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15765 (1992 WU1)
Classification: Main-belt Asteroid          SPK-ID: 2015765
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3414594293050492 5.0672e-08  
a 2.590538183460279 1.0668e-08 au
q 1.705974493742993 1.3079e-07 au
i 5.215651850147941 5.3628e-06 deg
node 231.1384003881599 4.0245e-05 deg
peri 164.9179072666374 4.0602e-05 deg
M 229.7196816242973 5.4493e-06 deg
tp 2459551.637211163193
(2021-Dec-03.13721116)
2.4453e-05 TDB
period 1522.942210246799
4.17
9.4075e-06
2.576e-08
d
yr
n .2363845440607103 1.4602e-09 deg/d
Q 3.475101873177565 1.4311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      971  
   data-arc span      27006 days (73.94 yr)  
   first obs. used      1946-09-30  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48995  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:31:29  

Additional Information
 Earth MOID = .713879 au 
 Jupiter MOID = 1.96653 au 
 T_jup = 3.329 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457409.5 (2016-Jan-22.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3420611373679219 5.0619e-08  
q 1.703706234303412 1.3051e-07 au
tp 2458029.950293225545
(2017-Oct-03.45029323)
2.1678e-05 TDB
node 231.1426006087112 4.0233e-05 deg
peri 165.0675096487401 4.0588e-05 deg
i 5.217469324874383 5.3646e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      971  
   data-arc span      27006 days (73.94 yr)  
   first obs. used      1946-09-30  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48995  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:31:29  

Additional Information
 Jupiter MOID = 1.96653 au 
 T_jup = 3.329 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.56225961375002E-15 -6.596590868100788E-15 4.659085538876233E-13 1.959482751968899E-14 4.186945411096937E-15 -4.116801611747082E-15
q -6.596590868100788E-15 1.703338481503575E-14 -1.196420337198575E-12 -5.141547508917342E-14 -1.704759798430067E-14 1.088306378132644E-14
tp 4.659085538876233E-13 -1.196420337198575E-12 4.699337002255846E-10 5.30962096477787E-12 1.13748585089634E-10 -1.693235011793121E-12
node 1.959482751968899E-14 -5.141547508917342E-14 5.30962096477787E-12 1.618713964887796E-9 -1.61042359865167E-9 2.899606733339242E-11
peri 4.186945411096937E-15 -1.704759798430067E-14 1.13748585089634E-10 -1.61042359865167E-9 1.647418541110637E-9 -2.922780803418575E-11
i -4.116801611747082E-15 1.088306378132644E-14 -1.693235011793121E-12 2.899606733339242E-11 -2.922780803418575E-11 2.877912947672601E-11

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 14.7   n/a MPO435846  

15765 (1992 WU1)          Discovered 1992-Nov-18 by Sugie, A. at Dynic
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 WU1 = 1946 SN = 1971 SD4 = 1971 TK3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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