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 ]  
78424 (2002 QB42)
Classification: Main-belt Asteroid          SPK-ID: 2078424
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03319523828358687 5.6509e-08  
a 2.761530060420446 1.9806e-08 au
q 2.669860412037502 1.6403e-07 au
i 5.141370543938126 6.6281e-06 deg
node 7.63087391911286 5.7258e-05 deg
peri 307.6355907792108 0.00010717 deg
M 322.2624411383487 8.9722e-05 deg
tp 2459176.209155782013
(2020-Nov-22.70915578)
0.0004177 TDB
period 1676.189398297415
4.59
1.8032e-05
4.937e-08
d
yr
n .2147728653848241 2.3105e-09 deg/d
Q 2.853199708803392 2.0463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      666  
   data-arc span      8860 days (24.26 yr)  
   first obs. used      1996-03-27  
   last obs. used      2020-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59253  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:56  

Additional Information
 Earth MOID = 1.66036 au 
 Jupiter MOID = 2.23934 au 
 T_jup = 3.335 
[ 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 15.1   n/a MPO341177  
diameter diameter 4.456 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.107   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78424 (2002 QB42)          Discovered 2002-Aug-29 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ 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 2020-Nov-26 22:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin