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(2008 QS11)
Classification: Apollo [NEO, PHA]          SPK-ID: 3426408
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 54 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4827387809378731 3.7895e-08  
a 1.860691305714369 1.2831e-08 au
q .962463453092115 6.9235e-08 au
i 12.48726094952476 8.386e-06 deg
node 11.53132670146537 4.1634e-06 deg
peri 30.71378785896375 2.0484e-05 deg
M 203.4913107182204 1.9122e-05 deg
tp 2459403.537886709729
(2021-Jul-08.03788671)
5.3263e-05 TDB
period 927.0644325330379
2.54
9.5897e-06
2.626e-08
d
yr
n .3883225236204611 4.0169e-09 deg/d
Q 2.758919158336623 1.9026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   # delay obs. used      4  
   # Doppler obs. used      3  
   data-arc span      2016 days (5.52 yr)  
   first obs. used      2008-08-27  
   last obs. used      2014-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .30015  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:03:04  

Additional Information
 Earth MOID = .00733831 au 
 Jupiter MOID = 2.71469 au 
 T_jup = 3.819 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.9   n/a E2013Q40  
diameter diameter 0.453 km 0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 46.65 h n/a LCDB (Rev. 2019-August); 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:
[Skiff, B.A.; Bowell, E.; Koehn, B.W.; Sanborn, J.J.; McLelland, K.P.; Warner, B.D. (2012) Minor Planet Bull. 39, 111-130.]
geometric albedo albedo 0.094   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

[ 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
1901-Oct-18 10:05 00:01 Earth 0.0685684506531388 0.0685646467889283 0.0685722545565638 9.68068745277671 9.67667257907178 2415675.920407703 1.15034669447366 206.620915482409 11.0029763353519 -23.3904942933474 358608.965752368 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
1924-Aug-31 10:50 < 00:01 Earth 0.424179573656778 0.424177279572834 0.424181867741059 21.2487829180549 21.2484872995837 2424028.951693766 0.141130678970451 115.98364956259 4.09743384782055 9.49951297807102 2495690.10880631 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
1929-Oct-29 01:49 < 00:01 Earth 0.111370947027374 0.111369652535837 0.111372241544323 9.6150594207855 9.61257088049456 2425913.576041426 0.447991073416672 108.453285233567 17.4581437177489 -54.5093267538191 692863.299975947 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
1952-Sep-08 18:19 < 00:01 Earth 0.289965815495942 0.28996383768806 0.28996779330417 17.6180550521028 17.6175334804 2434264.263135632 0.146782205652234 99.864593002874 4.2549045956426 9.05299321072849 1571081.684806 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
1957-Nov-28 22:45 < 00:01 Earth 0.210221016566269 0.210219218250013 0.210222814934111 11.2636581422953 11.2625328160205 2436171.448206502 0.487594979119116 191.142573088141 20.7353995721087 -62.6715399311115 1120902.4824101 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
1980-Sep-22 22:38 < 00:01 Earth 0.110161571700431 0.110156368218932 0.110166775183245 12.8860035187011 12.8841263832092 2444505.443271186 0.663160012939194 260.168399815999 4.27458441913452 4.22332423892969 272885.307491008 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
1985-Dec-21 15:25 < 00:01 Earth 0.345644450360973 0.345640625501575 0.345648275258919 16.2387235618576 16.2382488421867 2446421.142673494 0.342419639932996 264.540278442766 22.3925098980896 -44.0646988080991 1403879.41362391 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
2008-Oct-02 02:43 < 00:01 Earth 0.027682308391455 0.027682304985759 0.0276823117971556 11.0118779305715 11.0031337094692 2454741.613462433 0.00386010072157997 3.43187199788552 0.167567079295568 -89.455653714532 6727561.47687681 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
2013-Dec-21 00:12 < 00:01 Earth 0.333711814027984 0.333710843282297 0.333712784775265 15.7685816014722 15.7680752464543 2456647.508247345 0.109699592088075 63.6801880404661 23.2710691738506 -44.2707115946197 1390420.0041944 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
2036-Aug-29 03:53 < 00:01 Earth 0.475138155914081 0.475132756562096 0.475143555267713 22.7452993380983 22.7450527891547 2464934.661805183 0.295339340191009 272.819084134817 4.23786649297159 9.29102825288868 2594051.69404776 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
2041-Oct-04 19:53 00:01 Earth 0.00936059227792322 0.00935642708256932 0.00936475918554664 10.7044530965409 10.6778283807136 2466797.328796025 1.18778813118984 288.305938278576 2.95801343286038 -43.9075284831247 319864.002562963 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
2046-Nov-23 10:27 < 00:01 Earth 0.187200494727923 0.1871988155264 0.187202173975309 10.3999933817702 10.3986247050513 2468672.935296227 0.718668974519591 174.702917770363 25.3627443036879 -62.5087515469942 808597.995910995 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
2051-Dec-28 00:05 < 00:01 Earth 0.390435912239591 0.390431576116624 0.390440248392986 17.8053752664864 17.8049919864998 2470533.503529025 0.206455915391801 276.784349913085 22.271604351401 -38.7799795826337 1446594.40489558 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
2089-Aug-29 21:51 00:02 Earth 0.471939727707964 0.471905210141944 0.47197424534258 22.7523231310533 22.7520749878179 2484293.410703122 1.80858620928782 1744.47559700136 6.5171994563965 9.36341677398806 1667071.85917178 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
2094-Sep-16 02:42 00:03 Earth 0.204575161380625 0.20453711681335 0.204613206032266 15.3969681256121 15.396122192209 2486136.612277258 3.43430307213357 1908.40933527336 6.44020578268411 6.25057309127792 480798.01738116 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
2099-Oct-12 18:30 00:09 Earth 0.0405730583215922 0.0405402105486265 0.0406059061495842 9.91777284825373 9.91114907427908 2487989.270752137 8.59209654389963 1639.68197655498 3.97900747061532 2.50898208233193 67511.8469493378 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
2104-Dec-14 14:26 00:01 Earth 0.263732142411921 0.263727908577602 0.263736376377206 13.0778360153909 13.0770634660357 2489878.101174451 1.00398755222897 362.456192149336 21.6192008294078 -54.5209312792968 1210259.35171753 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
2142-Sep-13 03:27 00:26 Earth 0.264144439674193 0.263814136720578 0.264474748340938 17.0570803884388 17.0564889987934 2503664.643933399 25.7057714363665 16584.5410701264 6.58453074771683 6.72045153115303 653186.055935634 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
2147-Oct-13 01:15 01:18 Earth 0.0371964927394893 0.0368964890690574 0.0374965257864054 9.99146169086372 9.98428974116341 2505520.551772011 77.5657091862411 15051.3032221636 3.45536875228409 6.24825985695563 183789.962853354 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
2152-Dec-21 12:01 00:10 Earth 0.304623380114027 0.30453144762693 0.304715347112604 14.7085697821256 14.7079750964764 2507417.000700031 10.0977104181983 6867.83411351912 21.8235265486832 -48.1190822148026 1317854.06817324 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
2185-Sep-21 09:10 05:14 Earth 0.152193775653652 0.149216135827956 0.155171590665845 14.0815917255567 14.0803484056411 2519378.882190411 313.81531499209 148710.326447117 6.25464452009142 3.18378206015515 186074.045612791 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
2190-Nov-16 04:39 13:07 Earth 0.161229098821116 0.159436787511582 0.163135558871621 9.74028093819175 9.73858412013578 2521260.693515336 786.802160154743 232990.863067969 20.677768200683 -66.6775381167605 906248.902983857 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
2196-Jan-04 22:18 02:37 Earth 0.441159762933136 0.43857372174244 0.44375350764263 19.7549628585832 19.7546571246769 2523136.428910035 156.768193048107 158524.304782836 21.7594205473233 -35.4446664974687 1557656.72353427 T 54 CATAB v2.0e-lin.ifort 2017-Nov-28 10:53:09 2018-Dec-11 15:12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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