"Pseudo-MPEC" for C46HM51

Created 2026 Sep 9 12:35:07 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     C46HM51*1C2026 09 09.21898122 18 08.485-14 20 44.12   ~9965 18.71GVNEOCP703
     C46HM51 1C2026 09 09.22157922 18 08.885-14 20 42.18   ~9965 18.68GVNEOCP703
     C46HM51 1C2026 09 09.22417322 18 09.277-14 20 39.73   ~9965 18.90GVNEOCP703
     C46HM51 1C2026 09 09.22677022 18 09.659-14 20 37.25   ~9965 18.74GVNEOCP703
     C46HM51 1C2026 09 09.25152522 18 13.259-14 20 12.95   ~996o 18.54GVNEOCPI52
     C46HM51 1C2026 09 09.25389922 18 13.583-14 20 09.96   ~996o 18.56GVNEOCPI52
     C46HM51 1C2026 09 09.25627222 18 13.910-14 20 07.55   ~996o 18.39GVNEOCPI52
     C46HM51 1C2026 09 09.25864422 18 14.231-14 20 04.78   ~996o 18.62GVNEOCPI52
     C46HM51 !C2026 09 09.26191022 18 21.732-14 20 21.44   ~996Z 18.7 GWNEOCP673
     C46HM51 !C2026 09 09.26258122 18 21.828-14 20 20.76   ~996Z 18.7 GWNEOCP673
     C46HM51 !C2026 09 09.26324122 18 21.929-14 20 20.08   ~996Z 18.7 GWNEOCP673

Station data:
(673) Table Mountain Observatory, Wrightwood  (N34.381485 W117.682170)
   US/California.  Observers J. Chesley, J. Pittichova. Measurer W. M. Owen
   Jr. 0.61-m f/16 reflector + CCD.
(703) Catalina Sky Survey  (N32.417029 W110.732640)
   US/Arizona.  Observer E. J. Christensen. Measurers T. Beuden, V. F.
   Carvajal, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
   Gröller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
   Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchoś. 0.68 m Schmidt + 10K
   CCD.
(I52) Steward Observatory, Mt. Lemmon Station  (N32.442570 W110.788920)
   US/Arizona. Measurers T. Beuden, V. F. Carvajal, D. Fay, J. B. Fazekas, D.
   C. Fuls, A. R. Gibbs, A. D. Grauer, H. Gröller, J. K. Hogan, R. A.
   Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L. Seaman, F. C.
   Shelly, K. W. Wierzchoś. 1.0-m prime focus + CCD.

Orbital elements:  C46HM51
   Perihelion 2026 Oct 28.009962 +/- 3.85 TT =  0:14:20.7 (JD 2461341.509962)
Epoch 2026 Sep  9.0 TT = JDT 2461292.5   Earth MOID: 0.0001   Ma: 0.0232
M 324.403233408 +/- 19              (J2000 ecliptic)             AutoNEOCP
n   0.726316956 +/- 0.333           Peri.   52.608765 +/- 17
a   1.225703031 +/- 0.375           Node   349.893417 +/- 8
e   0.24411713 +/- 0.332            Incl.    0.411996 +/- 0.8
P   1.357/495.642d         H 28.43  G  0.15   U 12.0
q 0.926487920 +/- 0.123    Q 1.524918143 +/- 0.873
From 11 observations 2026 Sept. 9 (63.7 min); mean residual 0".12
Residuals in arcseconds: 
260909 703  .07-  .05+    260909 I52  .10+  .16-    260909 673  .10+  .13+    
260909 703  .02+  .19-    260909 I52  .01+  .14+    260909 673  .01-  .10+    
260909 703  .05+  .02+    260909 I52  .03-  .20-    260909 673  .02-  .08+    
260909 703  .01-  .20+    260909 I52  .14-  .22-    

