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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1518710012904942 5.3071e-08  
a 2.999849258633883 2.9161e-08 au
q 2.544259148004608 1.7531e-07 au
i 1.58205694607928 4.0845e-06 deg
node 128.0310069455058 0.00024241 deg
peri 190.1744650386489 0.00024346 deg
M 3.381263374983104 2.1707e-05 deg
tp 2459378.675224255750
(2021-Jun-13.17522426)
0.00011444 TDB
period 1897.787470626141
5.20
2.7672e-05
7.576e-08
d
yr
n .1896945814913745 2.7659e-09 deg/d
Q 3.455439369263157 3.3589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      7149 days (19.57 yr)  
   first obs. used      2001-11-21  
   last obs. used      2021-06-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60013  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 15:21:41  

Additional Information
 Earth MOID = 1.53038 au 
 Jupiter MOID = 1.84057 au 
 T_jup = 3.235 
[ 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 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 00:03 00:04 Jupiter 1.86645616143276 1.86645547496573 1.86645684790181 2.08721911759694 1.85710989770587 2422287.502355001 4.14853824732051 155.108661296533 14.8001580019683 -80.948566864066 2610043.53313745 T 16 CATAB v2.0g-lin.ifort 2021-Jul-09 15:21:42 2021-Jul-09 15:21
1966-Jan-10 00:18 00:02 Jupiter 1.86844142465897 1.86844088539538 1.86844196392224 2.46598503149771 2.27473516644685 2439135.512362398 2.10430001947612 51.583687181825 9.68712473391254 86.6606455954601 1734823.87596493 T 16 CATAB v2.0g-lin.ifort 2021-Jul-09 15:21:42 2021-Jul-09 15:21
2003-Mar-08 10:04 < 00:01 Jupiter 1.88911875308829 1.88911830233651 1.88911920383985 2.12480430958454 1.90211858618242 2452706.919143334 0.56307477620351 71.7829062706349 9.1356961037528 -88.6488488494914 2304822.91586779 T 16 CATAB v2.0g-lin.ifort 2021-Jul-09 15:21:42 2021-Jul-09 15:21
2049-Apr-23 12:03 00:02 Jupiter 1.85463566650117 1.85463516631142 1.85463616669071 2.34265120757252 2.13883226616441 2469555.001867635 1.61799038932202 55.9004817569019 3.68441427408046 88.1080036391402 2142478.99510971 T 16 CATAB v2.0g-lin.ifort 2021-Jul-09 15:21:42 2021-Jul-09 15:21
2086-Jun-20 01:47 00:03 Jupiter 1.91648249744055 1.91648141725835 1.91648357762438 2.18102931227919 1.96798230389208 2483126.574409193 3.16928691887824 142.577127801022 6.51407574878526 -85.539259781221 1925766.80579824 T 16 CATAB v2.0g-lin.ifort 2021-Jul-09 15:21:42 2021-Jul-09 15:21
2132-Aug-07 14:37 00:05 Jupiter 1.85350853360667 1.85350797803796 1.85350908917528 2.26030026412741 2.04816762351712 2499976.108697605 5.26570834178324 81.622244345825 18.0003388609393 -80.5286564616867 1587225.67071163 T 16 CATAB v2.0g-lin.ifort 2021-Jul-09 15:21:42 2021-Jul-09 15:21
2169-Oct-02 00:35 00:07 Jupiter 1.93888125224907 1.93887912584438 1.93888337866589 2.23361554953783 2.028624037645 2513545.524204009 6.78230953970447 296.457303494195 7.43375033733038 -83.3011517553352 1896572.89235055 T 16 CATAB v2.0g-lin.ifort 2021-Jul-09 15:21:42 2021-Jul-09 15:21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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