58237521)
0.00012294 TDB
period 1578.135251384414
4.32
1.4388e-05
3.939e-08
d
yr
n .22811733004772 2.0797e-09 deg/d
Q 3.060277901260924 1.86e-08 au
  Orbit Determination Parameters
   # obs. used (total)      668  
   data-arc span      9609 days (26.31 yr)  
   first obs. used      1993-08-15  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51441  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:34:53  

Additional Information
 Earth MOID = 1.26097 au 
 Jupiter MOID = 2.28604 au 
 T_jup = 3.335 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO493562  
diameter diameter 2.786 km 0.544 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.228   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100126 (1993 QK7)          Discovered 1993-Aug-20 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1993 QK7 = 2002 TE220 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-19 16:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin