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 ]  
359278 (2009 HJ6)
Classification: Main-belt Asteroid          SPK-ID: 2359278
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0347911639547888 6.1835e-08  
a 2.737389535257809 3.3121e-08 au
q 2.642152567128532 1.8556e-07 au
i 6.970991631170166 6.0777e-06 deg
node 141.6727673443361 4.753e-05 deg
peri 221.7585755042546 0.00010939 deg
M 13.78378427081757 9.6123e-05 deg
tp 2458937.161277823805
(2020-Mar-28.66127782)
0.00044202 TDB
period 1654.258332503476
4.53
3.0024e-05
8.22e-08
d
yr
n .2176201823660716 3.9497e-09 deg/d
Q 2.832626503387087 3.4274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      6570 days (17.99 yr)  
   first obs. used      2001-08-26  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56217  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:44:31  

Additional Information
 Earth MOID = 1.64139 au 
 Jupiter MOID = 2.32505 au 
 T_jup = 3.340 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457319.5 (2015-Oct-24.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03694044389017261 6.192e-08  
q 2.637154648942535 1.8611e-07 au
tp 2457274.577083925464
(2015-Sep-09.07708393)
0.00042287 TDB
node 141.8050300295989 4.7541e-05 deg
peri 220.0651702954316 0.00010393 deg
i 6.969528118762636 6.0745e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      6570 days (17.99 yr)  
   first obs. used      2001-08-26  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56217  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:44:31  

Additional Information
 Jupiter MOID = 2.32505 au 
 T_jup = 3.340 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.834083905018681E-15 -1.138517876120168E-14 2.991848390370351E-12 -9.063890629821741E-15 8.299542106948891E-13 -8.924956731194037E-17
q -1.138517876120168E-14 3.463682825266151E-14 -1.283808026054978E-11 2.092843904619134E-14 -3.315101672911127E-12 1.334032603872938E-15
tp 2.991848390370351E-12 -1.283808026054978E-11 1.788160022318236E-7 1.364659513033448E-10 3.910007154861872E-8 1.178714868972364E-11
node -9.063890629821741E-15 2.092843904619134E-14 1.364659513033448E-10 2.260174006550182E-9 -2.213525056462243E-9 -5.984208242934438E-11
peri 8.299542106948891E-13 -3.315101672911127E-12 3.910007154861872E-8 -2.213525056462243E-9 1.080104572673808E-8 6.197947169405052E-11
i -8.924956731194037E-17 1.334032603872938E-15 1.178714868972364E-11 -5.984208242934438E-11 6.197947169405052E-11 3.689975600702128E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO440609  

359278 (2009 HJ6)          Discovered 2009-Apr-02 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2009 HJ6 = 2013 CX18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-23 06:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin