"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