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344777 (2003 WU170)
Classification: Main-belt Asteroid          SPK-ID: 2344777
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2041756830429156 6.5761e-08  
a 2.717163000259822 3.4851e-08 au
q 2.162384388742835 1.7275e-07 au
i 9.86955842457154 9.2846e-06 deg
node 153.946859640394 4.2087e-05 deg
peri 262.3794460457176 5.0354e-05 deg
M 251.1133412765661 3.0409e-05 deg
tp 2459495.316457395117
(2021-Oct-07.81645739)
0.00014491 TDB
period 1635.957304142213
4.48
3.1475e-05
8.617e-08
d
yr
n .2200546426783186 4.2337e-09 deg/d
Q 3.271941611776809 4.1966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      5700 days (15.61 yr)  
   first obs. used      2003-10-19  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64705  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:31:09  

Additional Information
 Earth MOID = 1.20003 au 
 Jupiter MOID = 2.18728 au 
 T_jup = 3.309 
[ 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 16.6   n/a MPO476593  

344777 (2003 WU170)          Discovered 2003-Nov-21 by CSS at Catalina
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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