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 ]  
78419 (2002 QX39)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078419
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433037258774849 6.316e-08  
a 3.416262384859745 3.3481e-08 au
q 2.926699256534242 2.2375e-07 au
i 5.892742978401784 8.4539e-06 deg
node 178.3346761217761 5.1399e-05 deg
peri 245.0946209742166 5.8341e-05 deg
M 223.0635437409273 2.9416e-05 deg
tp 2459877.787294206701
(2022-Oct-25.28729421)
0.00019574 TDB
period 2306.350219235263
6.31
3.3905e-05
9.283e-08
d
yr
n .1560907779735934 2.2947e-09 deg/d
Q 3.905825513185248 3.8279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      417  
   data-arc span      9566 days (26.19 yr)  
   first obs. used      1993-03-24  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57836  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:23:52  

Additional Information
 Earth MOID = 1.94617 au 
 Jupiter MOID = 1.47828 au 
 T_jup = 3.118 
[ 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 MPO432334  
diameter diameter 5.228 km 0.232 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78419 (2002 QX39)          Discovered 2002-Aug-27 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-Dec-03 05:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin