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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03351875765644124 6.4378e-08  
a 3.051385619775222 5.9573e-08 au
q 2.949106964669626 1.9689e-07 au
i 7.367395927500721 7.3542e-06 deg
node 334.5845790492837 5.3792e-05 deg
peri 82.04299097168666 0.00012759 deg
M 217.7967768687444 0.00011873 deg
tp 2459769.543682680127
(2022-Jul-09.04368268)		 0.00065148 TDB
period 1946.901903266313
5.33		 5.7015e-05
1.561e-07		 d
yr
n .1849091622931945 5.4151e-09 deg/d
Q 3.153664274880817 6.157e-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 = 1.97145 au 
 Jupiter MOID = 1.97006 au 
 T_jup = 3.223 
[ 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 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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