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442526 (2011 WG104)
Classification: Main-belt Asteroid          SPK-ID: 2442526
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03232912659276953 6.4048e-08  
a 3.053037872605807 6.1965e-08 au
q 2.954335824729814 1.9496e-07 au
i 7.37569406840367 7.3629e-06 deg
node 334.5204358535778 5.3653e-05 deg
peri 82.27720150507058 0.00013165 deg
M 254.4744994183204 0.00012356 deg
tp 2459771.651911571794
(2022-Jul-11.15191157)		 0.00067571 TDB
period 1948.48341900728
5.33		 5.932e-05
1.624e-07		 d
yr
n .184759078003042 5.6249e-09 deg/d
Q 3.151739920481799 6.3968e-08 au
   Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      4101 days (11.23 yr)  
   first obs. used      2008-02-02  
   last obs. used      2019-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60159  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:41:35  

Additional Information
 Earth MOID = 1.97576 au 
 Jupiter MOID = 1.96644 au 
 T_jup = 3.223 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457490.5 (2016-Apr-12.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0359128221279295 6.4358e-08  
q 2.938747345781832 1.9675e-07 au
tp 2457828.676248983342
(2017-Mar-16.17624898)		 0.00058613 TDB
node 334.6838945741712 5.383e-05 deg
peri 82.64551799702862 0.00012055 deg
i 7.366990494959082 7.3543e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      4101 days (11.23 yr)  
   first obs. used      2008-02-02  
   last obs. used      2019-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60159  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:41:35  

Additional Information
 Jupiter MOID = 1.96644 au 
 T_jup = 3.223 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.141933291268338E-15 -1.211415464180889E-14 -1.35339272606238E-12 -1.140436103389115E-14 -3.58438774276049E-13 -9.417358460383939E-16
q -1.211415464180889E-14 3.871212344245106E-14 1.559903388366294E-11 3.181509567158961E-14 3.09267456908081E-12 5.750348425247692E-15
tp -1.35339272606238E-12 1.559903388366294E-11 3.435536504709414E-7 -4.550593944166557E-11 6.32679308083695E-8 -6.41188409762222E-12
node -1.140436103389115E-14 3.181509567158961E-14 -4.550593944166557E-11 2.897706032523637E-9 -2.881502424460829E-9 2.67503998761336E-11
peri -3.58438774276049E-13 3.09267456908081E-12 6.32679308083695E-8 -2.881502424460829E-9 1.453212328445944E-8 -2.778824759593426E-11
i -9.417358460383939E-16 5.750348425247692E-15 -6.41188409762222E-12 2.67503998761336E-11 -2.778824759593426E-11 5.40863658364929E-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 16.5   n/a MPO437721  

442526 (2011 WG104)          Discovered 2008-Feb-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1914-Oct-15 11:12 00:09 Jupiter 1.98315068311675 1.98314992065202 1.98315144558205 4.16712715634604 4.06333972464471 2420420.966706831 8.56126974276957 143.308784494088 34.519416146255 -83.560411755723 2234404.76677896 T 12 CATAB v2.0f-lin.ifort 2020-Feb-26 10:41:38 2020-Feb-26 10:41
1963-Jan-17 21:46 00:05 Jupiter 1.97725504538239 1.97725414406512 1.97725594670472 4.17714696394284 4.07330218494713 2438047.406789286 4.49683672298959 253.964043206509 30.7470896912322 83.541174926329 2275954.07934557 T 12 CATAB v2.0f-lin.ifort 2020-Feb-26 10:41:38 2020-Feb-26 10:41
2069-Mar-03 09:56 00:05 Jupiter 1.97254004004007 1.97253916082995 1.97254091925086 4.16475819919505 4.06034442414929 2476808.914165906 4.55251524471674 141.797808487111 36.4745103287985 -82.6912859928557 2389878.13331058 T 12 CATAB v2.0f-lin.ifort 2020-Feb-26 10:41:38 2020-Feb-26 10:41
2117-Jun-08 04:13 00:09 Jupiter 1.98734367710066 1.98734279692894 1.98734455729205 4.12523805648215 4.02059352285761 2494436.675774497 8.78023194105159 495.746967913441 30.1472036794502 86.3041892543398 2333928.72168511 T 12 CATAB v2.0f-lin.ifort 2020-Feb-26 10:41:38 2020-Feb-26 10:41

Alternate Designations
 2011 WG104 = 2013 BC66 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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