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11825 (1982 UW1)
Classification: Main-belt Asteroid          SPK-ID: 2011825
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1761971203899964 3.6964e-08  
a 3.172394978519113 1.6852e-08 au
q 2.613428118564361 1.2116e-07 au
i 9.948880575459961 5.0262e-06 deg
node 197.6388562699571 2.0451e-05 deg
peri 140.54811646889 2.4748e-05 deg
M 267.4277658084351 1.5621e-05 deg
tp 2459531.210343573053
(2021-Nov-12.71034357)
9.1647e-05 TDB
period 2063.855597251081
5.65
1.6445e-05
4.502e-08
d
yr
n .1744308082791723 1.3899e-09 deg/d
Q 3.731361838473865 1.9821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2197  
   data-arc span      13862 days (37.95 yr)  
   first obs. used      1982-10-16  
   last obs. used      2020-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45507  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:57:02  

Additional Information
 Earth MOID = 1.6145 au 
 Jupiter MOID = 1.77915 au 
 T_jup = 3.154 
[ 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 12.3   n/a MPO473926  
diameter diameter 17.629 km 0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 16.6668 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.082   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

11825 (1982 UW1)          Discovered 1982-Oct-16 by Mrkos, A. at Klet
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

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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
1945-May-18 07:23 00:02 Jupiter 1.86864813229853 1.86864750387744 1.86864876072154 3.02619210950013 2.87250358996775 2431593.807609799 1.90771894467608 152.739466924882 18.1967857613655 -85.7847938650693 2360240.44688144 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 02:57:06 2020-Nov-13 02:57
1956-May-14 18:55 00:02 Jupiter 1.82712337122108 1.82712288226276 1.82712386017928 2.3152291757003 2.10549781082796 2435608.288149376 1.61528602886987 102.169101040263 23.6405350462818 79.8106671560795 1987326.04407356 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 02:57:06 2020-Nov-13 02:57
1967-Apr-13 08:50 00:01 Jupiter 1.86373323118588 1.8637326531129 1.86373380925898 1.90054481271686 1.64411619338535 2439593.867832994 1.33140341963946 58.236213399072 21.939111806876 68.9034069122158 2847270.73693994 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 02:57:06 2020-Nov-13 02:57
1978-Feb-20 19:12 < 00:01 Jupiter 1.9363173176451 1.93631676124456 1.93631787404564 2.84094577374155 2.68255345245726 2443560.299781418 0.938393753273677 62.0413425571615 16.3107464838042 79.6193699109511 1893090.4274514 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 02:57:06 2020-Nov-13 02:57
2076-Jul-28 11:54 00:01 Jupiter 1.93240818170336 1.93240762025064 1.93240874315696 3.47345723535538 3.34488497213092 2479512.996005534 1.46152607006135 114.834857126283 19.338561274817 -82.9439209771328 2879745.30329537 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 02:57:06 2020-Nov-13 02:57
2087-Aug-05 01:53 00:02 Jupiter 1.827156260531 1.82715579360357 1.82715672745874 2.91692639439403 2.75341808937986 2483537.578408001 1.8372767666655 146.52286523982 17.98414371271 89.5535562463198 2344085.68132454 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 02:57:06 2020-Nov-13 02:57
2098-Jul-31 20:52 00:02 Jupiter 1.82551898461101 1.82551846300099 1.82551950622196 2.30748241006728 2.09678208554183 2487551.369551410 2.39745494256366 131.912626334238 26.1510892122133 73.9912217687116 1988373.84125025 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 02:57:06 2020-Nov-13 02:57
2109-Jun-24 08:57 00:03 Jupiter 1.90097242905061 1.90097173686013 1.90097312124142 2.0930160515672 1.86803898164619 2491530.872845605 3.07308479184576 70.467404640904 18.9288063493572 77.3509526826604 2717695.20083613 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 02:57:06 2020-Nov-13 02:57
2120-Apr-30 22:26 00:03 Jupiter 1.99964373677143 1.99964306125085 1.99964441229189 3.24316391831702 3.10981330257858 2495494.434705281 3.41468560363963 83.3506618766362 18.2661323346895 83.3500374631111 1210256.89300747 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 02:57:06 2020-Nov-13 02:57

Alternate Designations
 1982 UW1 = 1976 SQ8 = 1988 VW3 = 1998 MW11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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