"Pseudo-MPEC" for P12niR3
Created 2026 Jun 13 5:35:05 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12niR3*0C2026 06 08.28173713 34 03.085-14 10 48.05 ~688Z 21.65wXNEOCPF51
P12niR3 0C2026 06 08.29387613 34 04.640-14 10 30.58 ~688Z 21.63wXNEOCPF51
P12niR3 0C2026 06 08.30602413 34 06.162-14 10 13.57 ~688Z 21.39wXNEOCPF51
P12niR3 0C2026 06 08.36227113 34 13.268-14 08 53.50 ~68GZ 21.05GVNEOCPF51
P12niR3 0C2026 06 08.36292513 34 13.348-14 08 52.63 ~68GZ 20.87GVNEOCPF51
P12niR3 3C2026 06 09.35128913 36 23.161-13 45 59.04 ~69B5 21.34GVNEOCPT14
P12niR3 3C2026 06 09.35226113 36 23.284-13 45 57.71 ~69B5 21.28GVNEOCPT14
P12niR3 3C2026 06 09.35323313 36 23.405-13 45 56.40 ~69B5 21.30GVNEOCPT14
P12niR3 0C2026 06 10.16861013 38 09.860-13 27 46.20 ~6A4o 21.4 RVNEOCP291
P12niR3 0C2026 06 10.17545013 38 10.670-13 27 36.70 ~6A4o 21.9 RVNEOCP291
P12niR3 0C2026 06 10.18229013 38 11.560-13 27 27.10 ~6A4o 22.2 RVNEOCP291
P12niR3 1C2026 06 10.25517613 38 20.634-13 25 51.28 ~6A75 22.29GVNEOCPI52
P12niR3 1C2026 06 10.25981313 38 21.167-13 25 45.16 ~6A75 23.09GVNEOCPI52
P12niR3 1C2026 06 10.26445113 38 21.790-13 25 38.80 ~6A75 VNEOCPI52
P12niR3 |C2026 06 11.10291013 40 10.140-13 07 23.10 ~6B3K 21.7 GVNEOCP807
P12niR3 |C2026 06 11.11019013 40 11.050-13 07 13.50 ~6B3K 21.3 GVNEOCP807
P12niR3 |C2026 06 11.11747013 40 11.950-13 07 04.30 ~6B3K 21.5 GVNEOCP807
P12niR3 0C2026 06 11.22526013 40 25.830-13 05 01.20 ~6B6K 21.0 RVNEOCP291
P12niR3 1C2026 06 11.22813313 40 26.202-13 04 57.72 ~6B6K 20.92GVNEOCPI52
P12niR3 0C2026 06 11.23503013 40 27.040-13 04 48.80 ~6B6K 22.0 RVNEOCP291
P12niR3 1C2026 06 11.23509813 40 27.052-13 04 48.65 ~6B6K 21.45GVNEOCPI52
P12niR3 1C2026 06 11.24206213 40 27.923-13 04 40.40 ~6B6K 21.24GVNEOCPI52
P12niR3 0C2026 06 11.24479013 40 28.250-13 04 36.40 ~6B6K 21.6 RVNEOCP291
P12niR3 1C2026 06 11.24903213 40 28.772-13 04 30.65 ~6B6K 20.31GVNEOCPI52
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.
(807) Cerro Tololo Observatory, La Serena (S30.169133 W70.805900) Chile.
Observer R. Holmes. 0.61-m f/6.5 astrograph + 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.
(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.
(T14) Mauna Kea-UH/Tholen NEO Follow-Up (CFHT) (N19.825252 W155.468876)
US/Hawaii. Observer R. Weryk. 3.6-m Canada-France-Hawaii Telescope.
Orbital elements: P12niR3
Perihelion 2026 Mar 10.258484 +/- 0.318 TT = 6:12:13.0 (JD 2461109.758484)
Epoch 2026 Jun 11.0 TT = JDT 2461202.5 Earth MOID: 0.3778 Ma: 0.0053
M 29.423586632 +/- 0.48 (J2000 ecliptic) AutoNEOCP
n 0.317264456 +/- 0.0042 Peri. 286.826159 +/- 0.34
a 2.129062625 +/- 0.0188 Node 242.628835 +/- 0.06
e 0.43175551 +/- 0.0039 Incl. 21.839065 +/- 0.08
P 3.10658 H 20.46 G 0.15 U 9.1
q 1.209828089 +/- 0.00271 Q 3.048297160 +/- 0.0352
From 24 observations 2026 June 8-11; mean residual 0".23
Residuals in arcseconds: 260608 F51 .06- .01+ 260610 291 .35+ .48- 260611 807 .15- .04+ 260608 F51 .25+ .24+ 260610 291 .27- .01- 260611 291 .00 .01+ 260608 F51 .06+ .03- 260610 291 .28+ .56+ 260611 I52 .36+ .09- 260608 F51 .15- .06- 260610 I52 .09- .06+ 260611 291 .01- .00 260608 F51 .19- .12- 260610 I52 .81- .04+ 260611 I52 .16+ .13+ 260609 T14 .01+ .00 260610 I52 .21- .26+ 260611 I52 .26+ .47- 260609 T14 .02+ .00 260611 807 .25- .18- 260611 291 .01- .00 260609 T14 .01+ .02- 260611 807 .12- .13+ 260611 I52 .02+ .42+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 06 13 06 13 44 43.635 -12 23 58.36 .67881 1.5227 126.8 21.9 .557 144 2026 06 13 07 13 44 48.886 -12 23 10.03 .67925 1.5229 126.8 21.9 .571 144 2026 06 13 08 13 44 54.136 -12 22 21.77 .67970 1.5232 126.8 21.9 .584 144 2026 06 13 09 13 44 59.384 -12 21 33.61 .68014 1.5234 126.8 21.9 .598 144 2026 06 13 10 13 45 04.630 -12 20 45.53 .68058 1.5236 126.7 21.9 .611 144 2026 06 13 11 13 45 09.874 -12 19 57.53 .68102 1.5238 126.7 21.9 .625 145 2026 06 13 12 13 45 15.116 -12 19 09.62 .68146 1.5241 126.7 21.9 .639 145 2026 06 13 13 13 45 20.356 -12 18 21.80 .68190 1.5243 126.7 21.9 .653 145 2026 06 13 14 13 45 25.595 -12 17 34.06 .68234 1.5245 126.6 21.9 .667 145 2026 06 13 15 13 45 30.831 -12 16 46.40 .68279 1.5247 126.6 21.9 .681 145 2026 06 13 16 13 45 36.066 -12 15 58.83 .68323 1.5250 126.6 21.9 .696 145 2026 06 13 17 13 45 41.299 -12 15 11.34 .68367 1.5252 126.6 21.9 .710 145 2026 06 13 18 13 45 46.531 -12 14 23.94 .68411 1.5254 126.5 21.9 .725 145 2026 06 13 19 13 45 51.760 -12 13 36.62 .68456 1.5256 126.5 21.9 .740 145 2026 06 13 20 13 45 56.988 -12 12 49.39 .68500 1.5258 126.5 21.9 .755 145 2026 06 13 21 13 46 02.214 -12 12 02.24 .68544 1.5261 126.5 21.9 .770 145 2026 06 13 22 13 46 07.438 -12 11 15.18 .68589 1.5263 126.4 21.9 .785 145 2026 06 13 23 13 46 12.660 -12 10 28.20 .68633 1.5265 126.4 21.9 .801 145 2026 06 14 00 13 46 17.880 -12 09 41.30 .68678 1.5267 126.4 21.9 .816 145 2026 06 14 01 13 46 23.099 -12 08 54.49 .68722 1.5270 126.4 21.9 .832 145 2026 06 14 02 13 46 28.316 -12 08 07.76 .68767 1.5272 126.4 21.9 .848 145 2026 06 14 03 13 46 33.531 -12 07 21.12 .68811 1.5274 126.3 21.9 .864 145 2026 06 14 04 13 46 38.744 -12 06 34.55 .68856 1.5276 126.3 21.9 .880 145 2026 06 14 05 13 46 43.956 -12 05 48.08 .68900 1.5279 126.3 21.9 .896 145 2026 06 14 06 13 46 49.166 -12 05 01.68 .68945 1.5281 126.3 21.9 .912 145 2026 06 14 07 13 46 54.374 -12 04 15.37 .68989 1.5283 126.2 21.9 .929 145 2026 06 14 08 13 46 59.580 -12 03 29.14 .69034 1.5285 126.2 21.9 .945 145 2026 06 14 09 13 47 04.784 -12 02 43.00 .69079 1.5287 126.2 21.9 .962 145 2026 06 14 10 13 47 09.987 -12 01 56.94 .69123 1.5290 126.2 22.0 .979 145 2026 06 14 11 13 47 15.188 -12 01 10.96 .69168 1.5292 126.1 22.0 1.00 145 2026 06 14 12 13 47 20.388 -12 00 25.06 .69213 1.5294 126.1 22.0 1.01 145 2026 06 14 13 13 47 25.585 -11 59 39.25 .69257 1.5296 126.1 22.0 1.03 145 2026 06 14 14 13 47 30.781 -11 58 53.52 .69302 1.5299 126.1 22.0 1.05 145 2026 06 14 15 13 47 35.975 -11 58 07.87 .69347 1.5301 126.0 22.0 1.07 145 2026 06 14 16 13 47 41.167 -11 57 22.31 .69392 1.5303 126.0 22.0 1.08 145 2026 06 14 17 13 47 46.358 -11 56 36.83 .69437 1.5305 126.0 22.0 1.10 145 2026 06 14 18 13 47 51.547 -11 55 51.42 .69482 1.5308 126.0 22.0 1.12 145 2026 06 14 19 13 47 56.734 -11 55 06.11 .69526 1.5310 125.9 22.0 1.14 145 2026 06 14 20 13 48 01.919 -11 54 20.87 .69571 1.5312 125.9 22.0 1.15 145 2026 06 14 21 13 48 07.103 -11 53 35.72 .69616 1.5314 125.9 22.0 1.17 145 2026 06 14 22 13 48 12.285 -11 52 50.65 .69661 1.5317 125.9 22.0 1.19 145 2026 06 14 23 13 48 17.465 -11 52 05.66 .69706 1.5319 125.8 22.0 1.21 145 2026 06 15 00 13 48 22.644 -11 51 20.75 .69751 1.5321 125.8 22.0 1.23 145 2026 06 15 01 13 48 27.820 -11 50 35.92 .69796 1.5323 125.8 22.0 1.25 145 2026 06 15 02 13 48 32.996 -11 49 51.18 .69841 1.5326 125.8 22.0 1.27 145 2026 06 15 03 13 48 38.169 -11 49 06.51 .69886 1.5328 125.7 22.0 1.29 145 2026 06 15 04 13 48 43.341 -11 48 21.93 .69932 1.5330 125.7 22.0 1.30 145 2026 06 15 05 13 48 48.511 -11 47 37.43 .69977 1.5332 125.7 22.0 1.32 145