"Pseudo-MPEC" for C46MHD1
Created 2026 Oct 4 20:35:06 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
C46MHD1*1C2026 10 04.27492000 01 27.826-11 42 19.15 ~A475 18.35GVNEOCP703
C46MHD1 1C2026 10 04.27722000 01 31.289-11 43 14.92 ~A475 18.95GVNEOCP703
C46MHD1 1C2026 10 04.27952000 01 34.763-11 44 07.80 ~A475 18.65GVNEOCP703
C46MHD1 1C2026 10 04.28181400 01 38.215-11 45 02.30 ~A475 19.11GVNEOCP703
C46MHD1 1C2026 10 04.30020500 02 05.564-11 52 06.56 ~A47Z 18.42GVNEOCPI52
C46MHD1 1C2026 10 04.30037500 02 05.824-11 52 10.56 ~A47Z 18.45GVNEOCPI52
C46MHD1 1C2026 10 04.30054500 02 06.058-11 52 14.52 ~A47Z 18.16GVNEOCPI52
C46MHD1 1C2026 10 04.30071500 02 06.313-11 52 18.12 ~A47Z 18.45GVNEOCPI52
C46MHD1 1C2026 10 04.36999700 03 46.084-12 17 40.16 ~A49K 18.07GVNEOCPI52
C46MHD1 1C2026 10 04.37016700 03 46.336-12 17 43.33 ~A49K 18.19GVNEOCPI52
C46MHD1 1C2026 10 04.37033700 03 46.570-12 17 46.90 ~A49K 18.09GVNEOCPI52
C46MHD1 1C2026 10 04.37050700 03 46.786-12 17 50.46 ~A49K 18.14GVNEOCPI52
C46MHD1 KB2026 10 04.81756 00 13 45.85 -14 29 57.6 ~A4KZ 19.1 GXNEOCPM75
C46MHD1 KB2026 10 04.82447 00 13 52.44 -14 31 36.7 ~A4KZ 18.3 GXNEOCPM75
C46MHD1 KB2026 10 04.83124 00 13 58.88 -14 33 14.4 ~A4KZ 19.0 GXNEOCPM75
Station data:
(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.
(M75) Online observatory, Peschany (N45.742938 E39.511550) Russia.
Observer A. V. Skachedub. 0.28-m f/2.2 reflector + CMO.
Orbital elements: C46MHD1
Perihelion 2026 Aug 3.756853 +/- 0.0509 TT = 18:09:52.1 (JD 2461256.256853)
Epoch 2026 Oct 5.0 TT = JDT 2461318.5 Earth MOID: 0.0048 Ve: 0.0977
M 46.527506416 +/- 0.10 (J2000 ecliptic) AutoNEOCP
n 0.747512117 +/- 0.00114 Peri. 86.520051 +/- 0.039
a 1.202422860 +/- 0.00123 Node 189.728895 +/- 0.0009
e 0.42547484 +/- 0.000784 Incl. 14.135000 +/- 0.027
P 1.319/481.588d H 26.49 G 0.15 U 8.2
q 0.690822180 +/- 0.000303 Q 1.714023540 +/- 0.00268
From 15 observations 2026 Oct. 4 (13.4 hr); mean residual 0".31
Residuals in arcseconds: 261004 703 .21- 1.0+ 261004 I52 .22+ .06- 261004 I52 .05+ .11+ 261004 703 .21- .72- 261004 I52 .03- .14- 261004 I52 .30- .14+ 261004 703 .06+ .29+ 261004 I52 .04+ .15+ 261004 M75 .18- .36- 261004 703 .25+ .60- 261004 I52 .04- .32- 261004 M75 .12- .43+ 261004 I52 .08+ .06+ 261004 I52 .14+ .10+ 261004 M75 .30+ .07- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 10 04 21 00 14 40.784 -14 37 42.34 .02207 1.0210 159.8 19.2 0.99 162 2026 10 04 22 00 15 23.078 -14 47 10.04 .02242 1.0213 159.7 19.3 1.16 157 2026 10 04 23 00 16 04.114 -14 56 19.50 .02278 1.0216 159.5 19.3 1.34 153 2026 10 05 00 00 16 43.946 -15 05 11.56 .02313 1.0219 159.4 19.4 1.54 150 2026 10 05 01 00 17 22.626 -15 13 47.02 .02349 1.0222 159.3 19.4 1.74 147 2026 10 05 02 00 18 00.202 -15 22 06.60 .02385 1.0225 159.2 19.4 1.96 145 2026 10 05 03 00 18 36.720 -15 30 11.01 .02420 1.0228 159.1 19.5 2.19 143 2026 10 05 04 00 19 12.224 -15 38 00.91 .02456 1.0231 159.0 19.5 2.42 142 2026 10 05 05 00 19 