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 ]  
413289 (2003 US155)
Classification: Main-belt Asteroid          SPK-ID: 2413289
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0554321561297886 6.2137e-08  
a 2.391203461198639 1.8054e-08 au
q 2.258653897599385 1.4504e-07 au
i 4.538879492906894 4.7244e-06 deg
node 109.9238806339638 0.00011716 deg
peri 329.4341699300214 0.00015305 deg
M 126.4674080667048 9.7459e-05 deg
tp 2458526.040289052055
(2019-Feb-11.54028905)
0.00036517 TDB
period 1350.589045449318
3.70
1.5296e-05
4.188e-08
d
yr
n .2665503627568919 3.0188e-09 deg/d
Q 2.523753024797893 1.9055e-08 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      6062 days (16.60 yr)  
   first obs. used      2003-10-20  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:28:46  

Additional Information
 Earth MOID = 1.27576 au 
 Jupiter MOID = 2.58778 au 
 T_jup = 3.526 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457698.5 (2016-Nov-06.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05536039834057235 6.119e-08  
q 2.259350253544855 1.4245e-07 au
tp 2457177.927522792671
(2015-Jun-04.42752279)
0.00036713 TDB
node 109.9353540521045 0.00011717 deg
peri 330.2002144901141 0.00015349 deg
i 4.538362441825241 4.7237e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      6062 days (16.60 yr)  
   first obs. used      2003-10-20  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:28:46  

Additional Information
 Jupiter MOID = 2.58778 au 
 T_jup = 3.526 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.744164797890705E-15 -8.658819000619056E-15 -1.380676471960539E-11 -1.034093241030352E-13 -3.727655702066112E-12 -2.574239104922721E-15
q -8.658819000619056E-15 2.029204883081511E-14 3.30573191752644E-11 2.442239085150065E-13 8.94462850669188E-12 6.245057823232595E-15
tp -1.380676471960539E-11 3.30573191752644E-11 1.34787744644953E-7 7.258662710125233E-10 3.652878656606063E-8 6.218573813540817E-12
node -1.034093241030352E-13 2.442239085150065E-13 7.258662710125233E-10 1.372972627751084E-8 -1.348545753839697E-8 5.56524891558588E-11
peri -3.727655702066112E-12 8.94462850669188E-12 3.652878656606063E-8 -1.348545753839697E-8 2.3557965383843E-8 -5.372009067566625E-11
i -2.574239104922721E-15 6.245057823232595E-15 6.218573813540817E-12 5.56524891558588E-11 -5.372009067566625E-11 2.231317804778069E-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 17.9   n/a MPO460569  

413289 (2003 US155)          Discovered 2003-Oct-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-11-10

Alternate Designations
 2003 US155 = 2014 SO195 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-29 08:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin