"Pseudo-MPEC" for A11D0Xd

Created 2026 Jun 1 8:35:02 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     A11D0Xd*0C2026 05 30.02478720 15 01.217-44 59 43.87   ~5U7Z 18.49oVNEOCPM22
     A11D0Xd 0C2026 05 30.02659020 14 58.030-44 59 36.64   ~5U7Z 18.32oVNEOCPM22
     A11D0Xd 0C2026 05 30.02945220 14 52.618-44 59 24.00   ~5U7Z 18.77oVNEOCPM22
     A11D0Xd 0C2026 05 30.03949720 14 34.054-44 58 39.94   ~5U7Z 17.90oVNEOCPM22

Station data:
(M22) ATLAS South Africa, Sutherland  (S32.380156 E20.810590)  South Africa.
   Observers L. Denneau, R. Siverd, J. Tonry, H. Weiland. Measurers L.
   Denneau, N. Erasmus, A. Fitzsimmons, J. Robinson, R. Siverd, J. Tonry, H.
   Weiland. 0.5-m f/2.0 Schmidt + CCD.

Orbital elements:  A11D0Xd
   Perihelion 2026 Aug 19.305936 +/- 67.5 TT =  7:20:32.8 (JD 2461271.805936)
Epoch 2026 May 30.0 TT = JDT 2461190.5   Earth MOID: 0.0457      AutoNEOCP
M 271.698113991 +/- 90              (J2000 ecliptic)
n   1.086044767 +/- 0.727           Peri.  131.155815 +/- 70
a   0.937355281 +/- 0.419           Node   251.741240 +/- 34
e   0.43430930 +/- 0.189            Incl.  101.323096 +/- 39
P   0.908/331.472d         H 21.50  G  0.15   U 12.5  SR
q 0.530253165 +/- 0.283    Q 1.344457398 +/- 17.8
From 4 observations 2026 May 30 (21.2 min); mean residual 0".43
Residuals in arcseconds: 
260530 M22  .55-  .29+    260530 M22  .40-  .06-    
260530 M22  .94+  .28-    260530 M22  .01+  .05+    

Ephemerides (geocentric):
Date (UTC) HH   RA             Dec           delta  r     elong  mag " sig PA
---- --------  ------------   ------------  ------ ------ -----  --- --------
2026 06 01 09  18 21 47.577   -35 56 03.70  .06396 1.0714 153.1 16.8  47d  52
2026 06 01 10  18 18 49.747   -35 33 36.04  .06328 1.0711 153.8 16.8  48d  52
2026 06 01 11  18 15 49.779   -35 10 22.48  .06261 1.0708 154.6 16.8  48d  53
2026 06 01 12  18 12 47.698   -34 46 21.85  .06194 1.0706 155.3 16.7  48d  53
2026 06 01 13  18 09 43.531   -34 21 32.98  .06129 1.0703 156.1 16.7  49d  53
2026 06 01 14  18 06 37.311   -33 55 54.74  .06065 1.0700 156.9 16.6  49d  53
2026 06 01 15  18 03 29.073   -33 29 26.03  .06002 1.0698 157.7 16.6  49d  53
2026 06 01 16  18 00 18.857   -33 02 05.76  .05940 1.0695 158.6 16.5  49d  53
2026 06 01 17  17 57 06.706   -32 33 52.91  .05880 1.0692 159.4 16.5  50d  53
2026 06 01 18  17 53 52.666   -32 04 46.52  .05821 1.0690 160.3 16.4  50d  54
2026 06 01 19  17 50 36.790   -31 34 45.66  .05762 1.0687 161.2 16.4  50d  54
2026 06 01 20  17 47 19.132   -31 03 49.51  .05706 1.0684 162.0 16.3  51d  54
2026 06 01 21  17 43 59.751   -30 31 57.31  .05650 1.0682 163.0 16.3  51d  54
2026 06 01 22  17 40 38.711   -29 59 08.37  .05596 1.0679 163.9 16.2  51d  54
2026 06 01 23  17 37 16.078   -29 25 22.14  .05544 1.0676 164.8 16.2  52d  54
2026 06 02 00  17 33 51.922   -28 50 38.15  .05493 1.0674 165.8 16.1  52d  54
2026 06 02 01  17 30 26.319   -28 14 56.07  .05443 1.0671 166.7 16.1  52d  55
2026 06 02 02  17 26 59.346   -27 38 15.70  .05395 1.0668 167.7 16.0  52d  55
2026 06 02 03  17 23 31.086   -27 00 36.96  .05349 1.0666 168.7 16.0  53d  55
2026 06 02 04  17 20 01.622   -26 21 59.96  .05304 1.0663 169.7 15.9  53d  55
2026 06 02 05  17 16 31.044   -25 42 24.94  .05261 1.0660 170.7 15.8  53d  55
2026 06 02 06  17 12 59.443   -25 01 52.33  .05219 1.0658 171.8 15.8  54d  55
2026 06 02 07  17 09 26.912   -24 20 22.73  .05180 1.0655 172.8 15.7  54d  55
2026 06 02 08  17 05 53.549   -23 37 56.95  .05142 1.0652 173.8 15.7  54d  56
2026 06 02 09  17 02 19.452   -22 54 35.98  .05106 1.0650 174.7 15.6  54d  56
2026 06 02 10  16 58 44.723   -22 10 21.00  .05072 1.0647 175.7 15.5  55d  56
2026 06 02 11  16 55 09.464   -21 25 13.43  .05040 1.0644 176.4 15.5  55d  56
2026 06 02 12  16 51 33.781   -20 39 14.87  .05010 1.0641 177.0 15.4  55d  56
2026 06 02 13  16 47 57.779   -19 52 27.15  .04982 1.0639 177.1 15.4  55d  56
2026 06 02 14  16 44 21.564   -19 04 52.30  .04956 1.0636 176.8 15.4  56d  56
2026 06 02 15  16 40 45.245   -18 16 32.56  .04931 1.0633 176.1 15.4  56d  56
2026 06 02 16  16 37 08.928   -17 27 30.36  .04909 1.0631 175.2 15.5  56d  56
2026 06 02 17  16 33 32.722   -16 37 48.36  .04890 1.0628 174.1 15.5  56d  57
2026 06 02 18  16 29 56.733   -15 47 29.36  .04872 1.0625 173.0 15.6  56d  57
2026 06 02 19  16 26 21.069   -14 56 36.39  .04856 1.0623 171.9 15.6  57d  57
2026 06 02 20  16 22 45.835   -14 05 12.58  .04843 1.0620 170.7 15.7  57d  57
2026 06 02 21  16 19 11.135   -13 13 21.27  .04832 1.0617 169.5 15.7  57d  57
2026 06 02 22  16 15 37.072   -12 21 05.88  .04823 1.0614 168.3 15.7  57d  57
2026 06 02 23  16 12 03.748   -11 28 29.97  .04816 1.0612 167.1 15.8  57d  57
2026 06 03 00  16 08 31.261   -10 35 37.18  .04812 1.0609 165.8 15.8  57d  57
2026 06 03 01  16 04 59.708   -09 42 31.23  .04810 1.0606 164.6 15.9  58d  57
2026 06 03 02  16 01 29.182   -08 49 15.88  .04810 1.0604 163.3 15.9  58d  57
2026 06 03 03  15 57 59.775   -07 55 54.92  .04812 1.0601 162.1 15.9  58d  57
2026 06 03 04  15 54 31.574   -07 02 32.13  .04817 1.0598 160.8 16.0  58d  57
2026 06 03 05  15 51 04.665   -06 09 11.30  .04824 1.0596 159.6 16.0  58d  57
2026 06 03 06  15 47 39.128   -05 15 56.13  .04833 1.0593 158.3 16.1  58d  57
2026 06 03 07  15 44 15.041   -04 22 50.31  .04844 1.0590 157.1 16.1  58d  57
2026 06 03 08  15 40 52.479   -03 29 57.41  .04857 1.0587 155.8 16.2  58d  57