"Pseudo-MPEC" for VW83B7A
Created 2014 Nov 23 13:06:41 UT using Find_Orb
Astrometry: VW83B7A C2014 11 22.34274 04 31 31.00 +29 05 57.5 20.6 VqNEOCPG96 VW83B7A C2014 11 22.34783 04 31 31.04 +29 06 02.4 20.7 VqNEOCPG96 VW83B7A C2014 11 22.35293 04 31 31.07 +29 06 06.9 20.3 VqNEOCPG96 VW83B7A C2014 11 22.35803 04 31 31.13 +29 06 11.4 21.0 VqNEOCPG96 VW83B7A C2014 11 22.38690 04 31 31.53 +29 06 36.7 20.4 VqNEOCPG96 VW83B7A C2014 11 22.39485 04 31 31.60 +29 06 43.0 20.7 VqNEOCPG96 VW83B7A C2014 11 22.40159 04 31 31.75 +29 06 49.0 20.5 VqNEOCPG96 VW83B7A C2014 11 22.40833 04 31 31.82 +29 06 54.4 21.5 VqNEOCPG96 VW83B7A C2014 11 23.35649 04 32 42.45 +29 23 53.4 20.4 VqNEOCPG96 VW83B7A C2014 11 23.36192 04 32 42.54 +29 23 59.7 20.4 VqNEOCPG96 VW83B7A C2014 11 23.36736 04 32 42.64 +29 24 05.5 20.5 VqNEOCPG96 VW83B7A C2014 11 23.37280 04 32 42.77 +29 24 11.2 20.4 VqNEOCPG96 Station data: (G96) Mt. Lemmon Survey (N32.44287 W110.78872) 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. 1.5-m reflector + CCD. Orbital elements: VW83B7A Perihelion 2015 Jan 28.048972 +/- 1.22 TT = 1:10:31 (JD 2457050.548972) Epoch 2014 Nov 23.0 TT = JDT 2456984.5 Earth MOID: 0.0024 Ve: 0.0646 M 310.950628 +/- 2.1 Ma: 0.0601 Find_Orb n 0.742621266 +/- 0.0182 Peri. 260.285916 +/- 2.6 a 1.207696463 +/- 0.0197 Node 254.052430 +/- 1.4 e 0.39085695 +/- 0.0282 Incl. 1.864461 +/- 0.20 P 1.33/484.76d H 25.8 G 0.15 U 10.1 q 0.735659905 +/- 0.0218 Q 1.679733020 +/- 0.0608 From 12 observations 2014 Nov. 22-23 (24.7 hr); mean residual 0.187 Orbital elements (geocentric flyby): VW83B7A Perigee 2014 Dec 2.221674 +/- 0.69 TT = 5:19:12 (JD 2456993.721674) Epoch 2014 Dec 2.0 TT = JDT 2456993.5 Find_Orb q550961.8646 +/- 34349 H 25.8 G 0.15 Peri. 124.011557 +/- 0.16 Node 44.196015 +/- 0.043 e 177.64282223 +/- 17.6 Incl. 54.286789 +/- 0.10 From 12 observations 2014 Nov. 22-23 (24.7 hr); mean residual 0.187 Residuals in arcseconds: 141122 G96 .247 -0.11 141122 G96 .334 -0.30 141123 G96 .282 -0.05 141122 G96 .160 -0.01 141122 G96 .395 0.00 141123 G96 .158 -0.04 141122 G96 .256 -0.41 141122 G96 .365 -0.20 141123 G96 .177 0.06 141122 G96 .241 0.29 141122 G96 .267 0.81 141123 G96 .132 -0.04 Ephemerides for (251) Arecibo: Assumes power=900.00 kW, Tsys=25.0 deg K, gain 10.00 Assumed rotation period = 0.30 hours, diameter 28.5 meters Date (UT) HH RA Dec delta r elong SM mag alt az SNR " sig PA ---- -- -- -- ------------ ------------ ------ ------ ----- -- --- --- --- ---- ---- --- ................ 2014 11 28 04 04 46 34.784 +32 38 24.46 .02676 1.0127 166.6 18.8 +72 034 87.6 1238 43 2014 11 28 05 04 46 44.432 +32 42 01.61 .02649 1.0125 166.6 18.8 +75 349 91.3 1282 43 ................ 2014 11 29 05 04 55 31.863 +34 35 00.72 .02002 1.0058 164.6 18.2 +74 354 280 3292 45 ................ 2014 12 02 13 13 53 01.695 +21 02 24.09 .00420 .98368 58.2 * 18?? +81 071 144k 28d 141 2014 12 02 14 14 00 42.287 +18 34 40.80 .00434 .98340 55.2 * 19?? +86 273 126k 26d 142 2014 12 02 15 14 07 41.172 +16 15 00.45 .00449 .98312 52.4 * 19?? +73 265 110k 24d 142 ................ Ephemerides for (253) Goldstone DSS 14, Fort Irwin: Assumes power=430.00 kW, Tsys=17.0 deg K, gain 0.94 Assumed rotation period = 0.30 hours, diameter 28.5 meters Date (UT) HH RA Dec delta r elong SM mag alt az SNR " sig PA ---- -- -- -- ------------ ------------ ------ ------ ----- -- --- --- --- ---- ---- --- ................ 2014 11 30 03 05 12 14.642 +37 34 46.97 .01418 0.9997 160.8 M 17.6 +27 061 48.9 9259 48 2014 11 30 04 05 13 17.823 +37 47 51.47 .01391 0.9995 160.5 M 17.5 +38 066 52.8 9781 48 2014 11 30 05 05 14 21.096 +38 01 15.85 .01364 0.9992 160.3 M 17.5 +49 070 57.1 172' 48 2014 11 30 06 05 15 24.861 +38 14 56.14 .01337 0.9989 160.0 M 17.5 +60 073 61.8 182' 48 2014 11 30 07 05 16 29.719 +38 28 48.83 .01311 0.9986 159.7 M 17.4 +72 074 67.0 192' 48 2014 11 30 08 05 17 36.449 +38 42 51.28 .01285 0.9983 159.4 M 17.4 +83 059 72.6 203' 48 2014 11 30 09 05 18 45.987 +38 57 01.98 .01259 0.9981 159.1 17.4 +83 303 78.8 215' 48 2014 11 30 10 05 19 59.383 +39 11 20.80 .01233 0.9978 158.8 17.3 +72 289 85.7 227' 48 2014 11 30 11 05 21 17.759 +39 25 49.24 .01207 0.9975 158.5 17.3 +61 289 93.2 241' 49 2014 11 30 12 05 22 42.258 +39 40 30.40 .01182 0.9972 158.2 17.3 +50 292 101 255' 49 2014 11 30 13 05 24 13.992 +39 55 29.06 .01156 0.9970 157.8 17.2 +39 296 111 271' 49 2014 11 30 14 05 25 53.998 +40 10 51.45 .01131 0.9967 157.4 N 17.2 +28 301 121 288' 49 ................ 2014 12 01 03 06 04 03.574 +45 06 33.56 .00805 0.9931 149.4 M 16.7 +22 050 472 748' 57 2014 12 01 04 06 08 26.632 +45 39 27.70 .00780 0.9928 148.5 M 16.6 +31 054 535 813' 57 2014 12 01 05 06 13 06.336 +46 13 40.33 .00755 0.9925 147.5 M 16.6 +41 056 607 885' 58 2014 12 01 06 06 18 05.087 +46 49 02.28 .00731 0.9923 146.5 M 16.5 +50 057 692 964' 59 2014 12 01 07 06 23 25.939 +47 25 22.81 .00707 0.9920 145.5 M 16.5 +59 055 790 17d 60 2014 12 01 08 06 29 12.657 +48 02 29.70 .00684 0.9917 144.3 M 16.5 +68 048 904 19d 61 2014 12 01 09 06 35 29.758 +48 40 09.26 .00661 0.9914 143.2 M 16.4 +75 028 1037 20d 62 2014 12 01 10 06 42 22.541 +49 18 05.99 .00638 0.9912 141.9 16.4 +76 353 1191 22d 63 2014 12 01 11 06 49 57.077 +49 56 02.10 .00616 0.9909 140.6 16.3 +72 327 1371 24d 64 2014 12 01 12 06 58 20.178 +50 33 36.54 .00595 0.9906 139.1 16.3 +65 315 1581 26d 66 2014 12 01 13 07 07 39.316 +51 10 23.53 .00574 0.9903 137.6 16.3 +57 311 1825 29d 68 2014 12 01 14 07 18 02.474 +51 45 50.62 .00553 0.9900 135.9 N 16.2 +49 311 2109 31d 70 2014 12 01 15 07 29 37.903 +52 19 16.14 .00534 .98977 134.1 * 16.2 +42 312 2439 33d 72 2014 12 01 16 07 42 33.734 +52 49 46.26 .00515 .98949 132.1 * 16.2 +35 314 2821 36d 75 2014 12 01 17 07 56 57.402 +53 16 11.92 .00496 .98922 129.9 * 16.2 +28 317 3263 38d 78 2014 12 01 18 08 12 54.817 +53 37 06.02 .00479 .98894 127.6 * 16.1 +22 321 3768 41d 81 ................ 2014 12 02 12 13 45 38.252 +23 19 49.53 .00409 .98395 61.0 18.6 +27 080 7058 29d 141 2014 12 02 13 13 54 23.913 +20 47 20.88 .00421 .98368 57.8 18?? +36 089 6273 27d 141 2014 12 02 14 14 02 15.405 +18 22 09.26 .00435 .98340 54.8 N 19?? +46 100 5523 26d 142 2014 12 02 15 14 09 19.540 +16 04 43.83 .00450 .98312 52.0 * 19?? +55 115 4825 24d 143 2014 12 02 16 14 15 42.641 +13 55 18.29 .00466 .98285 49.4 * 19?? +62 136 4191 22d 143 2014 12 02 17 14 21 30.492 +11 53 54.28 .00483 .98257 47.0 * 20?? +66 166 3622 21d 143 2014 12 02 18 14 26 48.295 +10 00 24.26 .00502 .98229 44.8 * 20?? +64 197 3121 20d 143 2014 12 02 19 14 31 40.652 +08 14 33.79 .00521 .98202 42.7 * 20?? +56 221 2683 18d 143 2014 12 02 20 14 36 11.553 +06 36 03.34 .00541 .98174 40.8 * 21?? +47 237 2304 17d 144 2014 12 02 21 14 40 24.376 +05 04 29.80 .00562 .98147 39.0 * 21?? +35 248 1979 16d 144 2014 12 02 22 14 44 21.905 +03 39 27.63 .00584 .98119 37.3 * 21?? +24 257 1700 944' 144 ................ 2014 12 03 15 15 26 40.142 -10 12 04.98 .00988 .97650 20.9 * 26?? +23 123 207 408' 143 2014 12 03 16 15 27 53.568 -10 40 02.12 .01013 .97623 20.4 * 26?? +32 136 188 393' 143 2014 12 03 17 15 29 01.762 -11 06 30.75 .01038 .97595 20.0 * 26?? +39 152 170 379' 143 2014 12 03 18 15 30 05.748 -11 31 34.95 .01064 .97568 19.6 * 27?? +43 171 155 366' 143 2014 12 03 19 15 31 06.537 -11 55 18.95 .01089 .97540 19.2 * 27?? +42 190 141 353' 143 2014 12 03 20 15 32 05.083 -12 17 47.28 .01115 .97513 18.8 * 27?? +38 208 128 341' 143 2014 12 03 21 15 33 02.236 -12 39 04.77 .01141 .97485 18.5 * 27?? +30 223 117 330' 143 2014 12 03 22 15 33 58.706 -12 59 16.57 .01168 .97458 18.1 * 27?? +21 235 106 319' 142 Ephemerides (geocentric): Date (UT) HH RA Dec delta r elong mag " sig PA ---- -- -- -- ------------ ------------ ------ ------ ----- --- ---- --- 2014 11 23 13 04 32 59.272 +29 27 43.29 .05724 1.0435 167.5 20.4 1.8 37 2014 11 23 14 04 33 02.710 +29 28 34.17 .05696 1.0432 167.5 20.4 2.3 39 2014 11 23 15 04 33 06.179 +29 29 25.50 .05669 1.0429 167.5 20.4 3.0 39 2014 11 23 16 04 33 09.680 +29 30 17.29 .05641 1.0427 167.6 20.4 3.6 40 2014 11 23 17 04 33 13.213 +29 31 09.53 .05613 1.0424 167.6 20.4 4.3 40 2014 11 23 18 04 33 16.779 +29 32 02.24 .05586 1.0421 167.6 20.4 5.1 40 2014 11 23 19 04 33 20.378 +29 32 55.42 .05558 1.0418 167.6 20.4 5.9 41 2014 11 23 20 04 33 24.012 +29 33 49.08 .05530 1.0415 167.6 20.4 6.8 41 2014 11 23 21 04 33 27.679 +29 34 43.23 .05502 1.0413 167.6 20.4 7.7 41 2014 11 23 22 04 33 31.382 +29 35 37.87 .05475 1.0410 167.6 20.3 8.6 41 2014 11 23 23 04 33 35.121 +29 36 33.02 .05447 1.0407 167.6 20.3 9 41 2014 11 24 00 04 33 38.895 +29 37 28.67 .05419 1.0404 167.7 20.3 10 41 2014 11 24 01 04 33 42.706 +29 38 24.84 .05392 1.0402 167.7 20.3 11 41 2014 11 24 02 04 33 46.555 +29 39 21.54 .05364 1.0399 167.7 20.3 13 41 2014 11 24 03 04 33 50.441 +29 40 18.77 .05336 1.0396 167.7 20.3 14 41 2014 11 24 04 04 33 54.367 +29 41 16.55 .05309 1.0393 167.7 20.3 15 41 2014 11 24 05 04 33 58.331 +29 42 14.87 .05281 1.0391 167.7 20.3 17 41 2014 11 24 06 04 34 02.336 +29 43 13.75 .05253 1.0388 167.7 20.2 18 41 2014 11 24 07 04 34 06.381 +29 44 13.21 .05226 1.0385 167.7 20.2 19 41 2014 11 24 08 04 34 10.467 +29 45 13.23 .05198 1.0382 167.7 20.2 21 42 2014 11 24 09 04 34 14.596 +29 46 13.85 .05170 1.0380 167.8 20.2 23 42 2014 11 24 10 04 34 18.767 +29 47 15.06 .05143 1.0377 167.8 20.2 24 42 2014 11 24 11 04 34 22.982 +29 48 16.87 .05115 1.0374 167.8 20.2 26 42 2014 11 24 12 04 34 27.240 +29 49 19.30 .05088 1.0371 167.8 20.2 28 42 2014 11 24 13 04 34 31.544 +29 50 22.35 .05060 1.0368 167.8 20.2 30 42 2014 11 24 14 04 34 35.894 +29 51 26.04 .05032 1.0366 167.8 20.1 32 42 2014 11 24 15 04 34 40.291 +29 52 30.38 .05005 1.0363 167.8 20.1 34 42 2014 11 24 16 04 34 44.735 +29 53 35.36 .04977 1.0360 167.8 20.1 37 42 2014 11 24 17 04 34 49.227 +29 54 41.02 .04950 1.0357 167.8 20.1 39 42 2014 11 24 18 04 34 53.768 +29 55 47.35 .04922 1.0355 167.8 20.1 41 42 2014 11 24 19 04 34 58.359 +29 56 54.38 .04894 1.0352 167.8 20.1 44 42 2014 11 24 20 04 35 03.002 +29 58 02.10 .04867 1.0349 167.9 20.1 46 42 2014 11 24 21 04 35 07.696 +29 59 10.54 .04839 1.0346 167.9 20.1 49 42 2014 11 24 22 04 35 12.443 +30 00 19.70 .04812 1.0344 167.9 20.0 52 42 2014 11 24 23 04 35 17.243 +30 01 29.60 .04784 1.0341 167.9 20.0 55 42 2014 11 25 00 04 35 22.099 +30 02 40.24 .04757 1.0338 167.9 20.0 58 42 2014 11 25 01 04 35 27.010 +30 03 51.65 .04729 1.0335 167.9 20.0 61 42 2014 11 25 02 04 35 31.978 +30 05 03.84 .04702 1.0332 167.9 20.0 64 42 2014 11 25 03 04 35 37.004 +30 06 16.81 .04674 1.0330 167.9 20.0 68 42 2014 11 25 04 04 35 42.089 +30 07 30.59 .04647 1.0327 167.9 20.0 71 42 2014 11 25 05 04 35 47.234 +30 08 45.19 .04619 1.0324 167.9 19.9 75 42 2014 11 25 06 04 35 52.440 +30 10 00.62 .04592 1.0321 167.9 19.9 79 42 2014 11 25 07 04 35 57.709 +30 11 16.89 .04564 1.0319 167.9 19.9 83 42 2014 11 25 08 04 36 03.041 +30 12 34.03 .04537 1.0316 167.9 19.9 87 42 2014 11 25 09 04 36 08.438 +30 13 52.04 .04509 1.0313 167.9 19.9 91 42 2014 11 25 10 04 36 13.901 +30 15 10.94 .04482 1.0310 167.9 19.9 95 42 2014 11 25 11 04 36 19.431 +30 16 30.76 .04454 1.0308 167.9 19.9 100 42 2014 11 25 12 04 36 25.030 +30 17 51.50 .04427 1.0305 167.9 19.9 105 42 2014 11 25 13 04 36 30.699 +30 19 13.19 .04399 1.0302 167.9 19.8 110 42 2014 11 25 14 04 36 36.440 +30 20 35.83 .04372 1.0299 167.9 19.8 115 42