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541730 (2011 WP102)
Classification: Outer Main-belt Asteroid          SPK-ID: 2541730
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2903332428604799 1.2815e-07  
a 3.955016756529192 1.0872e-07 au
q 2.806743916038534 5.6643e-07 au
i 3.136405445150327 1.1251e-05 deg
node 162.4679840110429 0.000204 deg
peri 218.2002958504247 0.00021075 deg
M 105.1601652304346 4.3254e-05 deg
tp 2458557.291879351184
(2019-Mar-14.79187935)
0.00031823 TDB
period 2872.902707708357
7.87
0.00011846
3.243e-07
d
yr
n .1253088031954842 5.1669e-09 deg/d
Q 5.103289597019849 1.4028e-07 au
  Orbit Determination Parameters
   # obs. used (total)      53  
   data-arc span      6320 days (17.30 yr)  
   first obs. used      2003-10-20  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52648  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:16  

Additional Information
 Earth MOID = 1.80965 au 
 Jupiter MOID = .364246 au 
 T_jup = 2.982 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457133.5 (2015-Apr-21.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2886066124576603 1.2636e-07  
q 2.810366289894363 5.5295e-07 au
tp 2458558.703329155651
(2019-Mar-16.20332916)
0.00031813 TDB
node 162.5012972819371 0.00020405 deg
peri 218.2807302741616 0.00021095 deg
i 3.135674279488085 1.125e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      53  
   data-arc span      6320 days (17.30 yr)  
   first obs. used      2003-10-20  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52648  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:16  

Additional Information
 Jupiter MOID = .364246 au 
 T_jup = 2.982 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.596781448066953E-14 -6.958159697038388E-14 -2.753135123873622E-11 -1.272381061487458E-13 -4.604451237185995E-12 -6.42358887021921E-15
q -6.958159697038388E-14 3.057586415481679E-13 1.252545862082874E-10 5.654388842709173E-13 2.066923845443048E-11 2.813281036349804E-14
tp -2.753135123873622E-11 1.252545862082874E-10 1.012063935102753E-7 5.181239158553467E-10 1.708420426978789E-8 -2.554127893302007E-11
node -1.272381061487458E-13 5.654388842709173E-13 5.181239158553467E-10 4.163690463590725E-8 -4.148054006672512E-8 -2.89862414681535E-10
peri -4.604451237185995E-12 2.066923845443048E-11 1.708420426978789E-8 -4.148054006672512E-8 4.449906953041225E-8 2.843493390655089E-10
i -6.42358887021921E-15 2.813281036349804E-14 -2.554127893302007E-11 -2.89862414681535E-10 2.843493390655089E-10 1.265725332771249E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.45   n/a MPCxxxxx  

541730 (2011 WP102)          Discovered 2003-Oct-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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