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357412 (2003 WN172)
Classification: Main-belt Asteroid          SPK-ID: 2357412
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2598298013825898 5.7076e-08  
a 2.644770312929428 1.3248e-08 au
q 1.957580167818404 1.5002e-07 au
i 11.48754704767497 9.306e-06 deg
node 309.3005025448314 2.2448e-05 deg
peri 137.2159942431601 2.9146e-05 deg
M 306.781506988716 1.6487e-05 deg
tp 2459232.741827690440
(2021-Jan-18.24182769)
7.2716e-05 TDB
period 1571.015134735801
4.30
1.1804e-05
3.232e-08
d
yr
n .229151197872159 1.7218e-09 deg/d
Q 3.331960458040451 1.6691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      453  
   data-arc span      6188 days (16.94 yr)  
   first obs. used      2003-11-19  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51642  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:27:24  

Additional Information
 Earth MOID = .99044 au 
 Jupiter MOID = 1.93584 au 
 T_jup = 3.317 
[ 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 15.9   n/a MPO494859  

357412 (2003 WN172)          Discovered 2003-Nov-30 by CSS at Catalina
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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