"Pseudo-MPEC" for A11CmCS

Created 2026 May 18 13:35:02 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

• Astrometry
• Observing stations
• Orbital elements
• Residuals
• Ephemeris
• Astrometry (from NEOCP, if available)
• 'Scout' (JPL) information
• NEOfixer information

 
 Astrometry: 
     A11CmCS*0C2026 05 13.27140515 35 57.401-45 30 35.32   ~5DI5 18.76cVNEOCPW68
     A11CmCS 0C2026 05 13.28948715 37 05.575-45 23 14.14   ~5DI5 18.18cVNEOCPW68
     A11CmCS 0C2026 05 13.29935315 37 42.605-45 19 12.58   ~5DI5 19.15cVNEOCPW68
     A11CmCS 0C2026 05 13.30448415 38 01.253-45 17 08.23   ~5DI5 18.04cVNEOCPW68
     A11CmCS 0C2026 05 13.31238115 38 30.535-45 13 54.26   ~5DI5 18.12cVNEOCPW68

Station data:
(W68) ATLAS Chile, Rio Hurtado  (S30.471010 W70.764980)  Chile.  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:  A11CmCS
   Perihelion 2026 Apr 6.585427 +/- 6.62 TT = 14:03:00.8 (JD 2461137.085427)
Epoch 2026 May 13.0 TT = JDT 2461173.5   Earth MOID: 0.0024   Ma: 0.0053
M  16.875104441 +/- 12              (J2000 ecliptic)             AutoNEOCP
n   0.463416237 +/- 0.274           Peri.  140.088348 +/- 12
a   1.653821187 +/- 0.653           Node    46.434409 +/- 7
e   0.44124703 +/- 0.23             Incl.    2.060157 +/- 1.3
P   2.127/776.825d         H 27.41  G  0.15   U 11.9
q 0.924077486 +/- 0.0219    Q 2.383564887 +/- 1.32
From 5 observations 2026 May 13 (59.0 min); mean residual 0".91

Residuals in arcseconds: 
260513 W68  .07+  .02-    260513 W68  2.0+  .46+    260513 W68  .30+  .21+    
260513 W68  .70-  .01-    260513 W68  1.7-  .64-    

Ephemerides (geocentric):
Date (UTC) HH   RA             Dec           delta  r     elong  mag " sig PA
---- --------  ------------   ------------  ------ ------ -----  --- --------
2026 05 18 14  16 57 17.220   -34 55 50.69  .03551 1.0443 157.0 21.3 419'  34
2026 05 18 15  16 57 24.686   -34 54 24.87  .03572 1.0445 157.1 21.3 421'  34
2026 05 18 16  16 57 32.052   -34 52 59.98  .03594 1.0447 157.1 21.3 422'  34
2026 05 18 17  16 57 39.319   -34 51 36.01  .03615 1.0449 157.1 21.4 423'  34
2026 05 18 18  16 57 46.491   -34 50 12.95  .03637 1.0452 157.1 21.4 425'  34
2026 05 18 19  16 57 53.568   -34 48 50.76  .03658 1.0454 157.2 21.4 426'  34
2026 05 18 20  16 58 00.552   -34 47 29.45  .03680 1.0456 157.2 21.4 427'  34
2026 05 18 21  16 58 07.444   -34 46 08.99  .03701 1.0458 157.2 21.4 428'  34
2026 05 18 22  16 58 14.247   -34 44 49.38  .03722 1.0460 157.2 21.4 430'  34
2026 05 18 23  16 58 20.963   -34 43 30.59  .03744 1.0462 157.3 21.4 431'  34
2026 05 19 00  16 58 27.591   -34 42 12.61  .03765 1.0464 157.3 21.4 432'  34
2026 05 19 01  16 58 34.135   -34 40 55.44  .03787 1.0467 157.3 21.5 433'  34
2026 05 19 02  16 58 40.595   -34 39 39.05  .03808 1.0469 157.4 21.5 434'  35
2026 05 19 03  16 58 46.973   -34 38 23.44  .03830 1.0471 157.4 21.5 435'  35
2026 05 19 04  16 58 53.271   -34 37 08.59  .03851 1.0473 157.4 21.5 437'  35
2026 05 19 05  16 58 59.489   -34 35 54.48  .03873 1.0475 157.5 21.5 438'  35
2026 05 19 06  16 59 05.629   -34 34 41.12  .03894 1.0477 157.5 21.5 439'  35
2026 05 19 07  16 59 11.693   -34 33 28.48  .03916 1.0479 157.5 21.5 440'  35
2026 05 19 08  16 59 17.681   -34 32 16.55  .03937 1.0482 157.5 21.5 441'  35
2026 05 19 09  16 59 23.595   -34 31 05.33  .03959 1.0484 157.6 21.5 442'  35
2026 05 19 10  16 59 29.436   -34 29 54.80  .03981 1.0486 157.6 21.6 443'  35
2026 05 19 11  16 59 35.206   -34 28 44.95  .04002 1.0488 157.6 21.6 444'  35
2026 05 19 12  16 59 40.905   -34 27 35.77  .04024 1.0490 157.7 21.6 445'  35
2026 05 19 13  16 59 46.535   -34 26 27.25  .04045 1.0492 157.7 21.6 446'  35
2026 05 19 14  16 59 52.096   -34 25 19.37  .04067 1.0495 157.7 21.6 447'  35
2026 05 19 15  16 59 57.590   -34 24 12.14  .04088 1.0497 157.7 21.6 448'  35
2026 05 19 16  17 00 03.019   -34 23 05.54  .04110 1.0499 157.8 21.6 449'  35
2026 05 19 17  17 00 08.382   -34 21 59.56  .04131 1.0501 157.8 21.6 450'  35
2026 05 19 18  17 00 13.681   -34 20 54.19  .04153 1.0503 157.8 21.6 451'  35
2026 05 19 19  17 00 18.917   -34 19 49.42  .04174 1.0505 157.9 21.7 452'  35
2026 05 19 20  17 00 24.092   -34 18 45.24  .04196 1.0508 157.9 21.7 453'  35
2026 05 19 21  17 00 29.205   -34 17 41.64  .04218 1.0510 157.9 21.7 454'  35
2026 05 19 22  17 00 34.258   -34 16 38.63  .04239 1.0512 158.0 21.7 455'  35
2026 05 19 23  17 00 39.252   -34 15 36.17  .04261 1.0514 158.0 21.7 456'  35
2026 05 20 00  17 00 44.188   -34 14 34.28  .04282 1.0516 158.0 21.7 457'  35
2026 05 20 01  17 00 49.066   -34 13 32.93  .04304 1.0518 158.0 21.7 458'  35
2026 05 20 02  17 00 53.888   -34 12 32.13  .04325 1.0521 158.1 21.7 459'  35
2026 05 20 03  17 00 58.654   -34 11 31.86  .04347 1.0523 158.1 21.7 460'  35
2026 05 20 04  17 01 03.365   -34 10 32.11  .04369 1.0525 158.1 21.8 461'  35
2026 05 20 05  17 01 08.023   -34 09 32.89  .04390 1.0527 158.2 21.8 462'  35
2026 05 20 06  17 01 12.627   -34 08 34.17  .04412 1.0529 158.2 21.8 462'  35
2026 05 20 07  17 01 17.179   -34 07 35.96  .04434 1.0532 158.2 21.8 463'  35
2026 05 20 08  17 01 21.679   -34 06 38.25  .04455 1.0534 158.3 21.8 464'  35
2026 05 20 09  17 01 26.128   -34 05 41.02  .04477 1.0536 158.3 21.8 465'  35
2026 05 20 10  17 01 30.527   -34 04 44.28  .04498 1.0538 158.3 21.8 466'  35
2026 05 20 11  17 01 34.877   -34 03 48.01  .04520 1.0540 158.4 21.8 467'  35
2026 05 20 12  17 01 39.178   -34 02 52.21  .04542 1.0543 158.4 21.8 468'  35
2026 05 20 13  17 01 43.431   -34 01 56.88  .04563 1.0545 158.4 21.8 468'  35