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204013 (2003 UU38)
Classification: Main-belt Asteroid          SPK-ID: 2204013
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03244222304681446 6.0402e-08  
a 2.736818667741071 2.9056e-08 au
q 2.648030186083529 1.7326e-07 au
i 3.882160519280102 6.3375e-06 deg
node 250.9707719986781 0.00010122 deg
peri 64.33958140767855 0.0001519 deg
M 1.788451037882336 0.0001158 deg
tp 2459192.284348353236
(2020-Dec-08.78434835)
0.00053191 TDB
period 1653.740879782341
4.53
2.6336e-05
7.21e-08
d
yr
n .2176882753526549 3.4667e-09 deg/d
Q 2.825607149398612 2.9999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      6142 days (16.82 yr)  
   first obs. used      2003-10-02  
   last obs. used      2020-07-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56263  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:03:49  

Additional Information
 Earth MOID = 1.63469 au 
 Jupiter MOID = 2.26155 au 
 T_jup = 3.348 
[ show covariance matrix ]

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 16.2   n/a MPO470179  

204013 (2003 UU38)          Discovered 2003-Oct-27 by Kusnirak, P. at Ondrejov
Reference: 20090111/Numbers.arcLast Updated: 2009-02-03

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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