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JPL Small-Body Database Browser
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351569 (2005 UU221)
Classification: Main-belt Asteroid          SPK-ID: 2351569
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04285637553227185 6.1431e-08  
a 3.165325377999469 6.1363e-08 au
q 3.029671004918093 2.1796e-07 au
i 8.211556506419347 7.0977e-06 deg
node 237.3363853550599 4.3115e-05 deg
peri 31.76355427581841 9.3533e-05 deg
M 268.143247483527 7.9005e-05 deg
tp 2459125.349216347499
(2020-Oct-02.84921635)
0.00044754 TDB
period 2056.960568589833
5.63
5.9814e-05
1.638e-07
d
yr
n .1750155085601865 5.0893e-09 deg/d
Q 3.300979751080845 6.3993e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      5337 days (14.61 yr)  
   first obs. used      2004-08-25  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48051  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:30:44  

Additional Information
 Earth MOID = 2.0172 au 
 Jupiter MOID = 1.73916 au 
 T_jup = 3.186 
[ 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 15.5   n/a MPO434219  

351569 (2005 UU221)          Discovered 2005-Oct-25 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

[ 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
1903-Jul-23 17:07 00:10 Jupiter 1.9380486218938 1.93804601602159 1.9380512278103 3.21974253677811 3.08101341927824 2416319.213372162 10.061273396933 503.540456629103 22.9122738771403 -77.4056115570056 2272127.82220224 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 05:30:47 2019-Jul-14 05:30
1989-Aug-02 18:19 00:02 Jupiter 1.85932399416703 1.8593230227443 1.85932496559081 3.71146352548458 3.58662145556755 2447741.263243580 2.17386274835562 125.068243764824 37.1880128446338 76.4397627988922 2464652.54141006 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 05:30:47 2019-Jul-14 05:30
2000-Apr-25 22:17 00:01 Jupiter 1.74106904511439 1.74106842400759 1.74106966622118 3.53592718174036 3.39555440770812 2451660.428703054 1.22569205249068 104.183280543423 26.3658949009919 88.2540000813097 2109071.31336456 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 05:30:47 2019-Jul-14 05:30
2011-Jan-01 18:47 < 00:01 Jupiter 1.84245683440819 1.84245608142666 1.84245758738962 3.23305344253006 3.08758572287163 2455563.282309215 0.410122931283593 63.8314977221667 28.2505399227504 -77.1916214624462 2035202.17256011 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 05:30:47 2019-Jul-14 05:30
2096-Dec-22 18:49 00:07 Jupiter 1.99145613570332 1.99145301751055 1.99145925389585 3.67650668995937 3.55893874333593 2486965.284019114 6.89346807060072 152.425439762579 97.2236415378358 4.15551502648488 1376410.28143323 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 05:30:47 2019-Jul-14 05:30
2107-Sep-12 21:39 00:08 Jupiter 1.77684432184349 1.77684265959669 1.77684598413331 3.64316203132075 3.5098758745764 2490880.402249298 7.71284337256315 486.976885236746 28.7685849970193 81.2401404027707 2241129.8239589 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 05:30:47 2019-Jul-14 05:30
2118-Jun-01 23:55 00:09 Jupiter 1.76902692136514 1.76902493287748 1.76902890991897 3.44822810020515 3.30645776969887 2494795.496509053 9.00305753207911 587.57180821302 25.5046216430594 -79.9936680561573 2118490.0632065 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 05:30:47 2019-Jul-14 05:30
2129-Jan-27 01:27 00:10 Jupiter 1.94116652981446 1.9411627800439 1.94117027963003 3.36066607084049 3.22821655188336 2498687.560129549 10.4697775824614 517.36840130387 21.9032180265219 -71.0557279272076 2315967.06375267 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 05:30:47 2019-Jul-14 05:30

Alternate Designations
 2005 UU221 = 2011 UQ160 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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