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 ]  
266450 (2007 JH2)
Classification: Main-belt Asteroid          SPK-ID: 2266450
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04646782656376396 7.5275e-08  
a 3.089280589469735 4.3355e-08 au
q 2.945728434831453 2.4517e-07 au
i 17.42944395185067 7.2063e-06 deg
node 127.0951045405948 2.2024e-05 deg
peri 247.3869325344192 7.2255e-05 deg
M 16.71429524278671 7.0097e-05 deg
tp 2458908.418999610530
(2020-Feb-28.91899961)
0.00038612 TDB
period 1983.281954679788
5.43
4.1751e-05
1.143e-07
d
yr
n .181517307284795 3.8212e-09 deg/d
Q 3.232832744108017 4.537e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      7168 days (19.62 yr)  
   first obs. used      2000-01-12  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6812  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:32  

Additional Information
 Earth MOID = 1.98048 au 
 Jupiter MOID = 2.0544 au 
 T_jup = 3.153 
[ 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 15.7   n/a MPO494440  
diameter diameter 4.636 km 2.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266450 (2007 JH2)          Discovered 2007-May-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2007 JH2 = 2010 CX8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-10 20:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin