"Pseudo-MPEC" for C4654A1
Created 2026 Mar 29 18:35:19 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
C4654A1*1C2026 03 28.21606412 08 02.742+22 04 15.06 ~3S5Z 17.77GVNEOCP703
C4654A1 1C2026 03 28.22074612 08 34.494+22 01 15.17 ~3S5Z 17.59GVNEOCP703
C4654A1 1C2026 03 28.22308012 08 50.032+21 59 46.10 ~3S5Z 17.49GVNEOCP703
C4654A1 1C2026 03 28.24424312 11 08.891+21 45 05.40 ~3S6K 17.86GVNEOCP703
C4654A1 1C2026 03 28.24872012 11 37.300+21 41 48.00 ~3S6K VNEOCP703
C4654A1 1C2026 03 28.25096512 11 51.380+21 40 08.70 ~3S6Kx17.80GVNEOCP703
C4654A1 1C2026 03 28.27491412 14 22.880+21 20 42.76 ~3S75 18.21GVNEOCPI52
C4654A1 1C2026 03 28.27521612 14 24.767+21 20 27.17 ~3S75 18.13GVNEOCPI52
C4654A1 1C2026 03 28.27551712 14 26.628+21 20 11.72 ~3S75 17.70GVNEOCPI52
C4654A1 1C2026 03 28.27582012 14 28.518+21 19 56.46 ~3S75 17.39GVNEOCPI52
C4654A1 |C2026 03 28.30411012 07 05.320+24 40 41.10 ~3S7o 18.4 GVNEOCP807
C4654A1 KC2026 03 28.30486512 11 53.85 +20 16 39.2 ~3S7o 17.9 GVNEOCPH21
C4654A1 |C2026 03 28.30566212 07 16.740+24 38 49.80 ~3S7o 18.0 GVNEOCP807
C4654A1 KC2026 03 28.30592612 12 01.33 +20 15 27.0 ~3S7o 17.7 GVNEOCPH21
C4654A1 KC2026 03 28.30699012 12 08.84 +20 14 14.2 ~3S7o 17.8 GVNEOCPH21
C4654A1 |C2026 03 28.30721012 07 28.250+24 36 57.90 ~3S7o 17.3 GVNEOCP807
C4654A1 KC2026 03 28.30805212 12 16.34 +20 13 01.5 ~3S7o 17.7 GVNEOCPH21
C4654A1 |C2026 03 28.30875012 07 39.840+24 35 05.40 ~3S7o 18.3 GVNEOCP807
C4654A1 KC2026 03 28.30911512 12 23.88 +20 11 48.4 ~3S7o 17.7 GVNEOCPH21
C4654A1 |C2026 03 28.31030012 07 51.480+24 33 12.40 ~3S7o 17.9 GVNEOCP807
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.
(807) Cerro Tololo Observatory, La Serena (S30.169133 W70.805900) Chile.
Observer R. Holmes. 0.61-m f/6.5 astrograph + CCD.
(H21) Astronomical Research Observatory, Westfield (N39.483054 W87.968270)
US/Illinois. Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T.
Linder, R. Holmes. 0.40-m f/5.32 astrograph + 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: C4654A1
Perigee 2026 Mar 27.595889 +/- 0.00181 TT = 14:18:04.8 (JD 2461127.095889)
Epoch 2026 Mar 28.0 TT = JDT 2461127.5 AutoNEOCP
M 115.798399851 +/- 0.44 (J2000 equator)
n 286.551172499 +/- 0.172 Peri. 304.973278 +/- 0.06
a 49181.53125 +/- 19.7 Node 52.062202 +/- 0.0042
e 0.84230759 +/- 2.39e-5 Incl. 28.290577 +/- 0.0015
P1809.067m/1.256d H 33.18 G 0.15 U 11.6
q 7755.554156 +/- 3.43 Q 90607.50836 +/- 36.3
19 of 20 observations 2026 Mar. 28 (2.3 hr); mean residual 0".80
Residuals in arcseconds: 260328 703 .69- .97- 260328 I52 .27+ .68+ 260328 H21 .45+ .71- 260328 703 .58+ 1.5- 260328 I52 .18+ .62+ 260328 807 .74- .26+ 260328 703 1.1- .54+ 260328 I52 .32+ .88+ 260328 H21 .42+ .67- 260328 703 1.6+ .16+ 260328 807 .37+ .06- 260328 807 .34+ .66- 260328 703 2.1- 1.7+ 260328 H21 .10+ .53- 260328 H21 .64+ .72- 260328 703( 5.3- 3.9+) 260328 807 .64- .37+ 260328 807 .34+ 1.0- 260328 I52 .09+ .85+ 260328 H21 .32+ .54- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 03 29 19 13 06 41.275 +17 15 08.15 74943 0.9989 157.6 17.7 112 113 2026 03 29 20 13 18 01.058 +16 05 15.23 70117 0.9989 157.4 17.6 102 115 2026 03 29 21 13 31 01.068 +14 41 15.76 64450 0.9989 156.7 17.4 86.0 116 2026 03 29 22 13 46 33.039 +12 55 53.76 57810 0.9988 155.3 17.3 60.4 118 2026 03 29 23 14 06 13.811 +10 35 17.69 49995 0.9988 152.8 17.0 16.0 127 2026 03 30 00 14 33 37.547 +07 08 30.04 40683 0.9988 148.0 16.7 74.7 115 2026 03 30 01 15 19 15.990 +01 05 35.19 29300 0.9987 138.2 16.3 321 117 2026 03 30 02 17 24 21.221 -14 45 19.09 14856 0.9986 107.5 15.7 1774 114 2026 03 30 03 04 48 19.327 +10 36 18.93 12031 0.9985 63.6 17.3 2539 64 2026 03 30 04 07 55 02.440 +26 23 40.68 27000 0.9986 106.5 17.0 275 81 2026 03 30 05 09 00 23.860 +28 10 04.83 38844 0.9987 119.7 17.4 10.5 59 2026 03 30 06 09 37 37.420 +28 18 11.88 48470 0.9988 127.0 17.7 103 89 2026 03 30 07 10 03 13.660 +28 01 46.10 56522 0.9989 131.9 17.9 148 93 2026 03 30 08 10 22 42.851 +27 37 11.91 63354 0.9989 135.5 18.0 174 96 2026 03 30 09 10 38 31.137 +27 09 34.22 69182 0.9990 138.4 18.1 190 98 2026 03 30 10 10 51 54.881 +26 40 43.40 74150 0.9990 140.8 18.2 202 99 2026 03 30 11 11 03 38.694 +26 11 21.10 78357 0.9991 142.9 18.3 210 101 2026 03 30 12 11 14 10.866 +25 41 41.03 81873 0.9991 144.7 18.3 217 102 2026 03 30 13 11 23 50.544 +25 11 44.28 84753 0.9991 146.3 18.3 223 103 2026 03 30 14 11 32 51.421 +24 41 25.56 87033 0.9992 147.8 18.4 227 104 2026 03 30 15 11 41 23.796 +24 10 35.88 88742 0.9992 149.1 18.4 232 105 2026 03 30 16 11 49 35.811 +23 39 03.59 89901 0.9992 150.4 18.4 236 106 2026 03 30 17 11 57 34.236 +23 06 34.58 90521 0.9993 151.5 18.3 240 107 2026 03 30 18 12 05 25.021 +22 32 52.06 90610 0.9993 152.6 18.3 244 107 2026 03 30 19 12 13 13.705 +21 57 35.85 90168 0.9993 153.6 18.3 248 108 2026 03 30 20 12 21 05.781 +21 20 21.29 89191 0.9993 154.5 18.2 253 109 2026 03 30 21 12 29 07.051 +20 40 37.57 87668 0.9993 155.4 18.2 258 110 2026 03 30 22 12 37 24.037 +19 57 45.15 85581 0.9993 156.1 18.1 263 111 2026 03 30 23 12 46 04.538 +19 10 51.84 82906 0.9993 156.8 18.0 270 111 2026 03 31 00 12 55 18.427 +18 18 46.37 79608 0.9993 157.3 17.9 279 112 2026 03 31 01 13 05 18.950 +17 19 47.70 75639 0.9993 157.6 17.8 289 113 2026 03 31 02 13 16 24.969 +16 11 25.84 70935 0.9993 157.6 17.6 304 114 2026 03 31 03 13 29 05.181 +14 49 45.17 65408 0.9992 157.2 17.5 324 115 2026 03 31 04 13 44 06.923 +13 08 07.21 58932 0.9992 156.1 17.3 355 116 2026 03 31 05 14 02 57.032 +10 54 06.81 51319 0.9992 154.0 17.0 407 117 2026 03 31 06 14 28 41.599 +07 40 48.98 42271 0.9991 149.9 16.7 508 118 2026 03 31 07 15 09 58.220 +02 14 04.56 31269 0.9991 141.4 16.3 770 119 2026 03 31 08 16 49 18.107 -10 47 57.47 17359 0.9990 117.4 15.7 2079 117 2026 03 31 09 03 33 29.890 +00 58 55.89 9704 0.9989 44.0 18?? 6655 62 2026 03 31 10 07 39 39.304 +25 45 47.30 24867 0.9990 102.0 17.0 1258 77 2026 03 31 11 08 53 16.237 +28 07 02.35 37152 0.9990 117.1 17.4 716 86 2026 03 31 12 09 33 17.990 +28 21 08.62 47075 0.9991 124.9 17.7 548 90 2026 03 31 13 10 00 13.787 +28 05 56.40 55346 0.9992 130.1 17.9 472 94 2026 03 31 14 10 20 27.647 +27 41 24.73 62353 0.9993 133.9 18.0 430 96 2026 03 31 15 10 36 43.728 +27 13 29.29 68329 0.9993 137.0 18.1 404 98 2026 03 31 16 10 50 25.949 +26 44 15.66 73424 0.9994 139.5 18.2 387 99 2026 03 31 17 11 02 22.583 +26 14 30.65 77745 0.9994 141.6 18.3 376 101 2026 03 31 18 11 13 03.890 +25 44 29.79 81366 0.9995 143.5 18.3 368 102