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181267 (2005 WX16)
Classification: Main-belt Asteroid          SPK-ID: 2181267
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726517101998559 5.7686e-08  
a 3.093180189060871 3.5017e-08 au
q 2.559137339463198 1.9536e-07 au
i .526655295982507 5.9311e-06 deg
node 200.8994072574725 0.00048824 deg
peri 131.7340496201784 0.00048853 deg
M 30.77779070463993 1.5095e-05 deg
tp 2459226.620412368012
(2021-Jan-12.12041237)
8.2625e-05 TDB
period 1987.038385386637
5.44
3.3742e-05
9.238e-08
d
yr
n .1811741547861197 3.0765e-09 deg/d
Q 3.627223038658544 4.1063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      347  
   data-arc span      6703 days (18.35 yr)  
   first obs. used      2002-02-08  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5962  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:53  

Additional Information
 Earth MOID = 1.54806 au 
 Jupiter MOID = 1.74303 au 
 T_jup = 3.201 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456918.5 (2014-Sep-18.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736904587538297 5.7912e-08  
q 2.555994857781292 1.9647e-07 au
tp 2457245.442526813964
(2015-Aug-10.94252681)
8.1818e-05 TDB
node 201.096385012344 0.00048884 deg
peri 132.6863852603735 0.00048913 deg
i .5259389523652476 5.9327e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      347  
   data-arc span      6703 days (18.35 yr)  
   first obs. used      2002-02-08  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5962  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:53  

Additional Information
 Jupiter MOID = 1.74303 au 
 T_jup = 3.201 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.353759330192238E-15 -1.12905373583426E-14 1.812834854457534E-12 -2.077957941571951E-14 4.71832852797359E-13 -4.041858740806248E-16
q -1.12905373583426E-14 3.86005062069476E-14 -6.073658944746007E-12 7.318722992190509E-14 -1.60572382900819E-12 1.388663796890665E-15
tp 1.812834854457534E-12 -6.073658944746007E-12 6.694221282315884E-9 -2.16200609324912E-11 1.378247834886733E-9 -1.957715739113079E-13
node -2.077957941571951E-14 7.318722992190509E-14 -2.16200609324912E-11 2.389646880036461E-7 -2.389590120622033E-7 -6.062884922050703E-11
peri 4.71832852797359E-13 -1.60572382900819E-12 1.378247834886733E-9 -2.389590120622033E-7 2.392444996456088E-7 6.057875363740837E-11
i -4.041858740806248E-16 1.388663796890665E-15 -1.957715739113079E-13 -6.062884922050703E-11 6.057875363740837E-11 3.519701237384824E-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 16.08   n/a E2021B55  

181267 (2005 WX16)          Discovered 2005-Nov-22 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ 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
1909-Jun-16 23:05 00:06 Jupiter 1.86736506333313 1.86736340092647 1.86736672574637 2.01560086918681 1.77636205764926 2418474.461744662 5.72063786382615 246.184570413286 12.8260311916223 -87.9963409010276 1540720.32276162 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:54 2021-Apr-13 21:29
1919-May-29 05:36 00:05 Jupiter 1.7675893980398 1.76758855588907 1.76759024019034 2.03009745185877 1.77845517923341 2422107.733341060 5.16832382059986 111.046970722863 34.476174879979 -63.9216231395121 1259017.59922411 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:54 2021-Apr-13 21:29
1980-Feb-26 04:36 00:02 Jupiter 1.7924442013457 1.79244365171931 1.79244475097157 1.79610467932528 1.51026112559633 2444295.691780988 1.85215532516828 118.230840065554 33.8397120011053 -80.9938435595058 1933086.51443528 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:54 2021-Apr-13 21:29
1990-Feb-03 06:17 00:01 Jupiter 1.82990526408541 1.82990477473036 1.82990575344025 2.44080973915301 2.24316664462358 2447925.761766297 1.23632894032232 56.8846946269991 9.86078785193572 89.3896929461415 2015706.96954016 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:54 2021-Apr-13 21:29
2050-Nov-03 19:48 00:02 Jupiter 1.75444841311208 1.75444790395937 1.75444892226439 1.75130875167935 1.44965894298912 2470114.325181279 2.09407436765524 108.803855600483 37.3985422152578 88.9972626171411 2004906.60681672 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:54 2021-Apr-13 21:29
2060-Oct-13 14:43 00:03 Jupiter 1.92301521902554 1.92301401848432 1.92301641956654 3.02374178681337 2.87438388460526 2473746.113316526 2.67596634662703 71.2803493917677 26.0266515966641 -69.0619506861575 1297098.60292003 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:54 2021-Apr-13 21:29
2111-Jul-31 03:15 00:05 Jupiter 1.90929400302058 1.90929196188038 1.90929604416403 2.15200484267951 1.93490628086498 2492297.635653234 5.28190801228704 210.015859494921 5.64480822419914 -89.10280469138 1321535.81953775 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:54 2021-Apr-13 21:29
2121-Jul-13 08:37 00:06 Jupiter 1.76701805645149 1.76701745322003 1.76701865968676 1.90824058385577 1.63788870284362 2495932.859003156 6.03522149400748 203.141675126917 27.2174163010502 -74.0469439439449 2242644.19571953 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:54 2021-Apr-13 21:29
2182-Apr-10 14:31 00:09 Jupiter 1.83098068599944 1.83097822176826 1.83098315024851 1.87949574188354 1.61471124254104 2518119.104823756 9.22452729234703 384.558445849129 25.4060920586431 84.0735260429154 1432581.82116083 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:54 2021-Apr-13 21:29
2192-Mar-23 01:15 00:10 Jupiter 1.81791556114277 1.81791342939917 1.81791769288338 2.24244990706507 2.02403566184428 2521753.551741007 9.96738963300976 130.836456397747 20.5153818206591 -74.8942141406247 808491.099395432 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:54 2021-Apr-13 21:29

Alternate Designations
 2005 WX16 = 2004 PD66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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