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413289 (2003 US155)
Classification: Main-belt Asteroid          SPK-ID: 2413289
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05543215652741937 6.22e-08  
a 2.391203460729342 1.8165e-08 au
q 2.258653896205286 1.4512e-07 au
i 4.538877809800622 4.8744e-06 deg
node 109.9238635532865 0.0001178 deg
peri 329.4341913823035 0.00015537 deg
M 126.4674041063481 0.00010008 deg
tp 2458526.040304049549
(2019-Feb-11.54030405)
0.00037517 TDB
period 1350.589045051719
3.70
1.539e-05
4.214e-08
d
yr
n .2665503628353615 3.0374e-09 deg/d
Q 2.523753025253398 1.9172e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      6034 days (16.52 yr)  
   first obs. used      2003-10-20  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56939  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 02:07:34  

Additional Information
 Earth MOID = 1.27576 au 
 Jupiter MOID = 2.58778 au 
 T_jup = 3.526 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457615.5 (2016-Aug-15.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05519498066373491 6.1082e-08  
q 2.260168975452312 1.4212e-07 au
tp 2457178.228589516465
(2015-Jun-04.72858952)
0.00037907 TDB
node 109.9430670103331 0.00011781 deg
peri 330.3143862568792 0.00015605 deg
i 4.538231176700894 4.8737e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      6034 days (16.52 yr)  
   first obs. used      2003-10-20  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56939  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 02:07:34  

Additional Information
 Jupiter MOID = 2.58778 au 
 T_jup = 3.526 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.730978335893453E-15 -8.622312977728133E-15 -1.398909976407427E-11 -1.129534822299278E-13 -3.767957542485755E-12 -3.453051158972407E-15
q -8.622312977728133E-15 2.019723176715485E-14 3.329726911022097E-11 2.659200964986803E-13 8.986537433924195E-12 8.257085945801692E-15
tp -1.398909976407427E-11 3.329726911022097E-11 1.436957743586739E-7 8.328868954373621E-10 3.89247122398172E-8 1.268045560386802E-11
node -1.129534822299278E-13 2.659200964986803E-13 8.328868954373621E-10 1.38794399841193E-8 -1.360481835452388E-8 7.053797229902238E-11
peri -3.767957542485755E-12 8.986537433924195E-12 3.89247122398172E-8 -1.360481835452388E-8 2.435047702423608E-8 -6.676751231669428E-11
i -3.453051158972407E-15 8.257085945801692E-15 1.268045560386802E-11 7.053797229902238E-11 -6.676751231669428E-11 2.375252681738542E-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 ]
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