Ephemerides (geocentric):
Date (UTC) HH   RA             Dec           delta  r     elong  mag " sig PA
---- --------  ------------   ------------  ------ ------ -----  --- --------
2026 09 09 13  22 20 53.199   -13 59 11.38  .00755 1.0145 165.1 18.7  401  62
2026 09 09 14  22 21 20.578   -13 57 46.93  .00742 1.0144 165.1 18.6  524  64
2026 09 09 15  22 21 48.942   -13 56 19.18  .00729 1.0143 165.2 18.6  666  65
2026 09 09 16  22 22 18.346   -13 54 47.94  .00716 1.0141 165.3 18.6  827  67
2026 09 09 17  22 22 48.849   -13 53 13.00  .00702 1.0140 165.3 18.5 1009  68
2026 09 09 18  22 23 20.511   -13 51 34.15  .00689 1.0139 165.4 18.5 1212  69
2026 09 09 19  22 23 53.400   -13 49 51.14  .00676 1.0137 165.5 18.4 1437  70
2026 09 09 20  22 24 27.589   -13 48 03.71  991725 1.0136 165.6 18.4 1685  70
2026 09 09 21  22 25 03.155   -13 46 11.57  972066 1.0135 165.7 18.3 1957  71
2026 09 09 22  22 25 40.183   -13 44 14.41  952409 1.0133 165.8 18.3 2255  71
2026 09 09 23  22 26 18.764   -13 42 11.90  932755 1.0132 165.9 18.2 2580  72
2026 09 10 00  22 26 58.998   -13 40 03.67  913104 1.0131 166.0 18.2 2932  72
2026 09 10 01  22 27 40.992   -13 37 49.32  893455 1.0129 166.1 18.1 3315  73
2026 09 10 02  22 28 24.864   -13 35 28.40  873811 1.0128 166.3 18.1 3729  73
2026 09 10 03  22 29 10.742   -13 33 00.44  854169 1.0126 166.4 18.0 4176  73
2026 09 10 04  22 29 58.767   -13 30 24.91  834532 1.0125 166.5 18.0 4659  73
2026 09 10 05  22 30 49.090   -13 27 41.21  814899 1.0124 166.7 17.9 5179  74
2026 09 10 06  22 31 41.881   -13 24 48.71  795271 1.0122 166.9 17.8 5740  74
2026 09 10 07  22 32 37.324   -13 21 46.69  775649 1.0121 167.0 17.8 6343  74
2026 09 10 08  22 33 35.624   -13 18 34.36  756031 1.0120 167.2 17.7 6992  74
2026 09 10 09  22 34 37.004   -13 15 10.82  736420 1.0118 167.4 17.7 7691  74
2026 09 10 10  22 35 41.715   -13 11 35.11  716817 1.0117 167.6 17.6 8443  74
2026 09 10 11  22 36 50.034   -13 07 46.11  697220 1.0116 167.8 17.5 9252  74
2026 09 10 12  22 38 02.268   -13 03 42.59  677633 1.0114 168.0 17.5 169'  75
2026 09 10 13  22 39 18.761   -12 59 23.15  658055 1.0113 168.3 17.4 184'  75
2026 09 10 14  22 40 39.898   -12 54 46.22  638488 1.0112 168.5 17.3 201'  75
2026 09 10 15  22 42 06.113   -12 49 50.02  618932 1.0110 168.8 17.2 219'  75
2026 09 10 16  22 43 37.892   -12 44 32.50  599390 1.0109 169.1 17.1 239'  75
2026 09 10 17  22 45 15.788   -12 38 51.35  579864 1.0108 169.4 17.1 260'  75
2026 09 10 18  22 47 00.425   -12 32 43.91  560354 1.0106 169.7 17.0 283'  75
2026 09 10 19  22 48 52.518   -12 26 07.11  540864 1.0105 170.1 16.9 308'  75
2026 09 10 20  22 50 52.883   -12 18 57.38  521396 1.0104 170.4 16.8 335'  75
2026 09 10 21  22 53 02.459   -12 11 10.60  501954 1.0102 170.8 16.7 365'  75
2026 09 10 22  22 55 22.327   -12 02 41.92  482540 1.0101 171.2 16.6 397'  75
2026 09 10 23  22 57 53.747   -11 53 25.66  463160 1.0099 171.7 16.5 432'  75
2026 09 11 00  23 00 38.183   -11 43 15.10  443819 1.0098 172.1 16.4 470'  75
2026 09 11 01  23 03 37.356   -11 32 02.22  424523 1.0097 172.6 16.2 512'  75
2026 09 11 02  23 06 53.295   -11 19 37.44  405280 1.0095 173.1 16.1 559'  74
2026 09 11 03  23 10 28.406   -11 05 49.17  386099 1.0094 173.5 16.0 611'  74
2026 09 11 04  23 14 25.567   -10 50 23.37  366991 1.0093 173.9 15.9 668'  74
2026 09 11 05  23 18 48.238   -10 33 02.83  347970 1.0091 174.1 15.7 732'  74
2026 09 11 06  23 23 40.609   -10 13 26.31  329054 1.0090 174.2 15.6 803'  74
2026 09 11 07  23 29 07.796   -09 51 07.42  310264 1.0089 174.0 15.5 884'  74
2026 09 11 08  23 35 16.088   -09 25 33.07  291628 1.0087 173.4 15.4 976'  74
2026 09 11 09  23 42 13.273   -08 56 01.48  273181 1.0086 172.4 15.3  18d  73
2026 09 11 10  23 50 09.067   -08 21 39.52  254969 1.0084 171.0 15.2  20d  73
2026 09 11 11  23 59 15.664   -07 41 19.35  237051 1.0083 169.1 15.1  22d  73
2026 09 11 12  00 09 48.430   -06 53 34.10  219506 1.0082 166.8 15.0  25d  72