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 ]  
295344 (2008 HK17)
Classification: Main-belt Asteroid          SPK-ID: 2295344
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1448924860372678 5.4088e-08  
a 2.35910618918524 1.6081e-08 au
q 2.017289428608286 1.318e-07 au
i 7.3137295026886 5.5021e-06 deg
node 223.1756554001448 3.8199e-05 deg
peri 104.5035906413102 4.2846e-05 deg
M 16.2210730858638 1.8366e-05 deg
tp 2458940.865615364078
(2020-Apr-01.36561536)
6.737e-05 TDB
period 1323.486945363747
3.62
1.3533e-05
3.705e-08
d
yr
n .2720087275972772 2.7813e-09 deg/d
Q 2.700922949762194 1.8411e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      10102 days (27.66 yr)  
   first obs. used      1991-11-06  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58358  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:39:19  

Additional Information
 Earth MOID = 1.02139 au 
 Jupiter MOID = 2.64552 au 
 T_jup = 3.527 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457368.5 (2015-Dec-12.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1451390928777854 5.4163e-08  
q 2.016586115006364 1.3201e-07 au
tp 2457618.637437312846
(2016-Aug-18.13743731)
6.5472e-05 TDB
node 223.2025688749084 3.8174e-05 deg
peri 104.891512846861 4.2799e-05 deg
i 7.316090472187927 5.5043e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      10102 days (27.66 yr)  
   first obs. used      1991-11-06  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58358  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:39:19  

Additional Information
 Jupiter MOID = 2.64552 au 
 T_jup = 3.527 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.933658426448401E-15 -7.114007683979673E-15 8.516334198182021E-13 -1.333092265589721E-14 3.792297275994364E-13 -9.910952903011367E-15
q -7.114007683979673E-15 1.742631158661751E-14 -1.981834527666886E-12 3.161613713420589E-14 -9.070264461457205E-13 2.467559648004752E-14
tp 8.516334198182021E-13 -1.981834527666886E-12 4.28661157206033E-9 -1.562514539502837E-11 1.273955497127013E-9 -3.117077275534182E-12
node -1.333092265589721E-14 3.161613713420589E-14 -1.562514539502837E-11 1.457269800819416E-9 -1.450026023027064E-9 -1.384667398768657E-11
peri 3.792297275994364E-13 -9.070264461457205E-13 1.273955497127013E-9 -1.450026023027064E-9 1.83176247899246E-9 1.254756179253635E-11
i -9.910952903011367E-15 2.467559648004752E-14 -3.117077275534182E-12 -1.384667398768657E-11 1.254756179253635E-11 3.02976664179583E-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 16.8   n/a MPO476296  

295344 (2008 HK17)          Discovered 2008-Apr-26 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ 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-Oct-29 09:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin