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 ]  
379864 (2012 HK3)
Classification: Main-belt Asteroid          SPK-ID: 2379864
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3093219692699729 7.7368e-08  
a 2.721908499834082 6.9875e-08 au
q 1.879962402492726 2.3635e-07 au
i 10.84329740829059 9.3716e-06 deg
node 90.67935957669351 4.6883e-05 deg
peri 231.4733176692287 4.9927e-05 deg
M 126.8159015448584 1.5358e-05 deg
tp 2458022.696827219016
(2017-Sep-26.19682722)
6.6772e-05 TDB
period 1640.244950887138
4.49
6.3161e-05
1.729e-07
d
yr
n .219479413611541 8.4515e-09 deg/d
Q 3.563854597175438 9.1489e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      6586 days (18.03 yr)  
   first obs. used      2001-01-03  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64772  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:43:20  

Additional Information
 Earth MOID = .887689 au 
 Jupiter MOID = 1.83886 au 
 T_jup = 3.263 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456885.5 (2014-Aug-16.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3105570171998124 7.7558e-08  
q 1.876016658812236 2.3568e-07 au
tp 2456376.540384001855
(2013-Mar-25.04038400)
9.0225e-05 TDB
node 91.14641772426563 4.6554e-05 deg
peri 230.2569270753526 4.9648e-05 deg
i 10.88951724727026 9.4004e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      6586 days (18.03 yr)  
   first obs. used      2001-01-03  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64772  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:43:20  

Additional Information
 Jupiter MOID = 1.83886 au 
 T_jup = 3.263 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.015275183664759E-15 -1.79842173945873E-14 1.930919956235827E-12 -4.510499171843953E-14 2.142005886357859E-13 5.807054136189908E-15
q -1.79842173945873E-14 5.554444732156105E-14 -8.121022148843145E-12 1.384461589648952E-13 -9.646394366443264E-13 -4.460995741837583E-15
tp 1.930919956235827E-12 -8.121022148843145E-12 8.140471694278897E-9 -1.124519940317668E-10 1.600517531179193E-9 -5.241677222142664E-12
node -4.510499171843953E-14 1.384461589648952E-13 -1.124519940317668E-10 2.167286894826595E-9 -2.148125488325915E-9 -4.544016792422666E-11
peri 2.142005886357859E-13 -9.646394366443264E-13 1.600517531179193E-9 -2.148125488325915E-9 2.464908729197409E-9 4.387527060160575E-11
i 5.807054136189908E-15 -4.460995741837583E-15 -5.241677222142664E-12 -4.544016792422666E-11 4.387527060160575E-11 8.836767586760188E-11

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 16.2   n/a MPO353303  

379864 (2012 HK3)          Discovered 2010-Jan-06 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ 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-Jan-17 16:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin