"Pseudo-MPEC" for P12nn8d
Created 2026 Jun 16 8:35:05 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12nn8d*0C2026 06 12.47543120 56 16.555+12 08 22.05 ~6CDK 21.47wXNEOCPF51
P12nn8d 0C2026 06 12.48586920 56 16.725+12 08 17.72 ~6CDK 21.57wXNEOCPF51
P12nn8d 0C2026 06 12.49109420 56 16.824+12 08 15.25 ~6CDK 21.57wXNEOCPF51
P12nn8d 0C2026 06 12.55802920 56 17.885+12 07 45.73 ~6CI5 21.54GVNEOCPF51
P12nn8d 0C2026 06 12.55885420 56 17.904+12 07 45.45 ~6CI5 21.45GVNEOCPF51
P12nn8d 6B2026 06 13.13556020 56 28.660+12 03 20.89 ~6FDK 20.9 GWNEOCPZ84
P12nn8d 6B2026 06 13.14320920 56 28.771+12 03 17.49 ~6FDK 21.0 GWNEOCPZ84
P12nn8d KC2026 06 13.33746120 56 32.36 +12 01 46.5 ~6D8Z 21.2 GVNEOCPH21
P12nn8d KC2026 06 13.34041420 56 32.40 +12 01 45.2 ~6D8Z 21.1 GVNEOCPH21
P12nn8d KC2026 06 13.34346320 56 32.44 +12 01 43.7 ~6D8Z 21.2 GVNEOCPH21
P12nn8d 0C2026 06 15.40333020 57 03.890+11 44 37.50 ~6FA5 VNEOCP291
P12nn8d 0C2026 06 15.40512020 57 03.910+11 44 36.40 ~6FA5 VNEOCP291
P12nn8d 0C2026 06 15.40692020 57 03.920+11 44 35.30 ~6FA5 VNEOCP291
P12nn8d KC2026 06 16.33184620 57 14.91 +11 36 11.7 ~6G8Z 21.7 GVNEOCPH21
P12nn8d KC2026 06 16.33473520 57 14.94 +11 36 09.8 ~6G8Z 21.5 GVNEOCPH21
P12nn8d KC2026 06 16.33762320 57 14.95 +11 36 08.6 ~6G8Z 21.1 GVNEOCPH21
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.
(F51) Pan-STARRS 1, Haleakala (N20.707234 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.
(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.
(Z84) Calar Alto-Schmidt (N37.224006 W2.548160) Spain. Observer R. Kresken.
Measurers F. Ocaña, M. Micheli, R. Kresken. 0.8-m f/3 Schmidt + CCD.
Orbital elements: P12nn8d
Perihelion 2026 Mar 24.175705 +/- 0.219 TT = 4:13:00.8 (JD 2461123.675705)
Epoch 2026 Jun 16.0 TT = JDT 2461207.5 Earth MOID: 0.7546 AutoNEOCP
M 19.895654301 +/- 0.57 (J2000 ecliptic)
n 0.237349496 +/- 0.00638 Peri. 97.164488 +/- 0.6
a 2.583512133 +/- 0.0463 Node 142.164662 +/- 0.26
e 0.40070775 +/- 0.0123 Incl. 26.754060 +/- 0.22
P 4.15256 H 19.08 G 0.15 U 9.3
q 1.548278787 +/- 0.00805 Q 3.618745480 +/- 0.096
From 16 observations 2026 June 12-16; mean residual 0".09
Residuals in arcseconds: 260612 F51 .00 .09- 260613 Z84 .05- .08+ 260615 291 .01- .14- 260612 F51 .05- .14+ 260613 H21 .02+ .06- 260616 H21 .03- .06+ 260612 F51 .14+ .04- 260613 H21 .03- .02+ 260616 H21 .07+ .24- 260612 F51 .08- .04- 260613 H21 .10- .06- 260616 H21 .11- .17+ 260612 F51 .01+ .04+ 260615 291 .06+ .17+ 260613 Z84 .00 .05- 260615 291 .10+ .01+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 06 16 09 20 57 15.224 +11 35 51.89 .95592 1.7078 120.0 21.5 .140 78 2026 06 16 10 20 57 15.669 +11 35 28.58 .95572 1.7079 120.0 21.5 .153 77 2026 06 16 11 20 57 16.111 +11 35 05.21 .95552 1.7081 120.1 21.5 .167 76 2026 06 16 12 20 57 16.548 +11 34 41.79 .95533 1.7082 120.1 21.5 .180 76 2026 06 16 13 20 57 16.982 +11 34 18.32 .95513 1.7083 120.1 21.5 .194 75 2026 06 16 14 20 57 17.412 +11 33 54.80 .95494 1.7085 120.2 21.5 .208 75 2026 06 16 15 20 57 17.837 +11 33 31.23 .95474 1.7086 120.2 21.5 .223 74 2026 06 16 16 20 57 18.259 +11 33 07.60 .95455 1.7088 120.2 21.5 .237 74 2026 06 16 17 20 57 18.677 +11 32 43.91 .95435 1.7089 120.3 21.5 .252 73 2026 06 16 18 20 57 19.091 +11 32 20.18 .95416 1.7091 120.3 21.5 .268 73 2026 06 16 19 20 57 19.501 +11 31 56.39 .95396 1.7092 120.4 21.5 .283 73 2026 06 16 20 20 57 19.908 +11 31 32.55 .95377 1.7094 120.4 21.5 .299 72 2026 06 16 21 20 57 20.310 +11 31 08.65 .95357 1.7095 120.4 21.5 .315 72 2026 06 16 22 20 57 20.708 +11 30 44.70 .95338 1.7096 120.5 21.5 .331 72 2026 06 16 23 20 57 21.103 +11 30 20.70 .95318 1.7098 120.5 21.5 .348 72 2026 06 17 00 20 57 21.493 +11 29 56.64 .95299 1.7099 120.5 21.5 .364 71 2026 06 17 01 20 57 21.880 +11 29 32.53 .95279 1.7101 120.6 21.5 .382 71 2026 06 17 02 20 57 22.263 +11 29 08.37 .95260 1.7102 120.6 21.5 .399 71 2026 06 17 03 20 57 22.642 +11 28 44.15 .95241 1.7104 120.6 21.5 .416 71 2026 06 17 04 20 57 23.017 +11 28 19.88 .95221 1.7105 120.7 21.5 .434 71 2026 06 17 05 20 57 23.388 +11 27 55.56 .95202 1.7107 120.7 21.5 .452 71 2026 06 17 06 20 57 23.755 +11 27 31.18 .95183 1.7108 120.8 21.5 .471 70 2026 06 17 07 20 57 24.118 +11 27 06.75 .95163 1.7109 120.8 21.5 .489 70 2026 06 17 08 20 57 24.478 +11 26 42.26 .95144 1.7111 120.8 21.5 .508 70 2026 06 17 09 20 57 24.833 +11 26 17.72 .95125 1.7112 120.9 21.5 .527 70 2026 06 17 10 20 57 25.185 +11 25 53.13 .95105 1.7114 120.9 21.5 .547 70 2026 06 17 11 20 57 25.532 +11 25 28.48 .95086 1.7115 120.9 21.5 .566 70 2026 06 17 12 20 57 25.876 +11 25 03.78 .95067 1.7117 121.0 21.5 .586 70 2026 06 17 13 20 57 26.216 +11 24 39.03 .95047 1.7118 121.0 21.5 .606 70 2026 06 17 14 20 57 26.552 +11 24 14.22 .95028 1.7120 121.0 21.5 .626 70 2026 06 17 15 20 57 26.884 +11 23 49.36 .95009 1.7121 121.1 21.5 .647 70 2026 06 17 16 20 57 27.212 +11 23 24.44 .94990 1.7123 121.1 21.5 .668 70 2026 06 17 17 20 57 27.537 +11 22 59.47 .94970 1.7124 121.2 21.4 .689 69 2026 06 17 18 20 57 27.857 +11 22 34.45 .94951 1.7125 121.2 21.4 .710 69 2026 06 17 19 20 57 28.174 +11 22 09.37 .94932 1.7127 121.2 21.4 .732 69 2026 06 17 20 20 57 28.486 +11 21 44.24 .94913 1.7128 121.3 21.4 .754 69 2026 06 17 21 20 57 28.795 +11 21 19.05 .94894 1.7130 121.3 21.4 .776 69 2026 06 17 22 20 57 29.100 +11 20 53.81 .94874 1.7131 121.3 21.4 .799 69 2026 06 17 23 20 57 29.401 +11 20 28.51 .94855 1.7133 121.4 21.4 .821 69 2026 06 18 00 20 57 29.698 +11 20 03.17 .94836 1.7134 121.4 21.4 .844 69 2026 06 18 01 20 57 29.991 +11 19 37.76 .94817 1.7136 121.4 21.4 .867 69 2026 06 18 02 20 57 30.280 +11 19 12.30 .94798 1.7137 121.5 21.4 .891 69 2026 06 18 03 20 57 30.566 +11 18 46.79 .94779 1.7139 121.5 21.4 .914 69 2026 06 18 04 20 57 30.847 +11 18 21.23 .94760 1.7140 121.6 21.4 .938 69 2026 06 18 05 20 57 31.125 +11 17 55.60 .94741 1.7142 121.6 21.4 .962 69 2026 06 18 06 20 57 31.399 +11 17 29.93 .94722 1.7143 121.6 21.4 .987 69 2026 06 18 07 20 57 31.668 +11 17 04.20 .94703 1.7144 121.7 21.4 1.01 69 2026 06 18 08 20 57 31.934 +11 16 38.42 .94684 1.7146 121.7 21.4 1.04 69