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 ]  
56520 (2000 HO21)
Classification: Main-belt Asteroid          SPK-ID: 2056520
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1442752588203793 3.451e-08  
a 2.239965983709849 8.5573e-09 au
q 1.916794311661265 7.9447e-08 au
i 5.070177346622649 3.8085e-06 deg
node 95.74338407897838 5.6538e-05 deg
peri 180.2240870252104 5.9424e-05 deg
M 311.1154076489745 2.0256e-05 deg
tp 2459166.776187750927
(2020-Nov-13.27618775)
6.9085e-05 TDB
period 1224.504996594863
3.35
7.0169e-06
1.921e-08
d
yr
n .2939963503628796 1.6847e-09 deg/d
Q 2.563137655758433 9.7919e-09 au
  Orbit Determination Parameters
   # obs. used (total)      694  
   data-arc span      8891 days (24.34 yr)  
   first obs. used      1996-01-25  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59335  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:25:23  

Additional Information
 Earth MOID = .900397 au 
 Jupiter MOID = 2.54041 au 
 T_jup = 3.616 
[ 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 16.0   n/a MPO468457  
diameter diameter 1.633 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.348   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56520 (2000 HO21)          Discovered 2000-Apr-28 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 HO21 = 2001 VP82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-06 13:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin