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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
381989 (2010 HR80)
Classification: Apollo [NEO]          SPK-ID: 2381989
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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4957789956241516 2.5457e-07  
a 1.347416144567565 8.1171e-08 au
q .6793955217260911 3.1357e-07 au
i 26.71445947205626 4.804e-05 deg
node 6.235480819233863 8.2849e-05 deg
peri 291.3148647715403 7.9053e-05 deg
M 111.9575094843404 0.00015406 deg
tp 2458822.835043005550
(2019-Dec-05.33504301)
0.00022861 TDB
period 571.2826661881752
1.56
5.1623e-05
1.413e-07
d
yr
n .6301609016112163 5.6944e-08 deg/d
Q 2.015436767409039 1.2141e-07 au
  Orbit Determination Parameters
   # obs. used (total)      58  
   data-arc span      1301 days (3.56 yr)  
   first obs. used      2010-04-28  
   last obs. used      2013-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .6812  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:37:27  

Additional Information
 Earth MOID = .10417 au 
 Jupiter MOID = 3.52552 au 
 T_jup = 4.651 
[ 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 19.9   n/a MPO281838  
diameter diameter 0.783 km 0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
geometric albedo albedo 0.020   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

381989 (2010 HR80)          Discovered 2010-Apr-28 by WISE at WISE
Reference: Last Updated: 2013-12-19

[ 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-Feb-20 20:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin