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192448 (1997 WY15)
Classification: Jupiter Trojan          SPK-ID: 2192448
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06977827131404479 6.2384e-08  
a 5.198811083189738 1.1825e-07 au
q 4.836047032916461 3.4457e-07 au
i 4.118381422387992 7.1573e-06 deg
node 190.5466206860631 5.9021e-05 deg
peri 182.2256449788551 7.2403e-05 deg
M 27.12816874447743 3.7891e-05 deg
tp 2458874.233519240970
(2020-Jan-25.73351924)
0.00046135 TDB
period 4329.666855864046
11.85
0.00014772
4.044e-07
d
yr
n .08314727483303262 2.8368e-09 deg/d
Q 5.561575133463015 1.265e-07 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      8471 days (23.19 yr)  
   first obs. used      1997-11-23  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5459  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:08  

Additional Information
 Earth MOID = 3.8349 au 
 Jupiter MOID = .0920116 au 
 T_jup = 2.990 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.50   n/a MPCxxxxx  

192448 (1997 WY15)          Discovered 1997-Nov-23 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 1997 WY15 = 2007 SD18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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