"Pseudo-MPEC" for CEM1XD2
Created 2026 May 17 18:35:03 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
CEM1XD2 0C2026 05 07.32133714 39 51.637+18 20 44.10 ~5DKZ 22.11GVNEOCPF52
CEM1XD2 0C2026 05 07.34678814 39 49.513+18 20 36.59 ~5DKZ 22.51GVNEOCPF52
CEM1XD2 0C2026 05 07.35957414 39 48.422+18 20 32.33 ~5DKZ 21.68GVNEOCPF52
CEM1XD2*1C2026 05 12.29928914 33 13.738+17 48 44.82 ~5C85 21.81GVNEOCPG96
CEM1XD2 1C2026 05 12.30445214 33 13.316+17 48 42.41 ~5C85 21.72GVNEOCPG96
CEM1XD2 1C2026 05 12.31473214 33 12.409+17 48 38.20 ~5C85 21.29GVNEOCPG96
CEM1XD2 C2026 05 12.38518014 33 06.824+17 48 05.75 ~5CA5 21.7 GWNEOCPH01
CEM1XD2 C2026 05 12.39159114 33 06.313+17 48 02.73 ~5CA5 21.5 GWNEOCPH01
CEM1XD2 C2026 05 12.39557614 33 05.998+17 48 00.96 ~5CA5 21.5 GWNEOCPH01
CEM1XD2 1C2026 05 12.40117614 33 05.555+17 47 58.70 ~5CA5 22.05GVNEOCPV06
CEM1XD2 1C2026 05 12.40435314 33 05.296+17 47 57.16 ~5CA5 22.03GVNEOCPV06
CEM1XD2 C2026 05 12.40540414 33 05.218+17 47 56.45 ~5CA5 21.7 GWNEOCPH01
CEM1XD2 1C2026 05 12.40753314 33 05.040+17 47 55.54 ~5CA5 21.72GVNEOCPV06
CEM1XD2 1C2026 05 12.41071214 33 04.774+17 47 54.02 ~5CA5 21.96GVNEOCPV06
CEM1XD2 0C2026 05 13.47443714 31 42.671+17 39 40.27 ~5DKZ 22.07GVNEOCPF52
CEM1XD2 0C2026 05 13.48721014 31 41.665+17 39 34.40 ~5DKZ 21.58GVNEOCPF52
CEM1XD2 0C2026 05 13.50000414 31 40.665+17 39 27.51 ~5DKZ 22.01GVNEOCPF52
CEM1XD2 0C2026 05 13.51279814 31 39.689+17 39 21.58 ~5DKZ 22.34GVNEOCPF52
CEM1XD2 KC2026 05 14.19944414 30 47.59 +17 33 44.1 ~5E5Z 22.4 GVNEOCPH21
CEM1XD2 KC2026 05 14.20555814 30 47.09 +17 33 41.1 ~5E5Z 22.2 GVNEOCPH21
CEM1XD2 KC2026 05 15.14804614 29 36.16 +17 25 40.6 ~5F4K 22.0 GVNEOCPH21
CEM1XD2 KC2026 05 15.15661714 29 35.49 +17 25 36.2 ~5F4K 21.9 GVNEOCPH21
CEM1XD2 0C2026 05 17.16493 14 27 07.80 +17 07 21.3 ~5H55 21.8 GVNEOCP291
CEM1XD2 0C2026 05 17.17318 14 27 07.21 +17 07 16.8 ~5H55 23.2 GVNEOCP291
CEM1XD2 0C2026 05 17.18142 14 27 06.60 +17 07 12.1 ~5H55 22.2 GVNEOCP291
Station data:
(291) LPL/Spacewatch II (N31.961669 W111.599905) US/Arizona. Observers J.
V. Scotti, R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
(F52) Pan-STARRS 2, Haleakala (N20.707382 W156.255910) US/Hawaii.
Observers J. Herman, T. Lowe, P. Minguez, A. Schultz, I. Smith. Measurers
K. Chambers, T. de Boer, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, E.
Magnier, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chrétien +
CCD.
