"Pseudo-MPEC" for XA9ttXA
Created 2026 May 14 4:35:10 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
XA9ttXA*KB2026 05 08.75829 15 10 50.49 +01 40 25.3 ~59BZ 21.3 GXNEOCPN94
XA9ttXA KB2026 05 08.77321 15 10 49.42 +01 40 29.3 ~59BZ 20.7 GXNEOCPN94
XA9ttXA KB2026 05 08.78813 15 10 48.27 +01 40 32.6 ~59BZ 21.4 GXNEOCPN94
XA9ttXA !C2026 05 10.30035915 09 00.161+01 45 57.74 ~5AA5 23.3 GWNEOCP673
XA9ttXA !C2026 05 10.30724515 08 59.494+01 46 00.52 ~5AA5 22.3 GWNEOCP673
XA9ttXA 0C2026 05 10.35279615 08 56.000+01 46 10.70 ~5A9K 21.7 RVNEOCP291
XA9ttXA 0C2026 05 10.36086015 08 55.370+01 46 11.90 ~5A9K 22.3 RVNEOCP291
XA9ttXA 0C2026 05 10.36900015 08 54.740+01 46 13.50 ~5A9K 22.4 RVNEOCP291
XA9ttXA |C2026 05 11.09723015 08 02.150+01 48 46.60 ~5B3Z 22.6 GVNEOCP807
XA9ttXA |C2026 05 11.10633015 08 01.460+01 48 48.10 ~5B3Z 22.8 GVNEOCP807
XA9ttXA |C2026 05 11.11543015 08 00.730+01 48 50.90 ~5B3Z 23.2 GVNEOCP807
XA9ttXA KC2026 05 11.21200615 07 53.36 +01 48 51.4 ~5B5Z 22.3 GVNEOCPH21
XA9ttXA KC2026 05 11.21489415 07 53.12 +01 48 52.1 ~5B5Z 22.6 GVNEOCPH21
XA9ttXA |C2026 05 12.14330015 06 44.270+01 51 46.90 ~5C4Z 22.8 GVNEOCP807
XA9ttXA |C2026 05 12.15422015 06 43.430+01 51 48.30 ~5C4Z 22.5 GVNEOCP807
XA9ttXA |C2026 05 12.16515015 06 42.520+01 51 49.50 ~5C4Z 22.1 GVNEOCP807
XA9ttXA |C2026 05 13.12866015 05 30.100+01 54 13.90 ~5D45 23.0 GVNEOCP807
XA9ttXA |C2026 05 13.13777015 05 29.340+01 54 14.80 ~5D45 22.2 GVNEOCP807
XA9ttXA |C2026 05 13.14687015 05 28.600+01 54 16.10 ~5D45 22.5 GVNEOCP807
XA9ttXA |C2026 05 14.13040015 04 13.670+01 56 20.70 ~5E45 22.2 GVNEOCP807
XA9ttXA |C2026 05 14.13586015 04 13.230+01 56 21.00 ~5E45 22.2 GVNEOCP807
XA9ttXA |C2026 05 14.14132515 04 12.760+01 56 21.40 ~5E45 22.1 GVNEOCP807
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.
(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.
(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.
(N94) Altay Astronomical Observatory (N47.588446 E88.727920). Observers X.
Liao, D. Xu, X. Gao, M. Zhang, S.-Q. Jiang, X. Liu, J. An, W.-J. Zhou,
Z.-S. Yang, G.-Y. Sun. Measurers X. Liao, M. Zhang, W.-J. Zhou, Z.-S.
Yang, G.-Y. Sun. 1.00-m f/2.5 reflector + CMO.
Orbital elements: XA9ttXA
Perihelion 2026 Aug 31.022148 +/- 0.323 TT = 0:31:53.6 (JD 2461283.522148)
Epoch 2026 May 14.0 TT = JDT 2461174.5 Earth MOID: 0.2093 AutoNEOCP
M 325.826214386 +/- 0.24 (J2000 ecliptic)
n 0.313457276 +/- 0.0025 Peri. 207.791222 +/- 0.18
a 2.146267316 +/- 0.0114 Node 99.788451 +/- 0.11
e 0.43479889 +/- 0.00332 Incl. 9.079010 +/- 0.040
P 3.14431 H 21.82 G 0.15 U 8.7
q 1.213072655 +/- 0.00139 Q 3.079461977 +/- 0.0234
From 22 observations 2026 May 8-14; mean residual 0".45
Residuals in arcseconds: 260508 N94 .12- .17- 260511 807 .06- .14+ 260513 807 .26+ .26+ 260508 N94 .49+ .40+ 260511 807 .23+ .04- 260513 807 .11- .10- 260508 N94 .09- .28+ 260511 807 .06- 1.1+ 260513 807 .19- .07- 260510 673 .48+ 1.5- 260511 H21 .04- .22- 260514 807 .00 .27+ 260510 673 1.5- .13- 260511 H21 .24- .05- 260514 807 .08+ .06- 260510 291 .28+ .49+ 260512 807 .23+ .54+ 260514 807 .27- .29- 260510 291 .20+ .09+ 260512 807 .70+ .18+ 260510 291 .20+ .08+ 260512 807 .14+ .38- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 05 14 05 15 04 07.432 +01 56 21.82 .61744 1.6024 159.0 22.6 .281 10 2026 05 14 06 15 04 04.234 +01 56 26.50 .61725 1.6022 159.0 22.6 .292 10 2026 05 14 07 15 04 01.034 +01 56 31.13 .61706 1.6020 159.0 22.6 .304 9 2026 05 14 08 15 03 57.833 +01 56 35.73 .61687 1.6017 159.0 22.6 .316 9 2026 05 14 09 15 03 54.631 +01 56 40.28 .61668 1.6015 158.9 22.6 .328 9 2026 05 14 10 15 03 51.427 +01 56 44.79 .61649 1.6013 158.9 22.6 .341 9 2026 05 14 11 15 03 48.222 +01 56 49.26 .61630 1.6010 158.9 22.6 .353 8 2026 05 14 12 15 03 45.016 +01 56 53.69 .61612 1.6008 158.9 22.6 .366 8 2026 05 14 13 15 03 41.809 +01 56 58.08 .61593 1.6006 158.8 22.6 .379 8 2026 05 14 14 15 03 38.600 +01 57 02.42 .61574 1.6003 158.8 22.6 .392 8 2026 05 14 15 15 03 35.390 +01 57 06.72 .61555 1.6001 158.8 22.6 .405 8 2026 05 14 16 15 03 32.179 +01 57 10.98 .61537 1.5999 158.8 22.6 .418 7 2026 05 14 17 15 03 28.966 +01 57 15.19 .61518 1.5996 158.7 22.6 .432 7 2026 05 14 18 15 03 25.752 +01 57 19.37 .61499 1.5994 158.7 22.6 .446 7 2026 05 14 19 15 03 22.537 +01 57 23.50 .61481 1.5992 158.7 22.6 .460 7 2026 05 14 20 15 03 19.321 +01 57 27.59 .61462 1.5989 158.7 22.6 .474 7 2026 05 14 21 15 03 16.103 +01 57 31.63 .61444 1.5987 158.6 22.5 .488 6 2026 05 14 22 15 03 12.885 +01 57 35.63 .61425 1.5985 158.6 22.5 .503 6 2026 05 14 23 15 03 09.665 +01 57 39.59 .61407 1.5983 158.6 22.5 .517 6 2026 05 15 00 15 03 06.443 +01 57 43.51 .61388 1.5980 158.6 22.5 .532 6 2026 05 15 01 15 03 03.221 +01 57 47.39 .61370 1.5978 158.5 22.5 .547 6 2026 05 15 02 15 02 59.998 +01 57 51.22 .61351 1.5976 158.5 22.5 .562 6 2026 05 15 03 15 02 56.773 +01 57 55.00 .61333 1.5973 158.5 22.5 .577 6 2026 05 15 04 15 02 53.547 +01 57 58.75 .61315 1.5971 158.5 22.5 .593 5 2026 05 15 05 15 02 50.320 +01 58 02.45 .61296 1.5969 158.4 22.5 .609 5 2026 05 15 06 15 02 47.092 +01 58 06.11 .61278 1.5966 158.4 22.5 .624 5 2026 05 15 07 15 02 43.863 +01 58 09.73 .61260 1.5964 158.4 22.5 .641 5 2026 05 15 08 15 02 40.633 +01 58 13.30 .61242 1.5962 158.4 22.5 .657 5 2026 05 15 09 15 02 37.402 +01 58 16.83 .61224 1.5959 158.3 22.5 .673 5 2026 05 15 10 15 02 34.169 +01 58 20.31 .61205 1.5957 158.3 22.5 .690 5 2026 05 15 11 15 02 30.936 +01 58 23.75 .61187 1.5955 158.3 22.5 .706 4 2026 05 15 12 15 02 27.701 +01 58 27.15 .61169 1.5953 158.3 22.5 .723 4 2026 05 15 13 15 02 24.466 +01 58 30.51 .61151 1.5950 158.2 22.5 .741 4 2026 05 15 14 15 02 21.229 +01 58 33.82 .61133 1.5948 158.2 22.5 .758 4 2026 05 15 15 15 02 17.991 +01 58 37.08 .61115 1.5946 158.2 22.5 .775 4 2026 05 15 16 15 02 14.753 +01 58 40.31 .61097 1.5943 158.2 22.5 .793 4 2026 05 15 17 15 02 11.513 +01 58 43.49 .61079 1.5941 158.1 22.5 .811 4 2026 05 15 18 15 02 08.272 +01 58 46.62 .61061 1.5939 158.1 22.5 .829 4 2026 05 15 19 15 02 05.031 +01 58 49.71 .61044 1.5936 158.1 22.5 .847 4 2026 05 15 20 15 02 01.788 +01 58 52.76 .61026 1.5934 158.1 22.5 .865 3 2026 05 15 21 15 01 58.544 +01 58 55.76 .61008 1.5932 158.0 22.5 .884 3 2026 05 15 22 15 01 55.300 +01 58 58.72 .60990 1.5929 158.0 22.5 .903 3 2026 05 15 23 15 01 52.054 +01 59 01.64 .60972 1.5927 158.0 22.5 .922 3 2026 05 16 00 15 01 48.808 +01 59 04.51 .60955 1.5925 158.0 22.5 .941 3 2026 05 16 01 15 01 45.560 +01 59 07.33 .60937 1.5922 157.9 22.5 .960 3 2026 05 16 02 15 01 42.312 +01 59 10.11 .60919 1.5920 157.9 22.5 .979 3 2026 05 16 03 15 01 39.063 +01 59 12.85 .60902 1.5918 157.9 22.5 1.00 3 2026 05 16 04 15 01 35.813 +01 59 15.54 .60884 1.5916 157.8 22.5 1.02 3