"Pseudo-MPEC" for C0ZFRU2
Created 2019 Sep 20 22:59:42 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
After including Peter Birtwhistle's data from (J95), this looks like an ETBO. I'd not be prepared to swear to that, but a solution without non-gravs would require some bad data to be in the mix, and a high area/mass ratio answer seems more likely.
Astrometry: C0ZFRU2 C2019 09 20.18857 22 29 39.05 -01 46 36.9 ~9KCP 20.0 GVNEOCPG96 C0ZFRU2 C2019 09 20.19414 22 29 49.32 -01 44 07.3 ~9KCP VNEOCPG96 C0ZFRU2 C2019 09 20.20528 22 30 09.72 -01 39 03.3 ~9KCP 20.2 GVNEOCPG96 C0ZFRU2 C2019 09 20.40979 22 36 57.28 -00 07 00.6 ~9KCP 19.8 GVNEOCPG96 C0ZFRU2 C2019 09 20.41014 22 36 58.19 -00 06 51.9 ~9KCP 20.5 GVNEOCPG96 C0ZFRU2 C2019 09 20.41049 22 36 59.21 -00 06 40.9 ~9KCP 20.0 GVNEOCPG96 C0ZFRU2 C2019 09 20.41084 22 37 00.11 -00 06 33.8 ~9KCP VNEOCPG96 C0ZFRU2 KC2019 09 20.87422323 19 16.29 +02 47 11.4 ~9KMq 20.0 GVNEOCPJ95 C0ZFRU2 KC2019 09 20.88001823 19 34.27 +02 49 53.4 ~9KMq 19.8 GVNEOCPJ95 C0ZFRU2 KC2019 09 20.88662623 19 54.51 +02 52 59.6 ~9KMq 19.6 GVNEOCPJ95 C0ZFRU2 KC2019 09 20.89137323 20 08.94 +02 55 12.3 ~9KMq 19.8 GVNEOCPJ95 C0ZFRU2 KC2019 09 20.89613523 20 23.26 +02 57 24.7 ~9KMq 19.9 GVNEOCPJ95 Station data: (G96) Mt. Lemmon Survey (N32.442754 W110.788720) US/Arizona. Observers T. A. Pruyne, B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Gröller, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L. Seaman, F. C. Shelly. 1.5-m reflector + 10K CCD. (J95) Great Shefford (N51.474969 W1.447003) UK. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain + CCD. Orbital elements: C0ZFRU2 Perigee 2019 Sep 22.304062 +/- 0.00353 TT = 7:17:50 (JD 2458748.804062) Epoch 2019 Sep 21.0 TT; AMR 72.899 +/- 8.21 m2/kg Gray M 234.8074918517 +/- 0.24 (J2000 equator) n 96.0019944756 +/- 0.0791 Peri. 182.8976521 +/- 0.16 a101956.91097 +/- 56 Node 338.2612171 +/- 0.12 e 0.778960561 +/- 0.000544 Incl. 22.2395945 +/- 0.0021 P5399.79m/3.750d H 34.2 G 0.15 U 11.0 q 22536.498366 +/- 67.6 Q 181377.32357 +/- 47.8 From 12 observations 2019 Sept. 20 (17.0 hr); mean residual 0".645
Residuals in arcseconds: 190920 G96 .399+ .470+ 190920 G96 .214- .446- 190920 J95 .135+ .376- 190920 G96 1.28- 1.02- 190920 G96 .334+ 1.33+ 190920 J95 .052- .775+ 190920 G96 .881+ .450+ 190920 G96 .942- .796- 190920 J95 .250+ .457+ 190920 G96 .865+ .081+ 190920 J95 .199- .220- 190920 J95 .138- .643- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- -------------- ----------- ----- ------ ----- --- -------- 2019 09 20 00 22 13 29.612 -02 03 29.63 176087 1.0056 156.6 20.7 8.15 73 2019 09 20 01 22 16 33.394 -01 44 28.14 177203 1.0056 157.3 20.6 7.72 73 2019 09 20 02 22 19 35.071 -01 25 39.07 178196 1.0056 158.1 20.6 7.26 72 2019 09 20 03 22 22 34.935 -01 07 00.88 179065 1.0056 158.8 20.6 6.78 71 2019 09 20 04 22 25 33.263 -00 48 32.13 179813 1.0056 159.5 20.6 6.28 71 2019 09 20 05 22 28 30.321 -00 30 11.42 180441 1.0056 160.2 20.6 5.77 70 2019 09 20 06 22 31 26.364 -00 11 57.42 180948 1.0056 160.8 20.6 5.26 69 2019 09 20 07 22 34 21.639 +00 06 11.15 181337 1.0056 161.5 20.6 4.75 68 2019 09 20 08 22 37 16.386 +00 24 15.58 181607 1.0056 162.2 20.5 4.26 67 2019 09 20 09 22 40 10.840 +00 42 17.07 181758 1.0056 162.8 20.5 3.78 65 2019 09 20 10 22 43 05.235 +01 00 16.86 181791 1.0056 163.5 20.5 3.32 63 2019 09 20 11 22 45 59.804 +01 18 16.15 181707 1.0055 164.1 20.5 2.90 60 2019 09 20 12 22 48 54.779 +01 36 16.13 181504 1.0055 164.7 20.5 2.51 57 2019 09 20 13 22 51 50.396 +01 54 18.02 181183 1.0055 165.4 20.4 2.18 53 2019 09 20 14 22 54 46.895 +02 12 23.04 180744 1.0055 166.0 20.4 1.90 47 2019 09 20 15 22 57 44.520 +02 30 32.41 180186 1.0055 166.6 20.4 1.70 41 2019 09 20 16 23 00 43.525 +02 48 47.42 179507 1.0055 167.2 20.3 1.57 35 2019 09 20 17 23 03 44.175 +03 07 09.35 178709 1.0055 167.8 20.3 1.52 29 2019 09 20 18 23 06 46.743 +03 25 39.57 177789 1.0055 168.3 20.3 1.54 24 2019 09 20 19 23 09 51.520 +03 44 19.46 176746 1.0054 168.9 20.2 1.64 23 2019 09 20 20 23 12 58.813 +04 03 10.50 175580 1.0054 169.4 20.2 1.81 24 2019 09 20 21 23 16 08.949 +04 22 14.22 174289 1.0054 169.9 20.2 2.06 27 2019 09 20 22 23 19 22.281 +04 41 32.28 172871 1.0054 170.4 20.1 2.42 31 2019 09 20 23 23 22 39.187 +05 01 06.39 171324 1.0054 170.8 20.1 2.92 36 2019 09 21 00 23 26 00.079 +05 20 58.41 169647 1.0054 171.1 20.1 3.58 40 2019 09 21 01 23 29 25.406 +05 41 10.35 167837 1.0053 171.4 20.0 4.43 45 2019 09 21 02 23 32 55.663 +06 01 44.35 165892 1.0053 171.7 20.0 5.50 48 2019 09 21 03 23 36 31.393 +06 22 42.76 163808 1.0053 171.8 20.0 6.82 52 2019 09 21 04 23 40 13.204 +06 44 08.12 161584 1.0053 171.8 19.9 8.43 54 2019 09 21 05 23 44 01.772 +07 06 03.24 159214 1.0052 171.8 19.9 10.4 57 2019 09 21 06 23 47 57.858 +07 28 31.18 156697 1.0052 171.6 19.9 12.7 58 2019 09 21 07 23 52 02.325 +07 51 35.36 154027 1.0052 171.2 19.9 15.5 60 2019 09 21 08 23 56 16.154 +08 15 19.57 151200 1.0051 170.8 19.8 18.8 61 2019 09 21 09 00 00 40.470 +08 39 48.04 148212 1.0051 170.2 19.8 22.7 63 2019 09 21 10 00 05 16.575 +09 05 05.52 145056 1.0051 169.5 19.8 27.3 64 2019 09 21 11 00 10 05.980 +09 31 17.40 141726 1.0050 168.7 19.8 32.8 65 2019 09 21 12 00 15 10.463 +09 58 29.76 138216 1.0050 167.8 19.8 39.3 66 2019 09 21 13 00 20 32.127 +10 26 49.56 134519 1.0050 166.8 19.7 47.0 66 2019 09 21 14 00 26 13.486 +10 56 24.78 130624 1.0049 165.6 19.7 56.2 67 2019 09 21 15 00 32 17.581 +11 27 24.59 126524 1.0049 164.3 19.7 67.2 68 2019 09 21 16 00 38 48.125 +11 59 59.64 122207 1.0048 162.9 19.7 80.6 69 2019 09 21 17 00 45 49.721 +12 34 22.28 117661 1.0048 161.4 19.6 96.8 69 2019 09 21 18 00 53 28.152 +13 10 46.94 112873 1.0047 159.6 19.6 117 70 2019 09 21 19 01 01 50.807 +13 49 30.40 107827 1.0047 157.7 19.6 142 71 2019 09 21 20 01 11 07.303 +14 30 52.19 102504 1.0046 155.5 19.5 173 72 2019 09 21 21 01 21 30.430 +15 15 14.70 96884 1.0046 153.1 19.5 213 73 2019 09 21 22 01 33 17.633 +16 03 02.91 90944 1.0045 150.3 19.4 265 74 2019 09 21 23 01 46 53.398 +16 54 42.67 84656 1.0044 147.1 19.3 334 75 2019 09 22 00 02 02 53.315 +17 50 35.74 77989 1.0044 143.4 19.3 430 76 2019 09 22 01 02 22 11.282 +18 50 45.83 70909 1.0043 138.8 19.2 566 78 2019 09 22 02 02 46 13.042 +19 54 20.43 63381 1.0042 133.2 19.1 770 80 2019 09 22 03 03 17 23.227 +20 57 42.14 55377 1.0041 126.0 19.0 1093 83 2019 09 22 04 04 00 02.464 +21 48 55.65 46905 1.0041 116.2 18.9 1647 87 2019 09 22 05 05 02 29.258 +21 49 23.21 38099 1.0040 102.0 18.9 2692 93 2019 09 22 06 06 40 23.220 +18 52 36.61 29539 1.0039 79.1 19.3 4819 101 2019 09 22 07 09 13 12.018 +07 42 46.60 23254 1.0038 41.0 21?? 8397 111 2019 09 22 08 12 23 04.549 -10 42 27.48 23242 1.0037 13.1 29?? 9145 109 2019 09 22 09 14 59 25.382 -20 24 23.69 29512 1.0037 49.6 21?? 6066 98 2019 09 22 10 16 38 37.762 -22 00 02.33 38066 1.0038 72.4 20.3 3838 89 2019 09 22 11 17 40 56.735 -21 05 55.70 46866 1.0038 86.7 20.0 2644 84 2019 09 22 12 18 23 06.049 -19 39 42.82 55329 1.0039 96.5 20.0 1971 80 2019 09 22 13 18 53 44.971 -18 12 25.77 63323 1.0039 103.8 20.0 1556 78 2019 09 22 14 19 17 19.214 -16 51 39.55 70840 1.0040 109.5 20.0 1281 76 2019 09 22 15 19 36 14.090 -15 38 36.04 77905 1.0040 114.1 20.1 1088 75 2019 09 22 16 19 51 54.905 -14 32 42.96 84556 1.0040 117.9 20.2 945 74 2019 09 22 17 20 05 14.917 -13 33 04.74 90826 1.0041 121.2 20.2 836 73 2019 09 22 18 20 16 49.132 -12 38 46.40 96747 1.0041 124.1 20.3 751 72 2019 09 22 19 20 27 01.551 -11 48 59.88 102346 1.0042 126.6 20.3 682 72 2019 09 22 20 20 36 09.230 -11 03 04.91 107647 1.0042 128.9 20.4 626 71 2019 09 22 21 20 44 24.654 -10 20 28.17 112671 1.0042 131.0 20.4 579 71