(G96) Mt. Lemmon Survey (N32.442729 W110.788720) 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. 1.5-m reflector + 10K CCD.
(H01) Magdalena Ridge Observatory, Socorro (N33.984833 W107.189333) US/New
Mexico. Observers W. H. Ryan, E. V. Ryan. Measurer W. H. Ryan. 2.4-m
f/8.9 reflector + 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.
(V06) Catalina Sky Survey-Kuiper (N32.416871 W110.732550) 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. 1.55-m reflector + CCD.
Orbital elements: CEM1XD2
Perihelion 2027 Jul 24.639908 +/- 1.11 TT = 15:21:28.0 (JD 2461611.139908)
Epoch 2026 May 17.0 TT = JDT 2461177.5 Earth MOID: 0.7942 AutoNEOCP
M 199.155321050 +/- 0.47 (J2000 ecliptic)
n 0.370917611 +/- 0.00022 Peri. 295.805810 +/- 0.37
a 1.918452627 +/- 0.00076 Node 87.790879 +/- 0.039
e 0.10707421 +/- 0.000231 Incl. 22.858644 +/- 0.018
P 2.657/970.548d H 19.27 G 0.15 U 7.1
q 1.713035814 +/- 0.000745 Q 2.123869440 +/- 0.00101
From 25 observations 2026 May 7-17; mean residual 0".23
Residuals in arcseconds: 260507 F52 .06- .23- 260512 V06 .08+ .07+ 260514 H21 .27+ .14+ 260507 F52 .14+ .24+ 260512 V06 .01- .01- 260514 H21 .03- .19+ 260507 F52 .07- .01+ 260512 H01 .24+ .03+ 260515 H21 .16+ .10- 260512 G96 .22+ .29- 260512 V06 .05- .16- 260515 H21 .03+ .06- 260512 G96 .13+ .37- 260512 V06 .23- .21- 260517 291 .30- .12- 260512 G96 1.0- .07+ 260513 F52 .30- .03+ 260517 291 .05+ .02+ 260512 H01 .18+ .02+ 260513 F52 .20- .37+ 260517 291 .12+ .03- 260512 H01 .18+ .05- 260513 F52 .02- .29- 260512 H01 .21+ .01+ 260513 F52 .48+ .03+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 05 17 19 14 26 22.552 +17 01 22.08 1.2392 2.1143 139.7 22.3 .303 154 2026 05 17 20 14 26 19.577 +17 00 57.72 1.2394 2.1142 139.7 22.3 .308 154 2026 05 17 21 14 26 16.605 +17 00 33.32 1.2395 2.1142 139.6 22.3 .313 154 2026 05 17 22 14 26 13.636 +17 00 08.89 1.2397 2.1142 139.6 22.3 .318 154 2026 05 17 23 14 26 10.669 +16 59 44.41 1.2398 2.1142 139.6 22.3 .322 154 2026 05 18 00 14 26 07.704 +16 59 19.89 1.2400 2.1142 139.6 22.3 .327 154 2026 05 18 01 14 26 04.742 +16 58 55.33 1.2402 2.1142 139.5 22.3 .332 154 2026 05 18 02 14 26 01.783 +16 58 30.74 1.2403 2.1142 139.5 22.3 .337 154 2026 05 18 03 14 25 58.826 +16 58 06.10 1.2405 2.1141 139.5 22.3 .342 154 2026 05 18 04 14 25 55.871 +16 57 41.42 1.2406 2.1141 139.5 22.3 .347 154 2026 05 18 05 14 25 52.919 +16 57 16.70 1.2408 2.1141 139.4 22.3 .352 154 2026 05 18 06 14 25 49.969 +16 56 51.95 1.2409 2.1141 139.4 22.3 .357 154 2026 05 18 07 14 25 47.022 +16 56 27.15 1.2411 2.1141 139.4 22.3 .363 154 2026 05 18 08 14 25 44.077 +16 56 02.31 1.2412 2.1141 139.4 22.3 .368 154 2026 05 18 09 14 25 41.135 +16 55 37.43 1.2414 2.1140 139.3 22.3 .373 154 2026 05 18 10 14 25 38.196 +16 55 12.52 1.2415 2.1140 139.3 22.3 .378 154 2026 05 18 11 14 25 35.258 +16 54 47.56 1.2417 2.1140 139.3 22.3 .383 154 2026 05 18 12 14 25 32.324 +16 54 22.56 1.2419 2.1140 139.3 22.3 .389 154 2026 05 18 13 14 25 29.392 +16 53 57.53 1.2420 2.1140 139.2 22.3 .394 154 2026 05 18 14 14 25 26.462 +16 53 32.45 1.2422 2.1140 139.2 22.3 .399 154 2026 05 18 15 14 25 23.535 +16 53 07.34 1.2423 2.1140 139.2 22.3 .405 154 2026 05 18 16 14 25 20.611 +16 52 42.18 1.2425 2.1139 139.2 22.3 .410 154 2026 05 18 17 14 25 17.689 +16 52 16.99 1.2427 2.1139 139.1 22.3 .415 153 2026 05 18 18 14 25 14.770 +16 51 51.75 1.2428 2.1139 139.1 22.3 .421 153 2026 05 18 19 14 25 11.853 +16 51 26.48 1.2430 2.1139 139.1 22.3 .426 153 2026 05 18 20 14 25 08.939 +16 51 01.17 1.2431 2.1139 139.1 22.3 .432 153 2026 05 18 21 14 25 06.028 +16 50 35.82 1.2433 2.1139 139.0 22.3 .437 153 2026 05 18 22 14 25 03.119 +16 50 10.43 1.2435 2.1138 139.0 22.3 .443 153 2026 05 18 23 14 25 00.212 +16 49 44.99 1.2436 2.1138 139.0 22.3 .449 153 2026 05 19 00 14 24 57.308 +16 49 19.52 1.2438 2.1138 139.0 22.3 .454 153 2026 05 19 01 14 24 54.407 +16 48 54.02 1.2439 2.1138 138.9 22.3 .460 153 2026 05 19 02 14 24 51.508 +16 48 28.47 1.2441 2.1138 138.9 22.3 .466 153 2026 05 19 03 14 24 48.612 +16 48 02.88 1.2443 2.1138 138.9 22.3 .471 153 2026 05 19 04 14 24 45.719 +16 47 37.25 1.2444 2.1138 138.9 22.3 .477 153 2026 05 19 05 14 24 42.828 +16 47 11.59 1.2446 2.1137 138.8 22.3 .483 153 2026 05 19 06 14 24 39.940 +16 46 45.89 1.2448 2.1137 138.8 22.3 .489 153 2026 05 19 07 14 24 37.054 +16 46 20.14 1.2449 2.1137 138.8 22.3 .494 153 2026 05 19 08 14 24 34.172 +16 45 54.36 1.2451 2.1137 138.7 22.3 .500 153 2026 05 19 09 14 24 31.291 +16 45 28.54 1.2452 2.1137 138.7 22.3 .506 153 2026 05 19 10 14 24 28.414 +16 45 02.68 1.2454 2.1137 138.7 22.3 .512 153 2026 05 19 11 14 24 25.539 +16 44 36.78 1.2456 2.1136 138.7 22.3 .518 153 2026 05 19 12 14 24 22.666 +16 44 10.84 1.2457 2.1136 138.6 22.3 .524 153 2026 05 19 13 14 24 19.797 +16 43 44.87 1.2459 2.1136 138.6 22.3 .530 153 2026 05 19 14 14 24 16.930 +16 43 18.85 1.2461 2.1136 138.6 22.3 .536 153 2026 05 19 15 14 24 14.065 +16 42 52.80 1.2462 2.1136 138.6 22.3 .542 153 2026 05 19 16 14 24 11.203 +16 42 26.71 1.2464 2.1136 138.5 22.3 .548 153 2026 05 19 17 14 24 08.344 +16 42 00.58 1.2466 2.1136 138.5 22.3 .554 153 2026 05 19 18 14 24 05.488 +16 41 34.41 1.2467 2.1135 138.5 22.3 .561 153