"Pseudo-MPEC" for C46MA21
Created 2026 Oct 3 1:35:06 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
C46MA21*1C2026 10 02.32717500 28 43.266+07 48 54.47 ~A28Z 20.43GVNEOCP703
C46MA21 1C2026 10 02.32944400 28 43.086+07 49 27.73 ~A28Z 19.99GVNEOCP703
C46MA21 1C2026 10 02.33171200 28 42.888+07 49 58.33 ~A28Z 19.97GVNEOCP703
C46MA21 1C2026 10 02.33397900 28 42.647+07 50 29.29 ~A28Z 20.22GVNEOCP703
C46MA21 1C2026 10 02.34600400 28 41.394+07 53 17.88 ~A28o 19.57GVNEOCP703
C46MA21 1C2026 10 02.34693000 28 41.214+07 53 30.84 ~A28o 19.46GVNEOCP703
C46MA21 1C2026 10 02.34776200 28 41.218+07 53 43.15 ~A28o 19.66GVNEOCP703
C46MA21 1C2026 10 02.41132800 28 35.461+08 08 34.94 ~A2A5 19.99GVNEOCP703
C46MA21 1C2026 10 02.41198700 28 35.339+08 08 43.87 ~A2A5 20.03GVNEOCP703
C46MA21 1C2026 10 02.41228400 28 35.389+08 08 48.26 ~A2A5 21.12GVNEOCP703
C46MA21 1C2026 10 02.41293600 28 35.234+08 08 56.33 ~A2A5 21.16GVNEOCP703
C46MA21 KB2026 10 02.90760 00 28 37.52 +10 10 35.5 ~A30o 19.5 GXNEOCPM45
C46MA21 KB2026 10 02.91384 00 28 36.93 +10 12 12.4 ~A30o 19.3 GXNEOCPM45
C46MA21 1C2026 10 02.92483400 28 37.14 +10 14 55.6 ~A2Mo 19.5 GVNEOCPK88
C46MA21 1C2026 10 02.92705600 28 36.94 +10 15 30.0 ~A2Mo 19.6 GVNEOCPK88
C46MA21 1C2026 10 02.92926900 28 36.73 +10 16 04.8 ~A2Mo 19.4 GVNEOCPK88
C46MA21 KB2026 10 02.96885 00 28 32.31 +10 26 26.1 ~A2No 19.2 GXNEOCPL04
C46MA21 KB2026 10 02.97826 00 28 31.49 +10 28 53.0 ~A2No 19.2 GXNEOCPL04
C46MA21 KB2026 10 03.00442 00 28 28.73 +10 35 45.3 ~A30o 19.3 GXNEOCPM45
C46MA21 KB2026 10 03.01476 00 28 27.88 +10 38 27.4 ~A30o 19.1 GXNEOCPM45
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.
(K88) GINOP-KHK, Piszkéstető (N47.917453 E19.893670) Hungary. Observer K.
Sárneczky. 0.60-m Schmidt + CCD.
(L04) ROASTERR-1 Observatory, Cluj-Napoca (N46.820952 E23.596400) Romania.
Observer L. Hudin. 0.1-m f/9 refractor + CCD.
(M45) Starhopper Observatory, Sfantu Gheorghe (N45.865494 E25.768890)
Romania. Observer F. Ursache. 0.41-m f/7.5 reflector + CMO.
Orbital elements: C46MA21
Perihelion 2026 Nov 20.159517 +/- 0.0687 TT = 3:49:42.2 (JD 2461364.659517)
Epoch 2026 Oct 3.0 TT = JDT 2461316.5 Earth MOID: 0.0213 Ma: 0.0912
M 328.035949197 +/- 0.07 (J2000 ecliptic) AutoNEOCP
n 0.663712036 +/- 0.00116 Peri. 57.328954 +/- 0.11
a 1.301616125 +/- 0.00151 Node 7.461091 +/- 0.0011
e 0.28023196 +/- 0.00116 Incl. 6.362311 +/- 0.017
P 1.485/542.394d H 26.83 G 0.15 U 8.2
q 0.936861675 +/- 0.000608 Q 1.666370575 +/- 0.0034
From 20 observations 2026 Oct. 2-3 (16.5 hr); mean residual 0".50
Residuals in arcseconds: 261002 703 .41- .77- 261002 703 .76+ .82+ 261002 K88 .15+ .42- 261002 703 .32+ .83+ 261002 703 .24- .48+ 261002 K88 .02+ .07- 261002 703 .78+ .22- 261002 703 .86+ .69+ 261002 L04 .38- .25+ 261002 703 .58+ .91- 261002 703 .64- .41- 261002 L04 .07- .11+ 261002 703 .22- .29- 261002 M45 .08+ .08- 261003 M45 .09+ .12+ 261002 703 1.5- .28- 261002 M45 .04- .05- 261003 M45 .12+ .15+ 261002 703 .25- .40+ 261002 K88 .13+ .23- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 10 03 02 00 28 33.809 +10 59 12.66 .03361 1.0341 172.6 20.1 .406 10 2026 10 03 03 00 28 33.083 +11 10 21.97 .03348 1.0339 172.4 20.1 .386 10 2026 10 03 04 00 28 32.350 +11 21 36.33 .03335 1.0338 172.3 20.1 .363 9 2026 10 03 05 00 28 31.611 +11 32 55.77 .03323 1.0336 172.1 20.1 .336 8 2026 10 03 06 00 28 30.863 +11 44 20.35 .03310 1.0335 171.9 20.1 .307 7 2026 10 03 07 00 28 30.109 +11 55 50.10 .03297 1.0333 171.7 20.1 .275 6 2026 10 03 08 00 28 29.347 +12 07 25.06 .03285 1.0332 171.5 20.1 .239 5 2026 10 03 09 00 28 28.578 +12 19 05.28 .03272 1.0330 171.4 20.1 .200 3 2026 10 03 10 00 28 27.801 +12 30 50.80 .03260 1.0329 171.2 20.1 .157 0 2026 10 03 11 00 28 27.016 +12 42 41.66 .03248 1.0327 171.0 20.1 .112 176 2026 10 03 12 00 28 26.224 +12 54 37.89 .03235 1.0326 170.8 20.1 .065 164 2026 10 03 13 00 28 25.423 +13 06 39.56 .03223 1.0324 170.6 20.1 .029 108 2026 10 03 14 00 28 24.615 +13 18 46.69 .03211 1.0323 170.4 20.1 .061 38 2026 10 03 15 00 28 23.799 +13 30 59.33 .03198 1.0321 170.2 20.1 .118 23 2026 10 03 16 00 28 22.975 +13 43 17.52 .03186 1.0320 170.0 20.0 .183 18 2026 10 03 17 00 28 22.142 +13 55 41.31 .03174 1.0318 169.8 20.0 .251 15 2026 10 03 18 00 28 21.301 +14 08 10.74 .03162 1.0317 169.6 20.0 .325 14 2026 10 03 19 00 28 20.452 +14 20 45.85 .03150 1.0315 169.5 20.0 .402 12 2026 10 03 20 00 28 19.594 +14 33 26.68 .03138 1.0314 169.3 20.0 .484 11 2026 10 03 21 00 28 18.727 +14 46 13.28 .03126 1.0312 169.1 20.0 .570 11 2026 10 03 22 00 28 17.852 +14 59 05.69 .03114 1.0311 168.8 20.0 .661 10 2026 10 03 23 00 28 16.967 +15 12 03.95 .03102 1.0309 168.6 20.0 .757 10 2026 10 04 00 00 28 16.074 +15 25 08.11 .03090 1.0308 168.4 20.0 .857 9 2026 10 04 01 00 28 15.172 +15 38 18.21 .03079 1.0306 168.2 20.0 .962 9 2026 10 04 02 00 28 14.260 +15 51 34.28 .03067 1.0305 168.0 20.0 1.07 8 2026 10 04 03 00 28 13.339 +16 04 56.39 .03055 1.0303 167.8 20.0 1.19 8 2026 10 04 04 00 28 12.408 +16 18 24.56 .03044 1.0302 167.6 20.0 1.31 8 2026 10 04 05 00 28 11.468 +16 31 58.84 .03032 1.0300 167.4 20.0 1.43 8 2026 10 04 06 00 28 10.518 +16 45 39.27 .03021 1.0299 167.2 20.0 1.56 7 2026 10 04 07 00 28 09.558 +16 59 25.89 .03009 1.0297 167.0 20.0 1.70 7 2026 10 04 08 00 28 08.588 +17 13 18.76 .02998 1.0296 166.7 20.0 1.84 7 2026 10 04 09 00 28 07.608 +17 27 17.90 .02986 1.0294 166.5 20.0 1.98 7 2026 10 04 10 00 28 06.618 +17 41 23.36 .02975 1.0293 166.3 20.0 2.13 6 2026 10 04 11 00 28 05.617 +17 55 35.18 .02964 1.0292 166.1 20.0 2.29 6 2026 10 04 12 00 28 04.605 +18 09 53.41 .02953 1.0290 165.8 20.0 2.45 6 2026 10 04 13 00 28 03.583 +18 24 18.08 .02941 1.0289 165.6 20.0 2.62 6 2026 10 04 14 00 28 02.550 +18 38 49.23 .02930 1.0287 165.4 20.0 2.80 6 2026 10 04 15 00 28 01.506 +18 53 26.91 .02919 1.0286 165.2 20.0 2.98 6 2026 10 04 16 00 28 00.451 +19 08 11.16 .02908 1.0284 164.9 20.0 3.17 6 2026 10 04 17 00 27 59.384 +19 23 02.01 .02897 1.0283 164.7 20.0 3.36 5 2026 10 04 18 00 27 58.306 +19 37 59.50 .02886 1.0281 164.5 20.0 3.56 5 2026 10 04 19 00 27 57.216 +19 53 03.68 .02876 1.0280 164.2 20.0 3.77 5 2026 10 04 20 00 27 56.114 +20 08 14.57 .02865 1.0278 164.0 20.0 3.98 5 2026 10 04 21 00 27 55.000 +20 23 32.23 .02854 1.0277 163.7 20.0 4.20 5 2026 10 04 22 00 27 53.874 +20 38 56.68 .02844 1.0275 163.5 20.0 4.43 5 2026 10 04 23 00 27 52.736 +20 54 27.97 .02833 1.0274 163.2 20.0 4.66 5 2026 10 05 00 00 27 51.585 +21 10 06.12 .02822 1.0272 163.0 20.0 4.90 5 2026 10 05 01 00 27 50.421 +21 25 51.18 .02812 1.0271 162.7 20.0 5.15 5