"Pseudo-MPEC" for ZAA0B68

Created 2018 Feb 25 15:18:09 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     ZAA0B68  C2018 01 15.35362 10 40 55.64 +07 17 49.5          21.1 GUNEOCPG96
     ZAA0B68  C2018 01 15.35877 10 40 55.11 +07 16 38.4          21.4 GUNEOCPG96
     ZAA0B68  C2018 01 15.36392 10 40 54.54 +07 15 24.7          21.7 GUNEOCPG96
     ZAA0B68  C2018 01 15.36907 10 40 53.97 +07 14 12.6          21.5 GUNEOCPG96
     ZAA0B68  C2018 01 15.47800 10 40 41.89 +06 48 33.2          21.4 GUNEOCPG96
     ZAA0B68  C2018 01 15.47951 10 40 41.73 +06 48 11.4          21.4 GUNEOCPG96
     ZAA0B68  C2018 01 15.48026 10 40 41.60 +06 48 00.9                UNEOCPG96
     ZAA0B68  C2018 01 15.53576 10 40 35.53 +06 34 47.4          22.8 GUNEOCPG96
     ZAA0B68  C2018 01 15.53651 10 40 35.41 +06 34 37.6                UNEOCPG96
     ZAA0B68  C2018 01 15.53726 10 40 35.34 +06 34 27.8          22.4 GUNEOCPG96
     ZAA0B68  C2018 01 15.53802 10 40 35.27 +06 34 16.0          21.2 GUNEOCPG96

Station data:
(G96) Mt. Lemmon Survey  (N32.442751 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:  ZAA0B68
   Perihelion 2018 Mar 17.696933 +/- 13 TT = 16:43:35 (JD 2458195.196933)
Epoch 2018 Jan 15.0 TT = JDT 2458133.5   Earth MOID: 0.0851   Ma: 0.0909
M 322.67364 +/- 25                  (J2000 ecliptic)          AutoNEOCP
n   0.60499527 +/- 0.24             Peri.  254.81462 +/- 12
a   1.38452689 +/- 0.366            Node   299.65930 +/- 1.5
e   0.3724838 +/- 0.174             Incl.   30.33838 +/- 10
P   1.63/595.03d           H 24.6   G  0.15   U 11.8  
q 0.86881292 +/- 0.0422    Q 1.90024085 +/- 0.63
From 11 observations 2018 Jan. 15 (4.4 hr); mean residual 0".41
Residuals in arcseconds: 
180115 G96  .15-  .18-    180115 G96  .15+  .20+    180115 G96  .27-  .03-    
180115 G96  .23+  .93+    180115 G96  .27+  .11-    180115 G96  .10-  .92+    
180115 G96  .04+  .51-    180115 G96  .42-  .06+    180115 G96  .08+  .00     
180115 G96  .12-  .31-    180115 G96  .30+  .97-    