46.755 -15 45 36.91 .02492 1.0234 158.9 19.5 2.67 141 2026 10 05 06 00 20 20.351 -15 52 59.61 .02527 1.0237 158.8 19.6 2.91 140 2026 10 05 07 00 20 53.051 -16 00 09.56 .02563 1.0240 158.7 19.6 3.16 139 2026 10 05 08 00 21 24.889 -16 07 07.29 .02599 1.0243 158.6 19.6 3.41 138 2026 10 05 09 00 21 55.898 -16 13 53.29 .02635 1.0247 158.5 19.7 3.67 138 2026 10 05 10 00 22 26.110 -16 20 28.03 .02671 1.0250 158.4 19.7 3.93 137 2026 10 05 11 00 22 55.554 -16 26 51.97 .02706 1.0253 158.3 19.7 4.19 136 2026 10 05 12 00 23 24.261 -16 33 05.52 .02742 1.0256 158.2 19.8 4.45 136 2026 10 05 13 00 23 52.255 -16 39 09.09 .02778 1.0259 158.1 19.8 4.71 136 2026 10 05 14 00 24 19.565 -16 45 03.06 .02814 1.0262 158.0 19.8 4.97 135 2026 10 05 15 00 24 46.213 -16 50 47.79 .02850 1.0265 157.9 19.9 5.23 135 2026 10 05 16 00 25 12.224 -16 56 23.63 .02886 1.0268 157.8 19.9 5.50 135 2026 10 05 17 00 25 37.620 -17 01 50.90 .02922 1.0271 157.7 19.9 5.76 135 2026 10 05 18 00 26 02.422 -17 07 09.92 .02958 1.0274 157.6 20.0 6.02 134 2026 10 05 19 00 26 26.651 -17 12 20.99 .02994 1.0277 157.5 20.0 6.28 134 2026 10 05 20 00 26 50.327 -17 17 24.39 .03030 1.0280 157.4 20.0 6.54 134 2026 10 05 21 00 27 13.467 -17 22 20.38 .03066 1.0283 157.3 20.0 6.80 134 2026 10 05 22 00 27 36.089 -17 27 09.23 .03102 1.0286 157.3 20.1 7.06 134 2026 10 05 23 00 27 58.212 -17 31 51.19 .03138 1.0289 157.2 20.1 7.32 133 2026 10 06 00 00 28 19.850 -17 36 26.49 .03174 1.0292 157.1 20.1 7.57 133 2026 10 06 01 00 28 41.020 -17 40 55.35 .03210 1.0295 157.0 20.2 7.82 133 2026 10 06 02 00 29 01.736 -17 45 17.98 .03246 1.0299 156.9 20.2 8.08 133 2026 10 06 03 00 29 22.013 -17 49 34.60 .03283 1.0302 156.9 20.2 8.33 133 2026 10 06 04 00 29 41.864 -17 53 45.40 .03319 1.0305 156.8 20.2 8.57 133 2026 10 06 05 00 30 01.303 -17 57 50.57 .03355 1.0308 156.7 20.3 8.82 133 2026 10 06 06 00 30 20.343 -18 01 50.29 .03391 1.0311 156.6 20.3 9.06 133 2026 10 06 07 00 30 38.994 -18 05 44.72 .03427 1.0314 156.6 20.3 9.31 132 2026 10 06 08 00 30 57.270 -18 09 34.05 .03464 1.0317 156.5 20.3 9.55 132 2026 10 06 09 00 31 15.181 -18 13 18.41 .03500 1.0320 156.4 20.4 9.78 132 2026 10 06 10 00 31 32.738 -18 16 57.97 .03536 1.0323 156.3 20.4 10.0 132 2026 10 06 11 00 31 49.951 -18 20 32.88 .03572 1.0326 156.3 20.4 10.3 132 2026 10 06 12 00 32 06.830 -18 24 03.26 .03608 1.0329 156.2 20.4 10.5 132 2026 10 06 13 00 32 23.385 -18 27 29.27 .03645 1.0332 156.1 20.5 10.7 132 2026 10 06 14 00 32 39.625 -18 30 51.02 .03681 1.0335 156.1 20.5 10.9 132 2026 10 06 15 00 32 55.559 -18 34 08.63 .03717 1.0338 156.0 20.5 11.2 132 2026 10 06 16 00 33 11.195 -18 37 22.24 .03754 1.0341 155.9 20.5 11.4 132 2026 10 06 17 00 33 26.542 -18 40 31.95 .03790 1.0344 155.9 20.6 11.6 132 2026 10 06 18 00 33 41.607 -18 43 37.88 .03826 1.0347 155.8 20.6 11.8 132 2026 10 06 19 00 33 56.398 -18 46 40.13 .03863 1.0350 155.8 20.6 12.0 132 2026 10 06 20 00 34 10.923 -18 49 38.80 .03899 1.0354 155.7 20.6 12.3 132