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JPL Small-Body Database Browser
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312838 (2011 UL17)
Classification: Outer Main-belt Asteroid          SPK-ID: 2312838
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1135766253390487 6.1909e-08  
a 3.232571705217186 4.5549e-08 au
q 2.865427119772124 2.0039e-07 au
i 5.17665142878426 8.4747e-06 deg
node 35.64434985542137 7.6646e-05 deg
peri 74.44365708480466 8.7282e-05 deg
M 54.49421219433187 3.9026e-05 deg
tp 2458279.157213409264
(2018-Jun-09.65721341)
0.0002299 TDB
period 2122.856694581181
5.81
4.4869e-05
1.228e-07
d
yr
n .1695828083539216 3.5843e-09 deg/d
Q 3.599716290662248 5.0723e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      8467 days (23.18 yr)  
   first obs. used      1996-03-23  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62506  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:26  

Additional Information
 Earth MOID = 1.88802 au 
 Jupiter MOID = 1.53895 au 
 T_jup = 3.169 
[ 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 15.8   n/a MPO434005  

312838 (2011 UL17)          Discovered 2002-Apr-08 by NEAT at Palomar
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ 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
1999-Dec-06 22:00 00:01 Jupiter 1.88777770810816 1.88777666307162 1.88777875314448 3.71922197266256 3.59655902375462 2451519.416859294 1.05572089234978 89.9891177687499 41.5043496124516 -81.1499601203975 1508038.09310898 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 06:02:28 2019-Sep-24 06:02
2011-Mar-19 10:53 < 00:01 Jupiter 1.72614745698728 1.72614648083634 1.72614843313802 3.0316526794813 2.8652252441299 2455639.953233090 0.534918653687758 119.671690305474 30.3084099364247 -82.539061310257 1324030.14956961 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 06:02:28 2019-Sep-24 06:02
2022-Jul-30 05:24 < 00:01 Jupiter 1.61728535042754 1.61728442050845 1.61728628034625 2.53423995738627 2.3183852375615 2459790.724781365 0.819626087086985 138.100653631005 21.9344061464045 -83.6119201847128 1170924.21230994 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 06:02:28 2019-Sep-24 06:02
2034-Jan-09 13:36 00:02 Jupiter 1.56035596535924 1.56035513218742 1.56035679853036 2.21129496063458 1.95042221939696 2463972.066386297 1.67145805484429 148.852938863187 33.0285040214191 -84.2492277929556 1098434.61626669 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 06:02:28 2019-Sep-24 06:02
2045-Jul-12 11:33 00:03 Jupiter 1.54743760520365 1.54743688208624 1.54743832832063 2.02214886264583 1.73041727994009 2468173.981043056 2.76962627316437 171.514383658167 56.9109007508558 -79.9853504989284 1165030.52103454 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 06:02:28 2019-Sep-24 06:02
2057-Jan-21 12:54 00:04 Jupiter 1.56363597195222 1.56363499582266 1.56363694808481 1.92886182321475 1.62391710667572 2472385.037714608 4.17595511087927 214.269900051045 66.2356644435042 -75.2118230906665 1422119.29210693 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 06:02:28 2019-Sep-24 06:02
2068-Jul-27 04:55 00:06 Jupiter 1.60727740583542 1.60727553964341 1.60727927203455 1.93140414818963 1.6359516368854 2476589.705159969 5.94636113276124 251.99682100461 54.1390026952191 -77.8011737734545 1655358.78507627 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 06:02:28 2019-Sep-24 06:02
2080-Jan-13 05:29 00:08 Jupiter 1.69021015759648 1.69020696652003 1.69021334867504 2.0930584958498 1.83810364043103 2480776.728179169 7.98034964407297 231.356460242968 43.5748193620272 -78.1562261509782 1175773.37776025 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 06:02:28 2019-Sep-24 06:02
2091-Jun-06 17:57 00:10 Jupiter 1.81261352989022 1.81260894977477 1.81261810999939 2.46927682324951 2.27216659491461 2484939.247905302 9.98983939320858 185.230410179683 65.9563594479772 -55.6915138467895 613621.985717229 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 06:02:28 2019-Sep-24 06:02
2102-Oct-07 21:11 00:12 Jupiter 1.96739246282522 1.9673869032733 1.96739802236965 3.06009168435249 2.91600755496919 2489079.382939796 11.6251204526756 206.089622829176 78.206098265453 -15.29397992202 344038.325510588 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 06:02:28 2019-Sep-24 06:02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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