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 ]  
180693 (2004 HB26)
Classification: Main-belt Asteroid          SPK-ID: 2180693
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1480675096619013 5.6539e-08  
a 2.682151498931454 1.703e-08 au
q 2.285012005948738 1.5518e-07 au
i 3.392941377541006 4.6419e-06 deg
node 88.24988500408489 0.00010405 deg
peri 125.0297345642387 0.00010523 deg
M 289.7287645151214 1.7371e-05 deg
tp 2459513.683211155213
(2021-Oct-26.18321116)
7.8623e-05 TDB
period 1604.439643588424
4.39
1.5281e-05
4.184e-08
d
yr
n .2243774026892272 2.137e-09 deg/d
Q 3.07929099191417 1.9552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      9478 days (25.95 yr)  
   first obs. used      1995-03-26  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58433  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:32  

Additional Information
 Earth MOID = 1.2797 au 
 Jupiter MOID = 1.888 au 
 T_jup = 3.358 
[ 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 16.55   n/a MPCxxxxx  
diameter diameter 3.572 km 0.788 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180693 (2004 HB26)          Discovered 2004-Apr-19 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ 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 2021-May-11 18:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin