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310951 (2003 UT38)
Classification: Main-belt Asteroid          SPK-ID: 2310951
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1970830928384941 4.6775e-08  
a 2.425172825869025 1.4489e-08 au
q 1.947212264678887 1.1456e-07 au
i 5.682078666725879 4.0637e-06 deg
node 70.17379893516419 6.6807e-05 deg
peri 312.5137263114901 6.828e-05 deg
M 196.6668837199512 1.4636e-05 deg
tp 2459826.370114346653
(2022-Sep-03.87011435)
5.7492e-05 TDB
period 1379.470656633257
3.78
1.2363e-05
3.385e-08
d
yr
n .2609696685238798 2.3388e-09 deg/d
Q 2.903133387059163 1.7345e-08 au
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      6022 days (16.49 yr)  
   first obs. used      2003-09-28  
   last obs. used      2020-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56509  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:24:09  

Additional Information
 Earth MOID = .95501 au 
 Jupiter MOID = 2.55894 au 
 T_jup = 3.478 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457310.5 (2015-Oct-15.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1956757859132745 4.6951e-08  
q 1.951438045157778 1.1491e-07 au
tp 2457063.892377509016
(2015-Feb-10.39237751)
5.6257e-05 TDB
node 70.29239118620346 6.6921e-05 deg
peri 311.9627439475557 6.8416e-05 deg
i 5.676971182666335 4.0594e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      6022 days (16.49 yr)  
   first obs. used      2003-09-28  
   last obs. used      2020-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56509  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:24:09  

Additional Information
 Jupiter MOID = 2.55894 au 
 T_jup = 3.478 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.204423766496891E-15 -5.367633782748681E-15 -1.385114096762532E-12 -4.2579416283827E-14 -3.562102238274314E-13 -4.123909761564775E-15
q -5.367633782748681E-15 1.320463237787306E-14 3.276296270603161E-12 1.079302580294708E-13 8.430642843143403E-13 1.041334153807855E-14
tp -1.385114096762532E-12 3.276296270603161E-12 3.164900890252556E-9 4.457192613535315E-11 8.60162178404766E-10 4.381737887175962E-12
node -4.2579416283827E-14 1.079302580294708E-13 4.457192613535315E-11 4.478382453535962E-9 -4.443919322775991E-9 3.49687141924523E-11
peri -3.562102238274314E-13 8.430642843143403E-13 8.60162178404766E-10 -4.443919322775991E-9 4.680753905767547E-9 -3.356056293684051E-11
i -4.123909761564775E-15 1.041334153807855E-14 4.381737887175962E-12 3.49687141924523E-11 -3.356056293684051E-11 1.647843277864589E-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 17.27   n/a E2021B25  

310951 (2003 UT38)          Discovered 2003-Oct-26 by Klet at Klet
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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