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181552 (2006 UK266)
Classification: Main-belt Asteroid          SPK-ID: 2181552
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1518710197693161 4.7965e-08  
a 2.999849245521815 2.4298e-08 au
q 2.544259081450204 1.5505e-07 au
i 1.582056925640647 4.075e-06 deg
node 128.0310142508522 0.00019806 deg
peri 190.1744537954163 0.00019934 deg
M 3.381270928485548 1.9604e-05 deg
tp 2459378.675184553332
(2021-Jun-13.17518455)
0.00010342 TDB
period 1897.787458183557
5.20
2.3058e-05
6.313e-08
d
yr
n .1896945827350811 2.3047e-09 deg/d
Q 3.455439409593426 2.7988e-08 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      7200 days (19.71 yr)  
   first obs. used      2001-11-21  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57856  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 03:10:16  

Additional Information
 Earth MOID = 1.53038 au 
 Jupiter MOID = 1.84057 au 
 T_jup = 3.235 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457928.5 (2017-Jun-24.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .150288137762473 4.8357e-08  
q 2.54765892746219 1.5585e-07 au
tp 2457485.749517771697
(2016-Apr-07.24951777)
0.00011402 TDB
node 128.0399441414255 0.00019824 deg
peri 190.6785256669448 0.00019953 deg
i 1.581147451652308 4.0723e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      7200 days (19.71 yr)  
   first obs. used      2001-11-21  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57856  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 03:10:16  

Additional Information
 Jupiter MOID = 1.84057 au 
 T_jup = 3.235 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.338417465462005E-15 -7.486242018929249E-15 3.195371554224184E-12 1.749075899444789E-15 6.987239478864408E-13 2.412874767957588E-16
q -7.486242018929249E-15 2.428946251988345E-14 -1.078279707395444E-11 -4.219978301980442E-15 -2.329625321143423E-12 -6.983156629918706E-16
tp 3.195371554224184E-12 -1.078279707395444E-11 1.300066746739675E-8 3.308916686270303E-11 2.630204316186363E-9 1.680479611242879E-12
node 1.749075899444789E-15 -4.219978301980442E-15 3.308916686270303E-11 3.929916291019893E-8 -3.927692225976059E-8 1.734640937602248E-10
peri 6.987239478864408E-13 -2.329625321143423E-12 2.630204316186363E-9 -3.927692225976059E-8 3.981333207598869E-8 -1.730453863385742E-10
i 2.412874767957588E-16 -6.983156629918706E-16 1.680479611242879E-12 1.734640937602248E-10 -1.730453863385742E-10 1.658353735956141E-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 15.90   n/a E2021B55  

181552 (2006 UK266)          Discovered 2006-Oct-27 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
1919-Nov-25 00:04 00:03 Jupiter 1.86645622160014 1.86645557164138 1.86645687156028 2.08721899793907 1.85710977109894 2422287.502789211 3.47388937746229 127.410190343764 12.2376829689366 -81.2407794139355 2696538.51571678 T 17 CATAB v2.0g-lin.ifort 2021-Aug-25 03:10:17 2021-Aug-25 03:10
1966-Jan-10 00:18 00:02 Jupiter 1.86844133380025 1.86844091324294 1.86844175435744 2.46598432659782 2.27473439259093 2439135.512576840 1.78326846669893 47.8920833922943 9.62810142868008 86.6147717969369 2367125.19779303 T 17 CATAB v2.0g-lin.ifort 2021-Aug-25 03:10:17 2021-Aug-25 03:10
2003-Mar-08 10:04 < 00:01 Jupiter 1.88911872486577 1.88911828685886 1.88911916287257 2.12480408043671 1.90211832668613 2452706.919196596 0.49741663008102 58.8012709582473 7.27546212501321 -88.8444369036618 2460885.72944135 T 17 CATAB v2.0g-lin.ifort 2021-Aug-25 03:10:17 2021-Aug-25 03:10
2049-Apr-23 12:02 00:01 Jupiter 1.85463565042994 1.85463515447539 1.85463614638428 2.34265117644527 2.13883223022056 2469555.001700209 1.34967047249916 50.4880181572866 2.95958397014133 88.1053617919281 2146065.84727069 T 17 CATAB v2.0g-lin.ifort 2021-Aug-25 03:10:17 2021-Aug-25 03:10
2086-Jun-20 01:47 00:03 Jupiter 1.91648234364594 1.91648142467247 1.9164832626206 2.18102877232818 1.96798168746571 2483126.574081222 2.65592038997024 121.305063712361 5.52115540447557 -85.2620741788972 2125158.44192438 T 17 CATAB v2.0g-lin.ifort 2021-Aug-25 03:10:17 2021-Aug-25 03:10
2132-Aug-07 14:36 00:04 Jupiter 1.85350854183918 1.85350798737327 1.85350909630499 2.26030062311405 2.04816802067568 2499976.108155163 4.39403354864059 70.2208058616633 15.0977179920957 -81.1819236164216 1656779.30675962 T 17 CATAB v2.0g-lin.ifort 2021-Aug-25 03:10:17 2021-Aug-25 03:10
2169-Oct-02 00:34 00:06 Jupiter 1.93888094031928 1.93887914819146 1.93888273245558 2.23361451758312 2.0286228667661 2513545.523494767 5.67531259224786 250.469221120238 6.10609591288623 -83.2205378811335 2048390.07073357 T 17 CATAB v2.0g-lin.ifort 2021-Aug-25 03:10:17 2021-Aug-25 03:10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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