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382811 (2003 UM216)
Classification: Main-belt Asteroid          SPK-ID: 2382811
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04489898564736457 8.2976e-08  
a 2.81190387781049 3.0941e-08 au
q 2.685652245958908 2.4052e-07 au
i 7.310034781133243 7.5585e-06 deg
node 53.0636987506551 5.3655e-05 deg
peri 343.535131966192 8.819e-05 deg
M 176.0627316428541 7.0898e-05 deg
tp 2458158.205300279612
(2018-Feb-08.70530028)
0.00033424 TDB
period 1722.2616567965
4.72
2.8426e-05
7.783e-08
d
yr
n .2090274718590783 3.45e-09 deg/d
Q 2.938155509662072 3.233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      6032 days (16.51 yr)  
   first obs. used      2003-10-20  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59461  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:44:26  

Additional Information
 Earth MOID = 1.69392 au 
 Jupiter MOID = 2.26906 au 
 T_jup = 3.307 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457671.5 (2016-Oct-10.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0446969346746816 8.2443e-08  
q 2.686791380090114 2.3896e-07 au
tp 2458163.720217203862
(2018-Feb-14.22021720)
0.00034038 TDB
node 53.07661326748845 5.3651e-05 deg
peri 344.796006852539 8.9241e-05 deg
i 7.310041722160471 7.5584e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      6032 days (16.51 yr)  
   first obs. used      2003-10-20  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59461  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:44:26  

Additional Information
 Jupiter MOID = 2.26906 au 
 T_jup = 3.307 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.796929892915072E-15 -1.955464397092427E-14 -1.150170065274356E-11 2.517758287785872E-14 -2.59285172259128E-12 -2.453839579379603E-16
q -1.955464397092427E-14 5.71033416804553E-14 3.570918348225841E-11 -6.61873725509245E-14 7.951797262023782E-12 1.566269286552775E-15
tp -1.150170065274356E-11 3.570918348225841E-11 1.15858449668053E-7 1.327780610138221E-10 2.431698665575484E-8 -1.691798524865856E-11
node 2.517758287785872E-14 -6.61873725509245E-14 1.327780610138221E-10 2.878377567321506E-9 -2.82751389921454E-9 -1.827073775311151E-10
peri -2.59285172259128E-12 7.951797262023782E-12 2.431698665575484E-8 -2.82751389921454E-9 7.96396060114456E-9 1.777233927029284E-10
i -2.453839579379603E-16 1.566269286552775E-15 -1.691798524865856E-11 -1.827073775311151E-10 1.777233927029284E-10 5.712884905874674E-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 15.9   n/a MPO434373  

382811 (2003 UM216)          Discovered 2003-Oct-21 by LINEAR at Socorro
Reference: Last Updated: 2014-01-21

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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