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 ]  
408832 (2001 QJ298)
Classification: TransNeptunian Object          SPK-ID: 2408832
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03653205509007313 0.00019069  
a 44.17595553714674 0.022807 au
q 42.56211709580707 0.029331 au
i 2.154727647515001 0.00050115 deg
node 162.7195792066465 0.0027582 deg
peri 293.7407948995739 0.57224 deg
M 255.5086565523962 0.56957 deg
tp 2489728.783083009170
(2104-Jul-18.28308301)
146.08 TDB
period 107245.0744735859
293.62
83.053
0.2274
d
yr
n .003356797519765506 2.5996e-06 deg/d
Q 45.78979397848641 0.023641 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      5196 days (14.23 yr)  
   first obs. used      2000-07-31  
   last obs. used      2014-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .29238  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 17:46:37  

Additional Information
 Earth MOID = 41.5796 au 
 Jupiter MOID = 37.3725 au 
 T_jup = 5.937 
[ hide covariance matrix ]
Orbital Elements at Epoch 2453948.5 (2006-Aug-01.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03850233679645128 0.00021011  
q 42.35914183812156 0.0302 au
tp 2490851.804494089694
(2107-Aug-15.30449409)
131 TDB
node 162.7000828446588 0.0027539 deg
peri 298.0627556424411 0.52514 deg
i 2.154910161190218 0.00050228 deg
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      5196 days (14.23 yr)  
   first obs. used      2000-07-31  
   last obs. used      2014-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .29238  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 17:46:37  

Additional Information
 Jupiter MOID = 37.3725 au 
 T_jup = 5.937 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.41480934343294E-8 -5.944146351252467E-6 .01976283702624426 9.869150420395943E-9 8.441110715168985E-5 -1.534373981214444E-9
q -5.944146351252467E-6 .0009120609367759438 -3.624408822311926 -1.556068146126852E-6 -.01493896736630641 2.451785808905949E-7
tp .01976283702624426 -3.624408822311926 17161.71377576696 .006373159944840982 68.6241026566335 -.001018924569605902
node 9.869150420395943E-9 -1.556068146126852E-6 .006373159944840982 7.584097475845447E-6 1.854814962621176E-5 -1.153677165600007E-6
peri 8.441110715168985E-5 -.01493896736630641 68.6241026566335 1.854814962621176E-5 .2757706627632082 -3.013272857785323E-6
i -1.534373981214444E-9 2.451785808905949E-7 -.001018924569605902 -1.153677165600007E-6 -3.013272857785323E-6 2.522863493500012E-7

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.2   n/a MPO307221  

408832 (2001 QJ298)          Discovered 2001-Aug-21 by Buie, M. W. at Cerro Tololo
Reference: Last Updated: 2014-10-09
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-15 18:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin