"Pseudo-MPEC" for A11DIrC

Created 2026 Jun 17 18:35:02 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     A11DIrC*0C2026 06 17.43699416 34 54.353+11 53 38.87   ~6HFo 17.92cVNEOCPT08
     A11DIrC 0C2026 06 17.44027016 34 05.398+11 53 00.10   ~6HFo 17.62cVNEOCPT08
     A11DIrC 0C2026 06 17.44551316 32 45.607+11 51 56.30   ~6HFo 17.66cVNEOCPT08
     A11DIrC 0C2026 06 17.45988516 29 01.637+11 48 47.02   ~6HFo 17.25cVNEOCPT08

Station data:
(T08) ATLAS-MLO, Mauna Loa  (N19.536150 W155.576050)  US/Hawaii.  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:  A11DIrC
   Perihelion 2026 Aug 17.138872 +/- 19.8 TT =  3:19:58.5 (JD 2461269.638872)
Epoch 2026 Jun 17.0 TT = JDT 2461208.5   Earth MOID: 0.0001   Me: 0.0492
M 281.747326827 +/- 40              (J2000 ecliptic)             AutoNEOCP
n   1.279916851 +/- 0.635           Peri.  322.223257 +/- 15
a   0.840133323 +/- 0.278           Node    86.201255 +/- 0.17
e   0.61598674 +/- 0.238            Incl.   32.202993 +/- 16
P   0.770/281.263d         H 26.17  G  0.15   U 12.4  SR
q 0.322622335 +/- 0.126    Q 1.357644311 +/- 16.8
From 4 observations 2026 June 17 (33.0 min); mean residual 3".93
Residuals in arcseconds: 
260617 T08  7.1-  .40-    260617 T08  7.2+  .67+    
260617 T08  3.2+  .00     260617 T08  3.2-  .26-    

Ephemerides (geocentric):
Date (UTC) HH   RA             Dec           delta  r     elong  mag " sig PA
---- --------  ------------   ------------  ------ ------ -----  --- --------
2026 06 17 19  14 38 13.998   +08 59 36.03  .00707 1.0200 124.3 17.5 223'  99
2026 06 17 20  14 21 00.684   +08 20 17.37  .00697 1.0196 121.2 17.5 293' 100
2026 06 17 21  14 03 27.713   +07 37 13.21  .00691 1.0192 117.9 17.6 368' 101
2026 06 17 22  13 45 47.067   +06 51 00.18  .00690 1.0188 114.5 17.7 445' 101
2026 06 17 23  13 28 11.262   +06 02 26.03  .00692 1.0185 111.0 17.8 517' 102
2026 06 18 00  13 10 52.475   +05 12 25.64  .00699 1.0181 107.5 18.0 581' 102
2026 06 18 01  12 54 01.736   +04 21 56.04  .00709 1.0177 104.0 18.1 635' 102
2026 06 18 02  12 37 48.298   +03 31 51.43  .00724 1.0173 100.7 18.3 676' 102
2026 06 18 03  12 22 19.277   +02 42 59.24  .00742 1.0170  97.5 18.4 706' 102
2026 06 18 04  12 07 39.554   +01 55 57.58  .00763 1.0166  94.4 18.6 726' 102
2026 06 18 05  11 53 51.911   +01 11 14.31  .00788 1.0162  91.5 18.8 738' 102
2026 06 18 06  11 40 57.311   +00 29 07.43  .00815 1.0158  88.8 19.0 743' 102
2026 06 18 07  11 28 55.259   -00 10 13.70  .00845 1.0155  86.2 19.2 744' 101
2026 06 18 08  11 17 44.166   -00 46 46.71  .00877 1.0151  83.9 19.3 741' 101
2026 06 18 09  11 07 21.689   -01 20 34.45  .00911 1.0147  81.7 19.5 735' 101
2026 06 18 10  10 57 45.013   -01 51 43.42  .00947 1.0143  79.7 19.7 728' 101
2026 06 18 11  10 48 51.075   -02 20 22.49  .00985 1.0140  77.8 19.9 719' 101
2026 06 18 12  10 40 36.734   -02 46 41.78  .01024 1.0136  76.1 20.0 710' 100
2026 06 18 13  10 32 58.883   -03 10 51.98  .01064 1.0132  74.5 20.2 700' 100
2026 06 18 14  10 25 54.534   -03 33 03.76  .01105 1.0128  73.0 20.4 690' 100
2026 06 18 15  10 19 20.862   -03 53 27.48  .01148 1.0125  71.6 20.5 680' 100
2026 06 18 16  10 13 15.234   -04 12 12.88  .01191 1.0121  70.4 20.7 671' 100
2026 06 18 17  10 07 35.220   -04 29 29.05  .01235 1.0117  69.2 20.8 662' 100
2026 06 18 18  10 02 18.594   -04 45 24.35  .01280 1.0113  68.1 21.0 653'  99
2026 06 18 19  09 57 23.323   -05 00 06.38  .01325 1.0109  67.1 21.1 644'  99
2026 06 18 20  09 52 47.563   -05 13 42.03  .01371 1.0106  66.2 21.2 636'  99
2026 06 18 21  09 48 29.641   -05 26 17.54  .01418 1.0102  65.3 21.4 628'  99
2026 06 18 22  09 44 28.045   -05 37 58.49  .01465 1.0098  64.5 21.5 620'  99
2026 06 18 23  09 40 41.406   -05 48 49.92  .01513 1.0094  63.7 21.6 613'  99
2026 06 19 00  09 37 08.488   -05 58 56.32  .01560 1.0091  63.0 21.7 606'  99
2026 06 19 01  09 33 48.175   -06 08 21.75  .01609 1.0087  62.3 21.8 600'  99
2026 06 19 02  09 30 39.454   -06 17 09.83  .01657 1.0083  61.7 21.9 593'  98
2026 06 19 03  09 27 41.414   -06 25 23.81  .01706 1.0079  61.1 22.0 588'  98
2026 06 19 04  09 24 53.225   -06 33 06.61  .01755 1.0075  60.5 22.1 582'  98
2026 06 19 05  09 22 14.138   -06 40 20.86  .01805 1.0072  60.0 22.2 577'  98
2026 06 19 06  09 19 43.471   -06 47 08.92  .01854 1.0068  59.5 22.3 571'  98
2026 06 19 07  09 17 20.606   -06 53 32.91  .01904 1.0064  59.0 22?? 567'  98
2026 06 19 08  09 15 04.979   -06 59 34.75  .01954 1.0060  58.6 22?? 562'  98
2026 06 19 09  09 12 56.078   -07 05 16.18  .02005 1.0056  58.1 22?? 558'  98
2026 06 19 10  09 10 53.434   -07 10 38.76  .02055 1.0052  57.7 22?? 553'  98
2026 06 19 11  09 08 56.620   -07 15 43.91  .02106 1.0049  57.3 22?? 549'  98
2026 06 19 12  09 07 05.245   -07 20 32.93  .02156 1.0045  57.0 22?? 545'  98
2026 06 19 13  09 05 18.951   -07 25 06.98  .02207 1.0041  56.6 22?? 542'  98
2026 06 19 14  09 03 37.408   -07 29 27.12  .02258 1.0037  56.3 23?? 538'  98
2026 06 19 15  09 02 00.314   -07 33 34.34  .02309 1.0033  55.9 23?? 535'  97
2026 06 19 16  09 00 27.393   -07 37 29.52  .02361 1.0030  55.6 23?? 532'  97
2026 06 19 17  08 58 58.387   -07 41 13.46  .02412 1.0026  55.3 23?? 529'  97
2026 06 19 18  08 57 33.060   -07 44 46.92  .02463 1.0022  55.1 23?? 526'  97