Ephemerides (geocentric):
Date (UTC) HH   RA              Dec         delta   r     elong  mag " sig PA
---- -- -- --  ------------   ------------  ------ ------ -----  --- ---- ---
2018 02 25 15  00 11 12.036   -72 11 43.98  .37569 .89729  64.9 25.5 3918 170
2018 02 25 16  00 11 03.202   -72 10 19.90  .37607 .89718  64.8 25.5 3914 170
2018 02 25 17  00 10 54.398   -72 08 55.88  .37644 .89706  64.8 25.5 3909 170
2018 02 25 18  00 10 45.626   -72 07 31.92  .37681 .89695  64.8 25.5 3905 170
2018 02 25 19  00 10 36.884   -72 06 08.03  .37719 .89683  64.8 25.6 3901 170
2018 02 25 20  00 10 28.172   -72 04 44.19  .37756 .89672  64.8 25.6 3896 170
2018 02 25 21  00 10 19.490   -72 03 20.42  .37793 .89661  64.8 25.6 3892 170
2018 02 25 22  00 10 10.838   -72 01 56.71  .37831 .89649  64.7 25.6 3887 170
2018 02 25 23  00 10 02.216   -72 00 33.06  .37868 .89638  64.7 25.6 3883 170
2018 02 26 00  00 09 53.623   -71 59 09.47  .37905 .89627  64.7 25.6 3879 170
2018 02 26 01  00 09 45.060   -71 57 45.94  .37943 .89615  64.7 25.6 3874 170
2018 02 26 02  00 09 36.526   -71 56 22.47  .37980 .89604  64.7 25.6 3870 170
2018 02 26 03  00 09 28.022   -71 54 59.06  .38017 .89593  64.7 25.6 3865 170
2018 02 26 04  00 09 19.546   -71 53 35.71  .38054 .89582  64.7 25.6 3861 170
2018 02 26 05  00 09 11.099   -71 52 12.41  .38092 .89570  64.6 25.6 3856 170
2018 02 26 06  00 09 02.680   -71 50 49.18  .38129 .89559  64.6 25.6 3852 171
2018 02 26 07  00 08 54.290   -71 49 26.00  .38166 .89548  64.6 25.6 3847 171
2018 02 26 08  00 08 45.928   -71 48 02.88  .38203 .89537  64.6 25.6 3843 171
2018 02 26 09  00 08 37.595   -71 46 39.82  .38240 .89526  64.6 25.6 3838 171
2018 02 26 10  00 08 29.289   -71 45 16.82  .38277 .89515  64.6 25.6 3834 171
2018 02 26 11  00 08 21.011   -71 43 53.88  .38315 .89504  64.5 25.6 3829 171
2018 02 26 12  00 08 12.761   -71 42 30.99  .38352 .89493  64.5 25.6 3825 171
2018 02 26 13  00 08 04.539   -71 41 08.15  .38389 .89482  64.5 25.6 3820 171
2018 02 26 14  00 07 56.343   -71 39 45.38  .38426 .89471  64.5 25.6 3816 171
2018 02 26 15  00 07 48.175   -71 38 22.66  .38463 .89460  64.5 25.6 3811 171
2018 02 26 16  00 07 40.034   -71 36 59.99  .38500 .89449  64.5 25.6 3807 171
2018 02 26 17  00 07 31.920   -71 35 37.38  .38537 .89438  64.5 25.6 3802 171
2018 02 26 18  00 07 23.833   -71 34 14.83  .38574 .89427  64.4 25.6 3797 171
2018 02 26 19  00 07 15.773   -71 32 52.33  .38611 .89416  64.4 25.6 3793 171
2018 02 26 20  00 07 07.739   -71 31 29.88  .38648 .89405  64.4 25.6 3788 171
2018 02 26 21  00 06 59.731   -71 30 07.49  .38686 .89394  64.4 25.6 3784 171
2018 02 26 22  00 06 51.750   -71 28 45.15  .38723 .89383  64.4 25.6 3779 171
2018 02 26 23  00 06 43.795   -71 27 22.87  .38760 .89372  64.4 25.6 3774 171
2018 02 27 00  00 06 35.865   -71 26 00.64  .38797 .89362  64.4 25.6 3770 172
2018 02 27 01  00 06 27.962   -71 24 38.46  .38834 .89351  64.3 25.6 3765 172
2018 02 27 02  00 06 20.084   -71 23 16.33  .38870 .89340  64.3 25.6 3760 172
2018 02 27 03  00 06 12.232   -71 21 54.26  .38907 .89329  64.3 25.6 3756 172
2018 02 27 04  00 06 04.405   -71 20 32.24  .38944 .89319  64.3 25.6 3751 172
2018 02 27 05  00 05 56.603   -71 19 10.27  .38981 .89308  64.3 25.6 3746 172
2018 02 27 06  00 05 48.827   -71 17 48.36  .39018 .89297  64.3 25.6 3742 172
2018 02 27 07  00 05 41.075   -71 16 26.49  .39055 .89287  64.2 25.6 3737 172
2018 02 27 08  00 05 33.349   -71 15 04.67  .39092 .89276  64.2 25.6 3732 172
2018 02 27 09  00 05 25.647   -71 13 42.91  .39129 .89265  64.2 25.6 3728 172
2018 02 27 10  00 05 17.970   -71 12 21.20  .39166 .89255  64.2 25.6 3723 172
2018 02 27 11  00 05 10.318   -71 10 59.53  .39203 .89244  64.2 25.6 3718 172
2018 02 27 12  00 05 02.690   -71 09 37.92  .39240 .89234  64.2 25.6 3713 172
2018 02 27 13  00 04 55.086   -71 08 16.36  .39276 .89223  64.2 25.6 3709 172
2018 02 27 14  00 04 47.506   -71 06 54.84  .39313 .89213  64.1 25.6 3704 172