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 ]  
382117 (2011 HN56)
Classification: Main-belt Asteroid          SPK-ID: 2382117
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283617428534405 1.0496e-07  
a 2.531155817569721 2.0599e-08 au
q 2.206252245392847 2.6849e-07 au
i 15.24097152519552 1.4247e-05 deg
node 70.38416133035915 2.7202e-05 deg
peri 114.5927537367625 5.9082e-05 deg
M 25.9760773394836 4.771e-05 deg
tp 2458494.367641243360
(2019-Jan-10.86764124)
0.000195 TDB
period 1470.878325970905
4.03
1.7955e-05
4.916e-08
d
yr
n .244751719869398 2.9877e-09 deg/d
Q 2.856059389746595 2.3243e-08 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      5883 days (16.11 yr)  
   first obs. used      2003-05-25  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62517  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:59:23  

Additional Information
 Earth MOID = 1.2498 au 
 Jupiter MOID = 2.21962 au 
 T_jup = 3.390 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457435.5 (2016-Feb-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283652977268147 1.0459e-07  
q 2.206167437376543 2.6726e-07 au
tp 2457022.171501065289
(2014-Dec-30.67150107)
0.00019721 TDB
node 70.39748545292449 2.7208e-05 deg
peri 114.2731680575884 5.9243e-05 deg
i 15.23925312596917 1.4245e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      5883 days (16.11 yr)  
   first obs. used      2003-05-25  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62517  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:59:23  

Additional Information
 Jupiter MOID = 2.21962 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.093861818587648E-14 -2.788960665684642E-14 1.550685215990116E-11 -7.430394795075322E-14 3.987331726020583E-12 -6.779828700595046E-14
q -2.788960665684642E-14 7.142912472119027E-14 -3.969280518502687E-11 1.881110621927132E-13 -1.018829847758873E-11 1.748738372206582E-13
tp 1.550685215990116E-11 -3.969280518502687E-11 3.889136607756641E-8 -9.063331142313596E-11 1.041923160008816E-8 -1.582165744196262E-10
node -7.430394795075322E-14 1.881110621927132E-13 -9.063331142313596E-11 7.402697595483338E-10 -7.36595907933501E-10 -2.609107598394959E-10
peri 3.987331726020583E-12 -1.018829847758873E-11 1.041923160008816E-8 -7.36595907933501E-10 3.509679968328104E-9 2.102961921563835E-10
i -6.779828700595046E-14 1.748738372206582E-13 -1.582165744196262E-10 -2.609107598394959E-10 2.102961921563835E-10 2.029277971059616E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO277809  

382117 (2011 HN56)          Discovered 2009-Nov-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-12-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-11 00:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin