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172581 (2003 UC250)
Classification: Main-belt Asteroid          SPK-ID: 2172581
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0638641869049022 4.3613e-08  
a 2.457343979171724 1.3075e-08 au
q 2.300407703996266 1.084e-07 au
i 5.372280026215123 4.5519e-06 deg
node 248.3221221872664 4.9506e-05 deg
peri 268.5757755920444 6.1821e-05 deg
M 358.2857803704526 3.6502e-05 deg
tp 2459007.199792000769
(2020-Jun-06.69979200)
0.00014266 TDB
period 1407.010559617652
3.85
1.123e-05
3.075e-08
d
yr
n .2558616191891467 2.0421e-09 deg/d
Q 2.614280254347183 1.391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      313  
   data-arc span      7416 days (20.30 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54732  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:51:29  

Additional Information
 Earth MOID = 1.31707 au 
 Jupiter MOID = 2.39261 au 
 T_jup = 3.483 
[ 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 16.3   n/a MPO412968  

172581 (2003 UC250)          Discovered 2003-Oct-25 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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