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541661 (2011 UE275)
Classification: Main-belt Asteroid          SPK-ID: 2541661
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09873745511759352 1.189e-07  
a 3.049024500003227 6.1917e-08 au
q 2.747971580281715 3.4479e-07 au
i 2.81276392094449 1.266e-05 deg
node 350.1903413116341 0.00021584 deg
peri 90.00933646670809 0.00022885 deg
M 264.7914573817292 7.7774e-05 deg
tp 2459910.796080565920
(2022-Nov-27.29608057)
0.00042605 TDB
period 1944.642612019156
5.32
5.9235e-05
1.622e-07
d
yr
n .1851239902771676 5.639e-09 deg/d
Q 3.350077419724738 6.8031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      6819 days (18.67 yr)  
   first obs. used      2000-09-24  
   last obs. used      2019-05-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .69529  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:01  

Additional Information
 Earth MOID = 1.76543 au 
 Jupiter MOID = 1.85531 au 
 T_jup = 3.228 
[ 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 16.8   .47647 MPO504445 autocmod 2.8

541661 (2011 UE275)          Discovered 2000-Sep-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

[ 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
1915-Jun-26 16:16 00:08 Jupiter 1.96261934068818 1.96261659204995 1.96262208934169 3.62039933081767 3.49916220670943 2420675.177627615 7.91664223165621 359.931846850921 58.9733140315691 75.6687928491935 1074899.01653588 T 6 CATAB v2.0g-lin.ifort 2021-Apr-14 20:24:01 2021-Apr-14 20:24
1924-Nov-28 18:20 00:07 Jupiter 1.92636293394188 1.92636156660718 1.9263643012769 2.59288868295487 2.41736860351295 2424118.264209287 7.48234038665511 140.905403082009 46.4902523733802 72.3123342449193 1369007.37298234 T 6 CATAB v2.0g-lin.ifort 2021-Apr-14 20:24:01 2021-Apr-14 20:24
1972-Dec-26 06:39 00:04 Jupiter 1.87081833611764 1.87081756799293 1.87081910424235 2.62015907175703 2.44125447162353 2441677.776910761 3.49949674472264 149.506884382138 19.2656780287366 84.3562473366008 1302850.39351964 T 6 CATAB v2.0g-lin.ifort 2021-Apr-14 20:24:01 2021-Apr-14 20:24
2021-Jan-21 18:03 < 00:01 Jupiter 1.85477928075063 1.8547783427356 1.85478021876533 2.7998581738428 2.63170387788305 2459236.251813513 0.998209237541622 143.649068688864 28.2623950657758 88.7065222458818 1423811.52431866 T 6 CATAB v2.0g-lin.ifort 2021-Apr-14 20:24:01 2021-Apr-14 20:24
2069-Feb-16 04:19 00:05 Jupiter 1.87958935827233 1.87958826199372 1.87959045455115 3.10271808657494 2.95390840794969 2476793.679904574 4.71714725829017 209.854778346921 37.0533505760215 89.5217666043161 1304133.87752732 T 6 CATAB v2.0g-lin.ifort 2021-Apr-14 20:24:01 2021-Apr-14 20:24
2117-Mar-13 11:26 00:09 Jupiter 1.9445051664561 1.94450295090253 1.94450738202824 3.51353113547331 3.38728580012757 2494349.976681558 8.57879402456734 407.153635732632 54.2318323600151 81.0443679679298 1133479.35594639 T 6 CATAB v2.0g-lin.ifort 2021-Apr-14 20:24:01 2021-Apr-14 20:24
2126-Aug-15 07:25 00:09 Jupiter 1.92322055844274 1.92321761156492 1.92322350531957 2.61471314147895 2.44046864162466 2497791.808947516 9.41183974210903 163.759513365505 83.778695507184 57.5168679220148 781189.129311881 T 6 CATAB v2.0g-lin.ifort 2021-Apr-14 20:24:01 2021-Apr-14 20:24
2174-Sep-11 23:59 00:13 Jupiter 1.86741511886704 1.86741275353784 1.86741748419624 2.62790741780995 2.44923192233794 2515351.499641480 13.4575848564069 152.57484489277 116.677241437682 -80.5458527367895 1565083.70102946 T 6 CATAB v2.0g-lin.ifort 2021-Apr-14 20:24:01 2021-Apr-14 20:24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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