"Pseudo-MPEC" for ZGBDF1D

Created 2018 Apr 19 8:18:14 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     ZGBDF1D  C2018 04 12.31986 13 58 07.67 +08 51 02.4          20.8 GUNEOCPG96
     ZGBDF1D  C2018 04 12.32500 13 58 08.35 +08 52 00.6                UNEOCPG96
     ZGBDF1D  C2018 04 12.33014 13 58 08.97 +08 52 58.8          20.1 GUNEOCPG96
     ZGBDF1D  C2018 04 12.33527 13 58 09.62 +08 53 58.6          20.7 GUNEOCPG96

Station data:
(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.

Orbital elements:  ZGBDF1D
   Perihelion 2018 Mar 8.597379 +/- 48.5 TT = 14:20:13 (JD 2458186.097379)
Epoch 2018 Apr 12.0 TT = JDT 2458220.5   Earth MOID: 0.0337   AutoNEOCP
M  31.13953 +/- 29                  (J2000 ecliptic)
n   0.90515004 +/- 0.415            Peri.  332.34275 +/- 70
a   1.05841421 +/- 0.324            Node   196.88962 +/- 55
e   0.0252248 +/- 0.273             Incl.    7.11464 +/- 14
P   1.09/397.72d           H 27.1   G  0.15   U 12.1  SR
q 1.03171586 +/- 0.212    Q 1.08511256 +/- 23.5
From 4 observations 2018 Apr. 12 (22.2 min); mean residual 0".37
Residuals in arcseconds: 
180412 G96  .17-  .37+    180412 G96  .10-  .71-    
180412 G96  .30+  .19-    180412 G96  .03-  .54+    

Ephemerides (geocentric):
Date (UTC) HH   RA              Dec         delta   r     elong  mag " sig PA
---- -- -- --  ------------   ------------  ------ ------ -----  --- ---- ---
2018 04 19 08  14 20 50.909   +27 21 54.64  .04244 1.0376 140.7 21.8  53d   2
2018 04 19 09  14 20 58.180   +27 27 04.49  .04250 1.0376 140.6 21.8  53d   2
2018 04 19 10  14 21 05.442   +27 32 13.35  .04255 1.0376 140.5 21.8  53d   2
2018 04 19 11  14 21 12.694   +27 37 21.24  .04261 1.0376 140.4 21.8  53d   2
2018 04 19 12  14 21 19.937   +27 42 28.15  .04266 1.0376 140.3 21.8  53d   2
2018 04 19 13  14 21 27.171   +27 47 34.08  .04272 1.0376 140.2 21.8  53d   2
2018 04 19 14  14 21 34.395   +27 52 39.05  .04278 1.0376 140.1 21.8  53d   2
2018 04 19 15  14 21 41.610   +27 57 43.04  .04283 1.0376 140.0 21.9  53d   2
2018 04 19 16  14 21 48.815   +28 02 46.06  .04289 1.0376 139.9 21.9  54d   2
2018 04 19 17  14 21 56.011   +28 07 48.11  .04294 1.0377 139.8 21.9  54d   2
2018 04 19 18  14 22 03.198   +28 12 49.20  .04300 1.0377 139.7 21.9  54d   2
2018 04 19 19  14 22 10.376   +28 17 49.33  .04306 1.0377 139.7 21.9  54d   2
2018 04 19 20  14 22 17.544   +28 22 48.49  .04311 1.0377 139.6 21.9  54d   1
2018 04 19 21  14 22 24.703   +28 27 46.69  .04317 1.0377 139.5 21.9  54d   1
2018 04 19 22  14 22 31.853   +28 32 43.94  .04323 1.0377 139.4 21.9  54d   1
2018 04 19 23  14 22 38.993   +28 37 40.23  .04328 1.0377 139.3 21.9  54d   1
2018 04 20 00  14 22 46.125   +28 42 35.56  .04334 1.0377 139.2 21.9  55d   1
2018 04 20 01  14 22 53.247   +28 47 29.94  .04340 1.0377 139.1 21.9  55d   1
2018 04 20 02  14 23 00.360   +28 52 23.37  .04345 1.0378 139.0 21.9  55d   1
2018 04 20 03  14 23 07.463   +28 57 15.85  .04351 1.0378 138.9 21.9  55d   1
2018 04 20 04  14 23 14.558   +29 02 07.39  .04357 1.0378 138.8 21.9  55d   1
2018 04 20 05  14 23 21.643   +29 06 57.98  .04363 1.0378 138.7 21.9  55d   1
2018 04 20 06  14 23 28.719   +29 11 47.63  .04368 1.0378 138.6 21.9  55d   1
2018 04 20 07  14 23 35.786   +29 16 36.34  .04374 1.0378 138.5 21.9  55d   1
2018 04 20 08  14 23 42.843   +29 21 24.11  .04380 1.0378 138.5 21.9  55d   1
2018 04 20 09  14 23 49.892   +29 26 10.94  .04386 1.0378 138.4 21.9  56d   1
2018 04 20 10  14 23 56.931   +29 30 56.84  .04392 1.0378 138.3 22.0  56d   1
2018 04 20 11  14 24 03.962   +29 35 41.80  .04397 1.0379 138.2 22.0  56d   1
2018 04 20 12  14 24 10.983   +29 40 25.84  .04403 1.0379 138.1 22.0  56d   1
2018 04 20 13  14 24 17.995   +29 45 08.94  .04409 1.0379 138.0 22.0  56d   1
2018 04 20 14  14 24 24.998   +29 49 51.12  .04415 1.0379 137.9 22.0  56d   1
2018 04 20 15  14 24 31.992   +29 54 32.38  .04421 1.0379 137.8 22.0  56d   1
2018 04 20 16  14 24 38.977   +29 59 12.71  .04427 1.0379 137.7 22.0  56d   1
2018 04 20 17  14 24 45.952   +30 03 52.13  .04433 1.0379 137.7 22.0  56d   1
2018 04 20 18  14 24 52.919   +30 08 30.62  .04439 1.0379 137.6 22.0  56d   1
2018 04 20 19  14 24 59.876   +30 13 08.21  .04444 1.0379 137.5 22.0  56d   1
2018 04 20 20  14 25 06.825   +30 17 44.87  .04450 1.0380 137.4 22.0  57d   1
2018 04 20 21  14 25 13.764   +30 22 20.63  .04456 1.0380 137.3 22.0  57d   1
2018 04 20 22  14 25 20.695   +30 26 55.48  .04462 1.0380 137.2 22.0  57d   1
2018 04 20 23  14 25 27.616   +30 31 29.42  .04468 1.0380 137.1 22.0  57d   1
2018 04 21 00  14 25 34.529   +30 36 02.45  .04474 1.0380 137.0 22.0  57d   1
2018 04 21 01  14 25 41.432   +30 40 34.58  .04480 1.0380 137.0 22.0  57d   1
2018 04 21 02  14 25 48.327   +30 45 05.81  .04486 1.0380 136.9 22.0  57d   1
2018 04 21 03  14 25 55.212   +30 49 36.15  .04492 1.0380 136.8 22.0  57d   1
2018 04 21 04  14 26 02.089   +30 54 05.58  .04498 1.0381 136.7 22.0  57d   1
2018 04 21 05  14 26 08.957   +30 58 34.13  .04504 1.0381 136.6 22.1  57d   1
2018 04 21 06  14 26 15.815   +31 03 01.78  .04510 1.0381 136.5 22.1  57d   1
2018 04 21 07  14 26 22.665   +31 07 28.54  .04516 1.0381 136.4 22.1  57d   1