"Pseudo-MPEC" for ZKA7A2D

Created 2018 May 23 1:18:13 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     ZKA7A2D  C2018 05 16.43187 21 08 44.76 -00 18 40.7          20.6 GUNEOCPG96
     ZKA7A2D  C2018 05 16.43706 21 08 44.82 -00 18 38.0          20.2 GUNEOCPG96
     ZKA7A2D  C2018 05 16.44226 21 08 44.80 -00 18 35.9          20.9 GUNEOCPG96
     ZKA7A2D  C2018 05 16.45087 21 08 44.83 -00 18 30.7          21.2 GUNEOCPG96
     ZKA7A2D  C2018 05 17((Astrometry8sbx@Inslk\?%+ER:Ywv1uk72NtJGv3y=6G6\8LxH01
     ZKA7A2D  C2018 05 17WBWOM'B6XGTc8f72j8cW7Zm^JOQvN.r+8EbsAxR_y,#7L:$SgNDGH01
     ZKA7A2D  C2018 05 17A]KK4GSvs84.:R`SQFVCrqGh$hHi8_:cs;p4T^,/lFa,TmR06$[7H01
     ZKA7A2D  C2018 05 17m9YcH!!uW4EEi)QRvredacted;Rm(,:5p*9RA`EJa%cD8OX]t!fLH01
     ZKA7A2D |C2018 05 19-X!ydo4ZMfu42v^MR=6q;(NeuO,!7Yl!wa5Wacx]wd357e,(6H0k807
     ZKA7A2D |C2018 05 19vPf%6g8.:wJOT1l,HCp52bU?jkgT\c^BtC_3CG'@qVO]#5_F,uYH807
     ZKA7A2D |C2018 05 19Px8u?F2\+4$YX=lUeMP6*%Ma:3-.@H^:seeY7;ksFZx%loLGZywK807
     ZKA7A2D  C2018 05 20.42551 21 08 48.33 +00 14 41.4          20.6 GUNEOCPI52
     ZKA7A2D  C2018 05 20.43938 21 08 48.27 +00 14 48.8          20.8 GUNEOCPI52
     ZKA7A2D  C2018 05 20.44801 21 08 48.27 +00 14 53.1          21.1 GUNEOCPI52
     ZKA7A2D  C2018 05 21.41119 21 08 47.29 +00 22 51.1          20.7 GUNEOCPI52
     ZKA7A2D  C2018 05 21.42872 21 08 47.23 +00 22 59.4          20.9 GUNEOCPI52
     ZKA7A2D  C2018 05 21.43550 21 08 47.23 +00 23 03.2          21.1 GUNEOCPI52
     ZKA7A2D KC2018 05 21]VxDKe,KsLN1EBE\]jV)J.c#i8BocL;$w'0T7*f\M10!Nn\1v:nR691
     ZKA7A2D KC2018 05 21Bdojd'Akkw((@UQ7?,e3fHD=bx1nAucw?MX`sJ^M,fm%ux:^'(K)691
     ZKA7A2D KC2018 05 21hE%S9OVwH^V/1Zm^@3+Eb)aAC^lLe4LjhejqvA?4w(E1O]RNEOCP691

Station data:
(691) Steward Observatory, Kitt Peak - Spacewatch  (N31.957971 W111.599000)
   US/Arizona.  Observer J. V. Scotti. 0.9-m f/3 reflector + CCD.
(807) Cerro Tololo Observatory, La Serena  (S30.169136 W70.805900)  Chile.
   Observers M. Holman, J. Kavelaars, T. Grav, W. Fraser. Measurer M. Holman.
   4-m Blanco reflector + CCD.
(G96) Mt. Lemmon Survey  (N32.442754 W110.788720)  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.
(H01) Magdalena Ridge Observatory, Socorro  (N33.985151 W107.189200)  US/New
   Mexico.  Observers W. H. Ryan, E. V. Ryan. Measurer W. H. Ryan. 2.4-m
   f/8.9 reflector + CCD.
(I52) Steward Observatory, Mt. Lemmon Station  (N32.442547 W110.788920)
   US/Arizona.

Orbital elements:  ZKA7A2D
   Perihelion 2017 Apr 26.495173 +/- 8.68 TT = 11:53:02 (JD 2457869.995173)
Epoch 2018 May 21.0 TT = JDT 2458259.5   Ju: 0.8473           AutoNEOCP
M   1.59553 +/- 2.0                 (J2000 ecliptic)
n   0.00409630 +/- 0.00486          Peri.  321.19516 +/- 1.4
a  38.6848716 +/- 30.1              Node   293.21918 +/- 0.23
e   0.9021889 +/- 0.0801            Incl.   47.19309 +/- 0.35
P 240.61                   H 13.8   G  0.15   U  9.2  
q 3.78380968 +/- 0.0942    Q 73.5859337 +/- 119
From 20 observations 2018 May 16-21; mean residual 0".26
Residuals in arcseconds: 
180516 G96  .38-  .01+    180517 H01  .08-  .06-    180521 I52  .24+  .05+    
180516 G96  .37+  .08+    180519 807  .16-  .25+    180521 I52  .14-  .33-    
180516 G96  .08-  .45-    180519 807  .46+  .38+    180521 I52  .07+  .12+    
180516 G96  .13+  .40+    180519 807  .03+  .04+    180521 691  .09+  .60+    
180517 H01  .08-  .06-    180520 I52  .17+  .70-    180521 691  .08+  .04-    
180517 H01  .01-  .11-    180520 I52  .47-  .20-    180521 691  .08-  .09-    
180517 H01  .05+  .02+    180520 I52  .31-  .19-    

Ephemerides (geocentric):
Date (UTC) HH   RA              Dec         delta   r     elong  mag " sig PA
---- -- -- --  ------------   ------------  ------ ------ -----  --- ---- ---
2018 05 23 01  21 08 43.795   +00 36 15.85  4.6523 4.9517 101.3 21.3  .56  94
2018 05 23 02  21 08 43.681   +00 36 36.30  4.6519 4.9519 101.4 21.3  .57  94
2018 05 23 03  21 08 43.565   +00 36 56.76  4.6515 4.9521 101.4 21.3  .59  94
2018 05 23 04  21 08 43.448   +00 37 17.21  4.6511 4.9523 101.4 21.3  .60  94
2018 05 23 05  21 08 43.329   +00 37 37.65  4.6507 4.9525 101.5 21.3  .62  94
2018 05 23 06  21 08 43.209   +00 37 58.09  4.6503 4.9527 101.5 21.3  .63  94
2018 05 23 07  21 08 43.088   +00 38 18.53  4.6499 4.9529 101.5 21.3  .65  94
2018 05 23 08  21 08 42.966   +00 38 38.96  4.6495 4.9532 101.6 21.3  .66  94
2018 05 23 09  21 08 42.842   +00 38 59.38  4.6491 4.9534 101.6 21.3  .68  94
2018 05 23 10  21 08 42.716   +00 39 19.81  4.6487 4.9536 101.7 21.3  .70  94
2018 05 23 11  21 08 42.590   +00 39 40.23  4.6483 4.9538 101.7 21.3  .71  94
2018 05 23 12  21 08 42.462   +00 40 00.64  4.6479 4.9540 101.7 21.3  .73  94
2018 05 23 13  21 08 42.332   +00 40 21.05  4.6475 4.9542 101.8 21.3  .75  94
2018 05 23 14  21 08 42.201   +00 40 41.46  4.6471 4.9544 101.8 21.3  .76  94
2018 05 23 15  21 08 42.069   +00 41 01.86  4.6467 4.9546 101.8 21.3  .78  94
2018 05 23 16  21 08 41.936   +00 41 22.26  4.6463 4.9548 101.9 21.3  .80  94
2018 05 23 17  21 08 41.801   +00 41 42.65  4.6459 4.9550 101.9 21.3  .82  94
2018 05 23 18  21 08 41.665   +00 42 03.04  4.6455 4.9552 102.0 21.3  .83  94
2018 05 23 19  21 08 41.527   +00 42 23.42  4.6451 4.9554 102.0 21.3  .85  94
2018 05 23 20  21 08 41.389   +00 42 43.80  4.6447 4.9557 102.0 21.3  .87  94
2018 05 23 21  21 08 41.248   +00 43 04.18  4.6443 4.9559 102.1 21.3  .89  94
2018 05 23 22  21 08 41.107   +00 43 24.55  4.6439 4.9561 102.1 21.3  .91  94
2018 05 23 23  21 08 40.964   +00 43 44.91  4.6435 4.9563 102.1 21.3  .93  94
2018 05 24 00  21 08 40.819   +00 44 05.28  4.6431 4.9565 102.2 21.3  .94  94
2018 05 24 01  21 08 40.674   +00 44 25.63  4.6427 4.9567 102.2 21.3  .96  94
2018 05 24 02  21 08 40.527   +00 44 45.99  4.6423 4.9569 102.2 21.3  .98  94
2018 05 24 03  21 08 40.378   +00 45 06.34  4.6419 4.9571 102.3 21.3  1.0  94
2018 05 24 04  21 08 40.228   +00 45 26.68  4.6415 4.9573 102.3 21.3  1.0  94
2018 05 24 05  21 08 40.077   +00 45 47.02  4.6411 4.9575 102.4 21.3  1.0  94
2018 05 24 06  21 08 39.925   +00 46 07.36  4.6407 4.9577 102.4 21.3  1.1  94
2018 05 24 07  21 08 39.771   +00 46 27.69  4.6404 4.9580 102.4 21.3  1.1  94
2018 05 24 08  21 08 39.616   +00 46 48.02  4.6400 4.9582 102.5 21.3  1.1  94
2018 05 24 09  21 08 39.459   +00 47 08.34  4.6396 4.9584 102.5 21.3  1.1  94
2018 05 24 10  21 08 39.301   +00 47 28.66  4.6392 4.9586 102.5 21.3  1.1  94
2018 05 24 11  21 08 39.142   +00 47 48.97  4.6388 4.9588 102.6 21.3  1.2  94
2018 05 24 12  21 08 38.981   +00 48 09.28  4.6384 4.9590 102.6 21.3  1.2  94
2018 05 24 13  21 08 38.819   +00 48 29.59  4.6380 4.9592 102.7 21.3  1.2  94
2018 05 24 14  21 08 38.656   +00 48 49.89  4.6376 4.9594 102.7 21.3  1.2  94
2018 05 24 15  21 08 38.491   +00 49 10.19  4.6372 4.9596 102.7 21.3  1.2  94
2018 05 24 16  21 08 38.325   +00 49 30.48  4.6368 4.9598 102.8 21.3  1.3  94
2018 05 24 17  21 08 38.158   +00 49 50.77  4.6364 4.9600 102.8 21.3  1.3  94
2018 05 24 18  21 08 37.989   +00 50 11.05  4.6360 4.9602 102.8 21.3  1.3  94
2018 05 24 19  21 08 37.819   +00 50 31.33  4.6356 4.9605 102.9 21.3  1.3  94
2018 05 24 20  21 08 37.647   +00 50 51.60  4.6352 4.9607 102.9 21.3  1.4  94
2018 05 24 21  21 08 37.474   +00 51 11.87  4.6348 4.9609 102.9 21.3  1.4  94
2018 05 24 22  21 08 37.300   +00 51 32.14  4.6344 4.9611 103.0 21.3  1.4  94
2018 05 24 23  21 08 37.125   +00 51 52.40  4.6340 4.9613 103.0 21.3  1.4  94
2018 05 25 00  21 08 36.948   +00 52 12.65  4.6336 4.9615 103.1 21.3  1.4  94