"Pseudo-MPEC" for ZH87DE0

Created 2018 Apr 23 3:18:11 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     ZH87DE0  C2018 04 16.27565 12 05 47.11 -12 07 25.2          21.3 GUNEOCPG96
     ZH87DE0  C2018 04 16.28081 12 05 48.39 -12 08 04.6          21.0 GUNEOCPG96
     ZH87DE0  C2018 04 16.28597 12 05 49.73 -12 08 43.7          20.4 GUNEOCPG96
     ZH87DE0  C2018 04 16.29112 12 05 51.03 -12 09 23.0          20.0 GUNEOCPG96
     ZH87DE0  C2018 04 16.36190 12 06 09.72 -12 18 22.4          21.6 GUNEOCPI52
     ZH87DE0  C2018 04 16.36314 12 06 10.00 -12 18 32.0          21.2 GUNEOCPI52
     ZH87DE0  C2018 04 16.36438 12 06 10.30 -12 18 41.2          20.7 GUNEOCPI52
     ZH87DE0  C2018 04 16.36562 12 06 10.63 -12 18 51.3          21.4 GUNEOCPI52

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.
(I52) Steward Observatory, Mt. Lemmon Station  (N32.442547 W110.788920)
   US/Arizona.

Orbital elements:  ZH87DE0
   Perihelion 2018 Apr 11.101633 +/- 28.5 TT =  2:26:21 (JD 2458219.601633)
Epoch 2018 Apr 16.0 TT = JDT 2458224.5   Earth MOID: 0.0519   Ma: 0.0598
M   2.59081 +/- 15                  (J2000 ecliptic)          AutoNEOCP
n   0.52891392 +/- 0.203            Peri.  182.19141 +/- 42
a   1.51430277 +/- 0.387            Node    17.43050 +/- 13
e   0.3041707 +/- 0.159             Incl.    4.14039 +/- 2.8
P   1.86/680.63d           H 26.4   G  0.15   U 11.7  SR
q 1.05369615 +/- 0.061    Q 1.97490938 +/- 1.34
From 8 observations 2018 Apr. 16 (2.2 hr); mean residual 0".38
Residuals in arcseconds: 
180416 G96  .38+  .38-    180416 G96  .30-  .40+    180416 I52  .42-  .21+    
180416 G96  .21-  .20-    180416 I52  .91+  .21+    180416 I52  .51-  .49-    
180416 G96  .04+  .25+    180416 I52  .10+  .01+    

Ephemerides (geocentric):
Date (UTC) HH   RA              Dec         delta   r     elong  mag " sig PA
---- -- -- --  ------------   ------------  ------ ------ -----  --- ---- ---
2018 04 23 03  12 44 23.440   -25 53 37.55  .05842 1.0595 157.3 21.4 766'  37
2018 04 23 04  12 44 38.370   -25 58 08.85  .05846 1.0596 157.3 21.4 780'  37
2018 04 23 05  12 44 53.306   -26 02 39.66  .05849 1.0596 157.3 21.4 794'  36
2018 04 23 06  12 45 08.250   -26 07 09.97  .05853 1.0596 157.3 21.4 808'  36
2018 04 23 07  12 45 23.200   -26 11 39.79  .05857 1.0597 157.3 21.4 823'  35
2018 04 23 08  12 45 38.157   -26 16 09.11  .05861 1.0597 157.2 21.4 838'  35
2018 04 23 09  12 45 53.121   -26 20 37.93  .05864 1.0598 157.2 21.4 852'  35
2018 04 23 10  12 46 08.091   -26 25 06.26  .05868 1.0598 157.2 21.4 867'  34
2018 04 23 11  12 46 23.068   -26 29 34.08  .05872 1.0598 157.2 21.4 882'  34
2018 04 23 12  12 46 38.051   -26 34 01.40  .05876 1.0599 157.2 21.4 897'  33
2018 04 23 13  12 46 53.041   -26 38 28.22  .05880 1.0599 157.2 21.4 912'  33
2018 04 23 14  12 47 08.038   -26 42 54.54  .05884 1.0600 157.1 21.4 927'  32
2018 04 23 15  12 47 23.040   -26 47 20.34  .05888 1.0600 157.1 21.4 942'  32
2018 04 23 16  12 47 38.049   -26 51 45.64  .05892 1.0600 157.1 21.4 957'  32
2018 04 23 17  12 47 53.064   -26 56 10.44  .05896 1.0601 157.1 21.5 972'  31
2018 04 23 18  12 48 08.085   -27 00 34.72  .05900 1.0601 157.1 21.5 987'  31
2018 04 23 19  12 48 23.112   -27 04 58.49  .05904 1.0602 157.1 21.5  17d  30
2018 04 23 20  12 48 38.145   -27 09 21.74  .05908 1.0602 157.1 21.5  17d  30
2018 04 23 21  12 48 53.184   -27 13 44.49  .05912 1.0603 157.0 21.5  17d  29
2018 04 23 22  12 49 08.229   -27 18 06.71  .05916 1.0603 157.0 21.5  17d  29
2018 04 23 23  12 49 23.279   -27 22 28.42  .05920 1.0603 157.0 21.5  18d  29
2018 04 24 00  12 49 38.335   -27 26 49.62  .05924 1.0604 157.0 21.5  18d  28
2018 04 24 01  12 49 53.397   -27 31 10.29  .05928 1.0604 157.0 21.5  18d  28
2018 04 24 02  12 50 08.464   -27 35 30.45  .05932 1.0605 157.0 21.5  18d  27
2018 04 24 03  12 50 23.537   -27 39 50.08  .05937 1.0605 156.9 21.5  19d  27
2018 04 24 04  12 50 38.615   -27 44 09.19  .05941 1.0606 156.9 21.5  19d  27
2018 04 24 05  12 50 53.698   -27 48 27.78  .05945 1.0606 156.9 21.5  19d  26
2018 04 24 06  12 51 08.787   -27 52 45.84  .05949 1.0606 156.9 21.5  19d  26
2018 04 24 07  12 51 23.881   -27 57 03.37  .05953 1.0607 156.9 21.5  20d  26
2018 04 24 08  12 51 38.980   -28 01 20.38  .05958 1.0607 156.9 21.5  20d  25
2018 04 24 09  12 51 54.084   -28 05 36.86  .05962 1.0608 156.8 21.5  20d  25
2018 04 24 10  12 52 09.192   -28 09 52.81  .05966 1.0608 156.8 21.5  20d  25
2018 04 24 11  12 52 24.306   -28 14 08.24  .05971 1.0609 156.8 21.5  21d  24
2018 04 24 12  12 52 39.425   -28 18 23.13  .05975 1.0609 156.8 21.5  21d  24
2018 04 24 13  12 52 54.548   -28 22 37.48  .05979 1.0610 156.8 21.5  21d  24
2018 04 24 14  12 53 09.676   -28 26 51.31  .05984 1.0610 156.7 21.5  21d  23
2018 04 24 15  12 53 24.808   -28 31 04.60  .05988 1.0610 156.7 21.5  21d  23
2018 04 24 16  12 53 39.945   -28 35 17.35  .05993 1.0611 156.7 21.5  22d  23
2018 04 24 17  12 53 55.087   -28 39 29.57  .05997 1.0611 156.7 21.5  22d  22
2018 04 24 18  12 54 10.233   -28 43 41.25  .06001 1.0612 156.7 21.5  22d  22
2018 04 24 19  12 54 25.383   -28 47 52.39  .06006 1.0612 156.7 21.5  22d  22
2018 04 24 20  12 54 40.537   -28 52 03.00  .06010 1.0613 156.6 21.5  22d  22
2018 04 24 21  12 54 55.696   -28 56 13.06  .06015 1.0613 156.6 21.5  23d  21
2018 04 24 22  12 55 10.859   -29 00 22.58  .06019 1.0614 156.6 21.5  23d  21
2018 04 24 23  12 55 26.025   -29 04 31.56  .06024 1.0614 156.6 21.5  23d  21
2018 04 25 00  12 55 41.196   -29 08 40.00  .06029 1.0615 156.6 21.5  23d  20
2018 04 25 01  12 55 56.370   -29 12 47.90  .06033 1.0615 156.6 21.5  23d  20
2018 04 25 02  12 56 11.548   -29 16 55.25  .06038 1.0615 156.5 21.5  23d  20