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 ]  
46420 (2002 JH23)
Classification: Main-belt Asteroid          SPK-ID: 2046420
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2672260582192871 5.7669e-08  
a 2.562704738337063 1.3174e-08 au
q 1.87788325273136 1.5237e-07 au
i 16.24076636324459 5.146e-06 deg
node 217.1139397947569 1.6271e-05 deg
peri 110.0434827343661 2.3223e-05 deg
M 70.212034020925 1.0227e-05 deg
tp 2458708.249449073526
(2019-Aug-12.74944907)
4.377e-05 TDB
period 1498.463900108282
4.10
1.1555e-05
3.164e-08
d
yr
n .2402460279316611 1.8526e-09 deg/d
Q 3.247526223942766 1.6695e-08 au
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      9368 days (25.65 yr)  
   first obs. used      1994-06-11  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52679  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:27:53  

Additional Information
 Earth MOID = .937385 au 
 Jupiter MOID = 2.43363 au 
 T_jup = 3.329 
[ 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 15.5   n/a MPO502465  
diameter diameter 2.888 km 0.588 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.176   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46420 (2002 JH23)          Discovered 2002-May-08 by LINEAR at Socorro
Reference: 20020822/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-Aug-10 06:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin