"Pseudo-MPEC" for P12onNw
Created 2026 Aug 11 13:35:11 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12onNw 0C2026 07 12.25759317 33 23.790-02 01 01.21 ~7NF5 19.99rUNEOCPI41
P12onNw 0C2026 07 12.30322217 33 22.144-02 00 50.19 ~7NF5 20.28iUNEOCPI41
P12onNw 0C2026 07 12.33352517 33 21.036-02 00 43.99 ~7NF5 21.16gUNEOCPI41
P12onNw 0C2026 07 14.23261617 32 15.646-01 53 34.87 ~7NF5 20.72gUNEOCPI41
P12onNw 0C2026 07 14.29004017 32 13.606-01 53 20.86 ~7NF5 19.81rUNEOCPI41
P12onNw 0C2026 07 14.32264317 32 12.539-01 53 14.17 ~7NF5 19.49iUNEOCPI41
P12onNw*0C2026 07 14.34100617 32 11.958-01 53 09.04 ~7NF5 20.82wXNEOCPF51
P12onNw 0C2026 07 14.34627117 32 11.755-01 53 07.82 ~7NF5 21.01wXNEOCPF51
P12onNw 0C2026 07 14.35151317 32 11.598-01 53 06.76 ~7NF5 20.91wXNEOCPF51
P12onNw 0C2026 07 14.35677117 32 11.374-01 53 05.89 ~7NF5 20.64wXNEOCPF51
P12onNw KB2026 07 15.01926117 31 48.872-01 50 39.13 ~7NF5 20.5 VZNEOCPY05
P12onNw KB2026 07 15.06257317 31 47.409-01 50 28.42 ~7NF5 19.9 VZNEOCPY05
P12onNw 0C2026 07 15.27462017 31 40.226-01 49 43.89 ~7NF5 19.72rUNEOCPI41
P12onNw 0C2026 07 15.34597717 31 37.857-01 49 27.75 ~7NF5 20.46gUNEOCPI41
P12onNw 3C2026 07 15.41577617 31 35.473-01 49 12.00 ~7NF5 21.55GVNEOCPT14
P12onNw 3C2026 07 15.41739817 31 35.413-01 49 11.67 ~7NF5 21.44GVNEOCPT14
P12onNw 3C2026 07 15.41860017 31 35.373-01 49 11.45 ~7NF5 21.50GVNEOCPT14
P12onNw 0B2026 07 15.77400617 31 23.478-01 47 52.76 ~7NF5 20.8 GWNEOCPM21
P12onNw 0B2026 07 15.80486717 31 22.455-01 47 46.10 ~7NF5 WNEOCPM21
P12onNw KC2026 07 17.87924817 30 13.678-01 40 24.78 ~7NF5 20.5 GWNEOCPB74
P12onNw KC2026 07 17.88772017 30 13.416-01 40 23.41 ~7NF5 20.5 GWNEOCPB74
P12onNw KC2026 07 17.89387717 30 13.236-01 40 21.50 ~7NF5 19.7 GWNEOCPB74
P12onNw KC2026 07 17.94702317 30 11.47 -01 40 12.6 ~7NF5 21.0 GVNEOCPL06
P12onNw KC2026 07 17.97154317 30 10.65 -01 40 07.3 ~7NF5 21.0 GVNEOCPL06
P12onNw KC2026 07 17.99606217 30 09.81 -01 40 01.8 ~7NF5 20.8 GVNEOCPL06
P12onNw 0C2026 07 18.35555417 29 58.157-01 38 45.68 ~7NF5x20.65wXNEOCPF51
P12onNw 0C2026 07 18.36087517 29 57.940-01 38 45.08 ~7NF5 20.92wXNEOCPF51
P12onNw 0C2026 07 18.36618517 29 57.782-01 38 44.09 ~7NF5 20.94wXNEOCPF51
P12onNw 0C2026 07 18.37149417 29 57.579-01 38 42.76 ~7NF5 20.75wXNEOCPF51
P12onNw KB2026 07 18.86220 17 29 41.70 -01 37 02.2 ~7NF5 20.4 GXNEOCPM45
P12onNw KB2026 07 18.86902 17 29 41.47 -01 37 00.3 ~7NF5 20.1 GXNEOCPM45
P12onNw KB2026 07 18.87587 17 29 41.27 -01 36 59.3 ~7NF5 20.4 GXNEOCPM45
P12onNw KB2026 07 20.08236417 29 02.562-01 32 56.30 ~7NF5x19.7 GXNEOCPW62
P12onNw KB2026 07 20.09493417 29 02.184-01 32 51.65 ~7NF5 19.9 GXNEOCPW62
P12onNw !C2026 07 20.20213017 28 58.819-01 32 29.62 ~7NF5 20.5 GWNEOCP673
P12onNw !C2026 07 20.20847217 28 58.546-01 32 28.43 ~7NF5 21.8 GWNEOCP673
P12onNw 1C2026 07 20.51781 17 28 48.77 -01 31 24.9 ~7NF5 VNEOCPQ62
P12onNw 1C2026 07 20.52471 17 28 48.56 -01 31 23.5 ~7NF5 20.7 GVNEOCPQ62
P12onNw 0C2026 07 22.01188917 28 02.040-01 26 33.44 ~7NF5 19.6 GXNEOCPR59
P12onNw 0C2026 07 22.03327117 28 01.370-01 26 28.19 ~7NF5 19.6 GXNEOCPR59
P12onNw 0C2026 07 22.05480317 28 00.764-01 26 23.73 ~7NF5 19.7 GXNEOCPR59
P12onNw 1C2026 07 22.33580117 27 52.089-01 25 29.78 ~7NF5 20.28GVNEOCPT12
P12onNw 1C2026 07 22.33613017 27 52.078-01 25 29.74 ~7NF5 20.19GVNEOCPT12
P12onNw 1C2026 07 22.33646117 27 52.072-01 25 29.63 ~7NF5 20.23GVNEOCPT12
P12onNw KB2026 07 24.10868117 26 58.290-01 19 54.25 ~7O55 20.1 GXNEOCPW62
P12onNw KB2026 07 24.13871117 26 57.382-01 19 48.32 ~7O55 20.3 GXNEOCPW62
P12onNw KB2026 07 24.16804017 26 56.491-01 19 43.60 ~7O55 20.2 GXNEOCPW62
P12onNw KB2026 07 24.90859017 26 34.47 -01 17 26.8 ~7OMo 19.5 GVNEOCPG02
P12onNw KB2026 07 24.91859217 26 34.14 -01 17 24.5 ~7OMo 19.8 GVNEOCPG02
P12onNw 1C2026 07 31.21356517 23 38.346-00 59 19.69 ~7VE5 LNEOCP658
P12onNw 1C2026 07 31.21802117 23 38.216-00 59 19.09 ~7VE5 LNEOCP658
P12onNw 1C2026 07 31.22136617 23 38.122-00 59 18.50 ~7VE5 LNEOCP658
P12onNw 1C2026 07 31.22472217 23 38.004-00 59 18.46 ~7VE5 LNEOCP658
P12onNw 1C2026 07 31.22806717 23 37.925-00 59 17.34 ~7VE5 LNEOCP658
P12onNw 1C2026 07 31.23141217 23 37.835-00 59 17.21 ~7VE5 LNEOCP658
P12onNw 0C2026 08 04.31244817 21 55.225-00 48 46.49 ~87L5 20.12GVNEOCPF51
P12onNw 0C2026 08 04.31786317 21 55.087-00 48 45.68 ~87L5 20.15GVNEOCPF51
P12onNw 0C2026 08 04.32328517 21 54.960-00 48 45.14 ~87L5 19.93GVNEOCPF51
P12onNw 0C2026 08 04.32871617 21 54.814-00 48 44.00 ~87L5 20.20GVNEOCPF51
P12onNw KC2026 08 05.91510617 21 17.460-00 44 54.89 ~85NK 19.78GXNEOCPM57
P12onNw KC2026 08 05.92277917 21 17.290-00 44 54.28 ~85NK 18.53GXNEOCPM57
P12onNw KC2026 08 05.93922617 21 16.913-00 44 50.89 ~85NK XNEOCPM57
P12onNw KB2026 08 06.90261617 20 55.032-00 42 35.82 ~876K ZNEOCPR49
P12onNw KB2026 08 06.94159717 20 54.120-00 42 30.49 ~876K 20.1 VZNEOCPR49
P12onNw 1C2026 08 06.97027017 20 53.47 -00 42 26.1 ~870Z 20.3 GVNEOCPZ31
P12onNw 1C2026 08 06.97337417 20 53.40 -00 42 25.7 ~870Z 20.2 GVNEOCPZ31
P12onNw 1C2026 08 06.97649817 20 53.33 -00 42 25.2 ~870Z 20.2 GVNEOCPZ31
P12onNw KB2026 08 06.97979217 20 53.239-00 42 25.38 ~876K 17.7 VZNEOCPR49
P12onNw KB2026 08 07.91255417 20 32.64 -00 40 16.7 ~87NZ 20.1 GVNEOCP104
P12onNw KB2026 08 07.94284017 20 31.96 -00 40 12.9 ~87NZ VNEOCP104
Station data:
(104) San Marcello Pistoiese (N44.064178 E10.803750) Italy. Observers P.
Bacci, M. Maestripieri. Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m
reflector + CCD.
(658) Dominion Astrophysical Observatory (N48.519984 W123.417000)
Canada/BritColumbia. Observer D. D. Balam. Measurers D. D. Balam, D. W.
E. Green, C. E. Spratt. 1.82-m 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.
(B74) Santa Maria de Montmagastrell (N41.720158 E1.105360) Spain. Observer
J. M. Bosch. 0.4-m f/1.2 Schmidt-Cassegrain + 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.
(G02) KYSUCE Observatory, Kysucke Nove Mesto (N49.307313 E18.765390)
Slovakia. Observer M. Urbanik. 0.40-m f/4.4 reflector + CCD.
(I41) Palomar Mountain--ZTF (N33.357336 W116.859780) US/California.
Observers B. T. Bolin, Z. T. F. Collaboration. Measurers B. T. Bolin,
Z.-Y. Lin, F. J. Masci. 1.2-m f/2.4 Schmidt.
(L06) Sormano 2 Observatory, Bellagio Via Lattea (N45.970100 E9.254030)
Italy. Observer G. Ventre. Measurers G. Ventre, P. Sicoli. 0.28-m f/10
reflector + CCD.
(M21) Schiaparelli Southern Observatory, Hakos (S23.236549 E16.361440)
Namibia. Observers A. Aletti, F. Bellini, L. Buzzi, G. Galli. Measurer L.
Buzzi. 0.36-m f/8.4 reflector + CCD.
(M45) Starhopper Observatory, Sfantu Gheorghe (N45.865494 E25.768890)
Romania. Observer F. Ursache. 0.41-m f/7.5 reflector + CMO.
(M57) Wide-field Mufara Telescope, Isnello (N37.868879 E14.020200) Italy.
Observer A. Nastasi. 1.00-m f/2.1 reflector + CCD.
(Q62) iTelescope Observatory, Siding Spring (S31.273286 E149.064420)
Australia/NSW. Observer H. Sato. 0.30-m f/9 reflector + CCD.
(R49) Observatorio Villuercas-Navezuelas, Navezuelas (N39.512739 W5.439520)
Spain.
(R59) Camarasa Observatory, Astrocamp Nerpio (N38.165429 W2.326580) Spain.
(T12) Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m) (N19.822991 W155.469434)
US/Hawaii. Observer R. Weryk. 2.24-m f/10.1 University of Hawaii
reflector.
(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.
(W62) Comet Hunter Observatory2, New Ringgold (N40.745185 W75.862390)
US/Pennsylvania. Observer J. Maikner. 0.30-m f/3.8 Riccardi-Honders + CCD.
(Y05) SONEAR Wykrota-CEAMIG, Serra da Piedade (S19.824251 W43.690000)
Brazil. Observer C. Jacques. 0.45-m f/2.9 reflector + CMO.
(Z31) Tenerife Observatory-LCO A, Tenerife (N28.300419 W16.511650) Canary
Islands (Spain). Observer J. D. Armstrong. Measurer M. Micheli. 1.0-m
reflector + CCD.
Orbital elements: P12onNw
Perihelion 2028 Jan 30.565738 +/- 2.14 TT = 13:34:39.7 (JD 2461801.065738)
Epoch 2026 Aug 7.0 TT = JDT 2461259.5 AutoNEOCP
M 359.995417962 +/- 0.019 (J2000 ecliptic)
n 0.000008460 +/- Peri. 74.219756 +/- 0.8
a2385.234550 +/- Node 265.697724 +/- 0.07
e 0.99781261 +/- 0.00834 Incl. 86.089165 +/- 0.23
P 116492 H 12.06 G 0.15 U 5.9
q 5.217437664 +/- 0.055 Q 4765.251664 +/- 58489
68 of 70 observations 2026 July 12-Aug. 7; mean residual 0".39
Residuals in arcseconds: 260712 I41 .59+ .33- 260717 L06 .08+ .25- 260724 G02 .36- .00 260712 I41 .09+ .18+ 260718 F51( .53+ .52+) 260731 658 .48+ .23+ 260712 I41 .49- .59- 260718 F51 .08- .02+ 260731 658 .31+ .11+ 260714 I41 .02- 1.4- 260718 F51 .19+ .10- 260731 658 .24+ .16+ 260714 I41 .77- .18- 260718 F51 .22- .13+ 260731 658 .19- .34- 260714 I41 .14+ .75- 260718 M45 .13+ .09- 260731 658 .03- .24+ 260714 F51 .11+ .01+ 260718 M45 .03+ .41+ 260731 658 .04- .17- 260714 F51 .19- .06+ 260718 M45 .39+ .00 260804 F51 .02+ .08+ 260714 F51 .18+ .05- 260720 W62( .70- 2.4-) 260804 F51 .05- .10+ 260714 F51 .45- .35- 260720 W62 .29- .24- 260804 F51 .04+ .16- 260715 Y05 .58- 1.1- 260720 673 .22+ .13+ 260804 F51 .15- .17+ 260715 Y05 .15- .06+ 260720 673 .80- .05+ 260805 M57 .31- .17- 260715 I41 .36- .59- 260720 Q62 .11- .08+ 260805 M57 .16- .65- 260715 I41 .73+ .07- 260720 Q62 .06+ .11+ 260805 M57 .04- .40+ 260715 T14 .08+ .12+ 260722 R59 .02+ .67- 260806 R49 .18+ .00 260715 T14 .02+ .10+ 260722 R59 .00 .43+ 260806 R49 .10- .09- 260715 T14 .03+ .05+ 260722 R59 1.0+ .71+ 260806 Z31 .14- .08+ 260715 M21 .49- .26+ 260722 T12 .05- .05- 260806 Z31 .12- .05+ 260715 M21 .07- .22+ 260722 T12 .06- .08- 260806 Z31 .09- .11+ 260717 B74 .07- 1.1+ 260722 T12 .01+ .03- 260806 R49 .23- .29- 260717 B74 .22+ .71+ 260724 W62 .19+ .15- 260807 104 .66+ .33+ 260717 B74 .58+ 1.3+ 260724 W62 .26+ .19+ 260807 104 .55+ .01+ 260717 L06 .66+ .81- 260724 W62 .25+ .56- 260717 L06 .53+ .63- 260724 G02 .10+ .46- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 08 11 14 17 19 16.405 -00 32 17.99 6.0106 6.5461 117.9 20.6 .364 119 2026 08 11 15 17 19 15.587 -00 32 12.79 6.0110 6.5460 117.8 20.6 .368 119 2026 08 11 16 17 19 14.771 -00 32 07.61 6.0114 6.5458 117.8 20.6 .371 119 2026 08 11 17 17 19 13.955 -00 32 02.43 6.0118 6.5456 117.8 20.6 .375 119 2026 08 11 18 17 19 13.140 -00 31 57.25 6.0122 6.5454 117.7 20.6 .379 119 2026 08 11 19 17 19 12.327 -00 31 52.08 6.0126 6.5453 117.7 20.6 .382 119 2026 08 11 20 17 19 11.514 -00 31 46.91 6.0130 6.5451 117.6 20.6 .386 119 2026 08 11 21 17 19 10.703 -00 31 41.75 6.0134 6.5449 117.6 20.6 .390 119 2026 08 11 22 17 19 09.893 -00 31 36.60 6.0138 6.5447 117.6 20.6 .394 119 2026 08 11 23 17 19 09.084 -00 31 31.45 6.0142 6.5445 117.5 20.6 .397 119 2026 08 12 00 17 19 08.276 -00 31 26.30 6.0146 6.5444 117.5 20.6 .401 118 2026 08 12 01 17 19 07.469 -00 31 21.16 6.0150 6.5442 117.4 20.6 .405 118 2026 08 12 02 17 19 06.663 -00 31 16.03 6.0154 6.5440 117.4 20.6 .409 118 2026 08 12 03 17 19 05.858 -00 31 10.90 6.0159 6.5438 117.4 20.6 .413 118 2026 08 12 04 17 19 05.054 -00 31 05.77 6.0163 6.5436 117.3 20.6 .417 118 2026 08 12 05 17 19 04.251 -00 31 00.65 6.0167 6.5435 117.3 20.6 .421 118 2026 08 12 06 17 19 03.450 -00 30 55.54 6.0171 6.5433 117.2 20.6 .425 118 2026 08 12 07 17 19 02.649 -00 30 50.43 6.0175 6.5431 117.2 20.6 .428 118 2026 08 12 08 17 19 01.850 -00 30 45.32 6.0179 6.5429 117.2 20.6 .432 118 2026 08 12 09 17 19 01.051 -00 30 40.22 6.0183 6.5428 117.1 20.6 .436 118 2026 08 12 10 17 19 00.254 -00 30 35.13 6.0187 6.5426 117.1 20.6 .440 118 2026 08 12 11 17 18 59.458 -00 30 30.04 6.0191 6.5424 117.0 20.6 .444 118 2026 08 12 12 17 18 58.663 -00 30 24.96 6.0195 6.5422 117.0 20.6 .449 118 2026 08 12 13 17 18 57.869 -00 30 19.88 6.0199 6.5420 117.0 20.6 .453 118 2026 08 12 14 17 18 57.076 -00 30 14.80 6.0203 6.5419 116.9 20.6 .457 117 2026 08 12 15 17 18 56.284 -00 30 09.73 6.0207 6.5417 116.9 20.6 .461 117 2026 08 12 16 17 18 55.493 -00 30 04.67 6.0211 6.5415 116.8 20.6 .465 117 2026 08 12 17 17 18 54.704 -00 29 59.61 6.0215 6.5413 116.8 20.6 .469 117 2026 08 12 18 17 18 53.915 -00 29 54.56 6.0219 6.5412 116.8 20.6 .473 117 2026 08 12 19 17 18 53.128 -00 29 49.51 6.0223 6.5410 116.7 20.6 .477 117 2026 08 12 20 17 18 52.341 -00 29 44.47 6.0227 6.5408 116.7 20.6 .482 117 2026 08 12 21 17 18 51.556 -00 29 39.43 6.0231 6.5406 116.6 20.6 .486 117 2026 08 12 22 17 18 50.772 -00 29 34.39 6.0236 6.5404 116.6 20.6 .490 117 2026 08 12 23 17 18 49.989 -00 29 29.36 6.0240 6.5403 116.6 20.6 .494 117 2026 08 13 00 17 18 49.207 -00 29 24.34 6.0244 6.5401 116.5 20.6 .499 117 2026 08 13 01 17 18 48.426 -00 29 19.32 6.0248 6.5399 116.5 20.6 .503 117 2026 08 13 02 17 18 47.646 -00 29 14.31 6.0252 6.5397 116.5 20.6 .507 117 2026 08 13 03 17 18 46.867 -00 29 09.30 6.0256 6.5396 116.4 20.6 .512 117 2026 08 13 04 17 18 46.089 -00 29 04.29 6.0260 6.5394 116.4 20.6 .516 117 2026 08 13 05 17 18 45.313 -00 28 59.30 6.0264 6.5392 116.3 20.6 .521 116 2026 08 13 06 17 18 44.537 -00 28 54.30 6.0268 6.5390 116.3 20.6 .525 116 2026 08 13 07 17 18 43.763 -00 28 49.31 6.0272 6.5388 116.3 20.6 .529 116 2026 08 13 08 17 18 42.989 -00 28 44.33 6.0276 6.5387 116.2 20.6 .534 116 2026 08 13 09 17 18 42.217 -00 28 39.35 6.0281 6.5385 116.2 20.6 .538 116 2026 08 13 10 17 18 41.446 -00 28 34.38 6.0285 6.5383 116.1 20.6 .543 116 2026 08 13 11 17 18 40.676 -00 28 29.41 6.0289 6.5381 116.1 20.6 .547 116 2026 08 13 12 17 18 39.907 -00 28 24.44 6.0293 6.5380 116.1 20.6 .552 116 2026 08 13 13 17 18 39.139 -00 28 19.49 6.0297 6.5378 116.0 20.6 .556 116