"Pseudo-MPEC" for YS16534

Created 2017 Sep 18 13:51:18 UT using Find_Orb

Almost certainly the same object as YS18A5C. Here's a linked orbit.

Astrometry:
     YS16534  C2017 09 17.26883 22 52 40.91 -14 55 05.2          17.4 VqNEOCP703
     YS16534  C2017 09 17.26898 22 52 41.52 -14 54 59.3          17.7 VqNEOCP703
     YS16534  C2017 09 17.26913 22 52 42.13 -14 54 53.3          17.8 VqNEOCP703
     YS16534  C2017 09 17.26927 22 52 42.73 -14 54 47.8          17.6 VqNEOCP703
     YS16534  C2017 09 17.27324 22 52 58.62 -14 52 13.0          17.6 VqNEOCP703
     YS16534  C2017 09 17.27392 22 53 01.37 -14 51 46.3          17.7 VqNEOCP703
     YS16534  C2017 09 17.27511 22 53 06.09 -14 50 59.8          17.4 VqNEOCP703
     YS16534  C2017 09 17.27587 22 53 09.16 -14 50 30.0          17.4 VqNEOCP703
     YS16534  C2017 09 17.30610 22 55 08.71 -14 30 23.1          17.0 VqNEOCP703
     YS16534  C2017 09 17.30729 22 55 13.36 -14 29 35.2          17.9 VqNEOCP703
     YS16534  C2017 09 17.30988 22 55 23.55 -14 27 49.9          17.8 VqNEOCP703

Station data:
(703) Catalina Sky Survey  (N32.417003 W110.732640)  US/Arizona.  Observers
   E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
   R. A. Kowalski, S. M. Larson, F. C. Shelly. 0.68 m Schmidt + CCD.

Orbital elements:  YS16534
   Perigee 2017 Sep 16.595607 +/- 0.246 TT = 14:17:40 (JD 2458013.095607)
Epoch 2017 Sep 17.0 TT = JDT 2458013.5                        Gray
M  67.33609 +/- 6                   (J2000 equator)
n 166.51172146 +/- 87.2             Peri.  152.71235 +/- 21
a 70627.4672 +/- 21456              Node    20.55506 +/- 14
e   0.8337171 +/- 0.076             Incl.   20.23762 +/- 1.8
P3113.24m/2.162d           H 32.3   G  0.15   U 15.7
q 11744.1336 +/- 9546    Q 129510.800 +/- 39244
From 11 observations 2017 Sept. 17 (59.1 min); mean residual 0".217
Residuals in arcseconds: 
170917 703 .204- .015-    170917 703 .183- .011-    170917 703 .452+ .274+
170917 703 .116- .042+    170917 703 .219+ .059+    170917 703 .085- .083-
170917 703 .027- .199+    170917 703 .345- .093-    170917 703 .296- 1.2m-
170917 703 .502+ .244+    170917 703 .146+ .121-

Ephemerides (geocentric):
Date (UTC) HH   RA              Dec         delta   r     elong  mag  '/hr    PA   " sig PA
---- -- -- --  ------------   ------------  ------ ------ -----  --- ------ ------ ---- ---
2017 09 17 00  22 08 06.098   -15 26 35.36    92514 1.0057 154.2 17.5  134.0  76.8  216' 102
2017 09 17 01  22 16 38.831   -14 56 50.13    97343 1.0057 156.2 17.5  121.0  76.2  8927 109
2017 09 17 02  22 24 22.983   -14 28 44.88   101747 1.0058 158.0 17.6  110.8  75.7  6411 118
2017 09 17 03  22 31 28.476   -14 02 03.44   105758 1.0058 159.7 17.6  102.5  75.3  4792 128
2017 09 17 04  22 38 02.722   -13 36 32.32   109400 1.0058 161.2 17.6  95.82  74.9  3744 141
2017 09 17 05  22 44 11.405   -13 12 00.21   112695 1.0058 162.6 17.6  90.29  74.5  3087 155
2017 09 17 06  22 49 58.986   -12 48 17.47   115662 1.0058 163.9 17.6  85.72  74.2  2721 171
2017 09 17 07  22 55 29.040   -12 25 15.82   118314 1.0058 165.1 17.6  81.91  73.9  2593   8
2017 09 17 08  23 00 44.488   -12 02 48.02   120665 1.0059 166.3 17.7  78.75  73.6  2669  23
2017 09 17 09  23 05 47.761   -11 40 47.68   122724 1.0059 167.4 17.6  76.13  73.4  2926  37
2017 09 17 10  23 10 40.915   -11 19 09.05   124500 1.0059 168.4 17.6  73.97  73.1  3347  48
2017 09 17 11  23 15 25.723   -10 57 46.86   126001 1.0059 169.3 17.6  72.21  72.9  3926  56
2017 09 17 12  23 20 03.740   -10 36 36.23   127233 1.0059 170.2 17.6  70.82  72.7  4667  62
2017 09 17 13  23 24 36.354   -10 15 32.52   128199 1.0059 171.0 17.6  69.75  72.5  5588  67
2017 09 17 14  23 29 04.828   -09 54 31.29   128904 1.0059 171.7 17.6  68.99  72.3  6719  70
2017 09 17 15  23 33 30.332   -09 33 28.15   129350 1.0059 172.4 17.6  68.51  72.1  8105  73
2017 09 17 16  23 37 53.977   -09 12 18.73   129539 1.0058 172.9 17.5  68.31  71.9  9805  74
2017 09 17 17  23 42 16.834   -08 50 58.58   129472 1.0058 173.2 17.5  68.37  71.7  198'  76
2017 09 17 18  23 46 39.962   -08 29 23.07   129148 1.0058 173.4 17.5  68.71  71.6  242'  76
2017 09 17 19  23 51 04.429   -08 07 27.33   128566 1.0058 173.4 17.5  69.33  71.4  298'  77
2017 09 17 20  23 55 31.339   -07 45 06.10   127723 1.0058 173.3 17.5  70.25  71.2  370'  77
2017 09 17 21  00 00 01.851   -07 22 13.67   126618 1.0058 172.9 17.5  71.47  71.1  467'  77
2017 09 17 22  00 04 37.215   -06 58 43.68   125245 1.0057 172.4 17.5  73.04  70.9  602'  76
2017 09 17 23  00 09 18.804   -06 34 28.99   123600 1.0057 171.7 17.5  75.00  70.8  805'  76
2017 09 18 00  00 14 08.153   -06 09 21.42   121676 1.0057 170.9 17.5  77.38  70.7   19d  76
2017 09 18 01  00 19 07.015   -05 43 11.50   119464 1.0057 170.0 17.5  80.27  70.5   31d  75
2017 09 18 02  00 24 17.427   -05 15 48.08   116956 1.0056 169.0 17.5  83.74  70.4  126d  73
2017 09 18 03  00 29 41.804   -04 46 57.82   114139 1.0056 167.8 17.5  87.92  70.3   96d  74
2017 09 18 04  00 35 23.057   -04 16 24.56   111001 1.0056 166.6 17.5  92.96  70.2   82d  73
2017 09 18 05  00 41 24.771   -03 43 48.38   107524 1.0055 165.2 17.4  99.06  70.1   76d  73
2017 09 18 06  00 47 51.450   -03 08 44.22   103690 1.0055 163.7 17.4  106.5  70.0   73d  73
2017 09 18 07  00 54 48.882   -02 30 40.03    99475 1.0054 162.0 17.4  115.7  69.9   72d  73
2017 09 18 08  01 02 24.695   -01 48 53.81    94850 1.0054 160.1 17.3  127.3  69.8   71d  73
2017 09 18 09  01 10 49.240   -01 02 29.09    89780 1.0053 158.1 17.3  142.0  69.8   71d  73
2017 09 18 10  01 20 17.054   -00 10 07.68    84222 1.0053 155.7 17.2  161.4  69.7   71d  72
2017 09 18 11  01 31 09.407   +00 50 02.71    78120 1.0052 152.9 17.1  187.6  69.8   72d  72
2017 09 18 12  01 43 59.082   +02 00 50.62    71403 1.0052 149.7 17.0  224.5  69.8   74d  72
2017 09 18 13  01 59 40.077   +03 26 43.32    63975 1.0051 145.6 16.9  279.7  70.0   76d  72
2017 09 18 14  02 19 49.698   +05 15 15.44    55703 1.0050 140.4 16.8  368.9  70.4   80d  73
2017 09 18 15  02 47 47.240   +07 40 33.00    46402 1.0049 133.2 16.6  531.7  71.2   86d  73
2017 09 18 16  03 31 50.146   +11 11 43.84    35806 1.0048 122.0 16.3  892.9  73.0   96d  75
2017 09 18 17  05 01 04.121   +16 46 12.81    23651 1.0047  99.8 16.1   2047  78.5  117d  81
2017 09 18 18  09 56 08.476   +16 06 11.14    12272 1.0046  30.3 20??   7602 102.5  174d  84
2017 09 18 19  16 44 52.188   -15 56 46.67    18672 1.0046  76.1 16.6   3284 102.7   70d 101
2017 09 18 20  19 00 32.853   -20 10 36.82    31300 1.0047 108.3 16.4   1169  91.8   39d  89
2017 09 18 21  20 01 15.181   -19 59 02.95    42482 1.0048 122.4 16.7  634.5  86.6   26d  83
2017 09 18 22  20 37 28.354   -19 14 58.33    52249 1.0049 130.9 16.9  419.5  83.6   19d  79
2017 09 18 23  21 02 32.449   -18 28 23.89    60892 1.0049 136.7 17.0  308.9  81.5  898'  76
2017 09 19 00  21 21 28.378   -17 44 39.45    68629 1.0050 141.2 17.2  243.1  80.1  734'  74
2017 09 19 01  21 36 36.524   -17 04 28.96    75609 1.0050 144.7 17.3  200.3  78.9  632'  72
2017 09 19 02  21 49 12.175   -16 27 35.79    81939 1.0051 147.7 17.4  170.6  78.0  582'  71
2017 09 19 03  21 59 59.831   -15 53 31.92    87700 1.0051 150.2 17.5  148.9  77.3  578'  72
2017 09 19 04  22 09 27.742   -15 21 50.28    92953 1.0051 152.5 17.5  132.6  76.6  627'  72
2017 09 19 05  22 17 54.861   -14 52 07.55    97746 1.0052 154.5 17.6  119.9  76.1  745'  74
2017 09 19 06  22 25 34.472   -14 24 04.24   102116 1.0052 156.3 17.6  109.8  75.6  981'  75
2017 09 19 07  22 32 36.223   -13 57 24.22   106095 1.0052 157.9 17.6  101.8  75.2   25d  76
2017 09 19 08  22 39 07.342   -13 31 54.05   109708 1.0052 159.4 17.7  95.17  74.8   55d  78
2017 09 19 09  22 45 13.381   -13 07 22.43   112976 1.0052 160.8 17.7  89.74  74.4  108d  77
2017 09 19 10  22 50 58.705   -12 43 39.80   115916 1.0052 162.1 17.7  85.25  74.1   86d  77
2017 09 19 11  22 56 26.821   -12 20 37.88   118543 1.0053 163.4 17.7  81.52  73.8   78d  77
2017 09 19 12  23 01 40.596   -11 58 09.48   120868 1.0053 164.5 17.7  78.41  73.5   74d  77
2017 09 19 13  23 06 42.418   -11 36 08.23   122904 1.0053 165.6 17.7  75.84  73.3   72d  77
2017 09 19 14  23 11 34.314   -11 14 28.36   124657 1.0053 166.7 17.7  73.72  73.0   70d  76
2017 09 19 15  23 16 18.032   -10 53 04.65   126135 1.0053 167.7 17.7  72.00  72.8   68d  76
2017 09 19 16  23 20 55.108   -10 31 52.20   127344 1.0053 168.6 17.7  70.64  72.6   67d  76
2017 09 19 17  23 25 26.915   -10 10 46.38   128289 1.0053 169.5 17.7  69.61  72.4   67d  76
2017 09 19 18  23 29 54.704   -09 49 42.72   128972 1.0053 170.3 17.6  68.87  72.2   66d  76
2017 09 19 19  23 34 19.638   -09 28 36.86   129397 1.0053 171.1 17.6  68.42  72.0   65d  75
2017 09 19 20  23 38 42.820   -09 07 24.39   129565 1.0053 171.8 17.6  68.24  71.8   65d  75
2017 09 19 21  23 43 05.318   -08 46 00.83   129476 1.0052 172.4 17.6  68.33  71.7   65d  75
2017 09 19 22  23 47 28.189   -08 24 21.54   129131 1.0052 172.8 17.5  68.70  71.5   64d  75
2017 09 19 23  23 51 52.502   -08 02 21.61   128527 1.0052 173.1 17.5  69.34  71.3   64d  75
2017 09 20 00  23 56 19.362   -07 39 55.75   127664 1.0052 173.3 17.5  70.29  71.2   64d  74
2017 09 20 01  00 00 49.933   -07 16 58.18   126537 1.0052 173.2 17.5  71.54  71.0   64d  74
2017 09 20 02  00 05 25.473   -06 53 22.49   125142 1.0052 173.0 17.5  73.14  70.9   63d  74
2017 09 20 03  00 10 07.364   -06 29 01.45   123475 1.0051 172.6 17.4  75.13  70.7   63d  74
2017 09 20 04  00 14 57.154   -06 03 46.80   121527 1.0051 172.0 17.4  77.56  70.6   63d  74
2017 09 20 05  00 19 56.616   -05 37 28.93   119292 1.0051 171.2 17.4  80.49  70.5   62d  74
2017 09 20 06  00 25 07.811   -05 09 56.53   116760 1.0050 170.3 17.4  84.01  70.4   62d  73
2017 09 20 07  00 30 33.186   -04 40 56.07   113918 1.0050 169.3 17.4  88.26  70.2   62d  73
2017 09 20 08  00 36 15.698   -04 10 11.14   110754 1.0050 168.1 17.4  93.37  70.1   61d  73
2017 09 20 09  00 42 18.992   -03 37 21.44   107250 1.0049 166.8 17.4  99.57  70.0   60d  73
2017 09 20 10  00 48 47.654   -03 02 01.47   103387 1.0049 165.3 17.3  107.1  69.9   59d  73
2017 09 20 11  00 55 47.591   -02 23 38.51    99141 1.0049 163.6 17.3  116.5  69.9   57d  73
2017 09 20 12  01 03 26.603   -01 41 29.64    94483 1.0048 161.8 17.3  128.3  69.8   54d  72
2017 09 20 13  01 11 55.301   -00 54 37.03    89378 1.0048 159.7 17.2  143.3  69.7   48d  72
2017 09 20 14  01 21 28.627   -00 01 40.43    83780 1.0047 157.4 17.2  163.1  69.7   31d  71
2017 09 20 15  01 32 28.529   +00 59 15.76    77635 1.0046 154.6 17.1  190.0  69.7  153d  70
2017 09 20 16  01 45 28.977   +02 11 05.63    70867 1.0046 151.3 17.0  228.0  69.8  163d  78
2017 09 20 17  02 01 26.263   +03 38 26.47    63380 1.0045 147.2 16.8  285.0  70.0  156d  77