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 ]  
347991 (2003 SR144)
Classification: Main-belt Asteroid          SPK-ID: 2347991
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2116140732887874 6.9633e-08  
a 2.633923886163235 1.2784e-08 au
q 2.0765485238796 1.8531e-07 au
i 10.77529242218842 4.9687e-06 deg
node 244.4815972983117 3.1465e-05 deg
peri 115.7401942494236 3.6473e-05 deg
M 330.993579669328 1.2986e-05 deg
tp 2459126.304128429475
(2020-Oct-03.80412843)
5.6117e-05 TDB
period 1561.360751113474
4.27
1.1367e-05
3.112e-08
d
yr
n .2305681116572634 1.6786e-09 deg/d
Q 3.191299248446869 1.5489e-08 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      7626 days (20.88 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:53:12  

Additional Information
 Earth MOID = 1.101 au 
 Jupiter MOID = 2.39784 au 
 T_jup = 3.342 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458140.5 (2018-Jan-22.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2131808005017321 6.996e-08  
q 2.070830762028026 1.8655e-07 au
tp 2457566.795438887800
(2016-Jun-27.29543889)
5.9074e-05 TDB
node 244.5019046665914 3.1446e-05 deg
peri 115.9649222388158 3.6378e-05 deg
i 10.78244411805741 4.9757e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      7626 days (20.88 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:53:12  

Additional Information
 Jupiter MOID = 2.39784 au 
 T_jup = 3.342 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.8944466204031E-15 -1.303270141940042E-14 2.108251969175407E-12 -8.318224110134809E-15 7.571540189430986E-13 -4.864417772345555E-14
q -1.303270141940042E-14 3.480127499245305E-14 -5.809112786110397E-12 2.205473265873504E-14 -2.060586053006301E-12 1.299789003572354E-13
tp 2.108251969175407E-12 -5.809112786110397E-12 3.489778723477733E-9 -5.532652394857389E-12 1.108644270881387E-9 -1.884792296621735E-11
node -8.318224110134809E-15 2.205473265873504E-14 -5.532652394857389E-12 9.888727675835937E-10 -9.733495053030444E-10 -6.588057093519797E-11
peri 7.571540189430986E-13 -2.060586053006301E-12 1.108644270881387E-9 -9.733495053030444E-10 1.323335106427434E-9 5.804197620860718E-11
i -4.864417772345555E-14 1.299789003572354E-13 -1.884792296621735E-11 -6.588057093519797E-11 5.804197620860718E-11 2.475728183954294E-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 16.6   n/a MPO434193  

347991 (2003 SR144)          Discovered 2003-Sep-19 by NEAT at Palomar
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02

[ show close-approach data ]
Alternate Designations
 2003 SR144 = 1999 XT240 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-27 04:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin