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JPL Small-Body Database Browser
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172354 (2002 WY7)
Classification: Main-belt Asteroid          SPK-ID: 2172354
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1460399607703034 4.4183e-08  
a 3.010653368019122 2.3877e-08 au
q 2.570977668260628 1.3575e-07 au
i 1.485167848255178 5.9132e-06 deg
node 151.0513251888973 0.00020812 deg
peri 292.9238045477899 0.00020934 deg
M 112.0862017171077 2.1191e-05 deg
tp 2458406.427823923249
(2018-Oct-14.92782392)
0.00011094 TDB
period 1908.04916315572
5.22
2.2699e-05
6.215e-08
d
yr
n .1886743837378888 2.2446e-09 deg/d
Q 3.450329067777616 2.7365e-08 au
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      9511 days (26.04 yr)  
   first obs. used      1992-12-24  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63255  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:49:15  

Additional Information
 Earth MOID = 1.58753 au 
 Jupiter MOID = 1.77245 au 
 T_jup = 3.233 
[ 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 MPO469845  

172354 (2002 WY7)          Discovered 2002-Nov-24 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2002 WY7 = 1999 GV55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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