"Pseudo-MPEC" for P21D8H4
Created 2023 Jan 26 17:22:15 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P21D8H4* C2023 01 22VWx;m9FM4bwn*pU1Gjh0BeMnH:o7HKn)#c)q#)DkEu9OEn;l_)[HF52
P21D8H4* C2023 01 22*Oqxy.FJ#O(@3yCpwipr(y=w:/\Ce=lIG=GFKnJ(wRId+F[(5QPqF52
P21D8H4 C2023 01 22oEZQBHhII+qIWet9b'2cnxGIpQ@evUp?U?-$B9ulJ:@c1F82i.'AF52
P21D8H4 C2023 01 22U*8,JW]YN4GcmiVB57UDHVJ:BAstrometry9H#4W-L=2^k2VYtMPF52
P21D8H4 C2023 01 22o8W`G!.#%Fredacted;r$#,[13SCq-4)dn^Ahk0EQX:5%p5wu9^0F52
P21D8H4 C2023 01 22$qcGhq[K5*As%_;pJa\;pKufaLaT0LX[5%#,:NAxon$/0N3K*of@F52
P21D8H4 C2023 01 22aA[h\5x.GZDL]*AfL?5tCD^L1/VP1!kR\YhL2wsclickluF)%AI+F52
P21D8H4 C2023 01 22`_Z^]doN@OXQPI]3]L9o#2;RXxWSH=nawRDomC6CUBM%%:b+S1bfF52
P21D8H4 C2023 01 22L:xJLRLiF3@R25H%3^hPG`jcEDt.dHb%N:Qq:?7lQ':0nSg\3q^MF52
P21D8H4 C2023 01 22aGs_v'Iv)f!X-)uLAgW\gpi.,%D*Al#ZB^here*rAJtS*[]%-XGdF52
P21D8H4 C2023 01 22Z)+*rnjNs52:[5ufor#MYuo)IHg*+mk=:/wwo[IcLw6adQvyyM9NF52
P21D8H4 C2023 01 22vvRxc6^V\!JkyG:4pW`Hn!2ywe%P8r%hn1gWGK4)L^O%`i:VGT$oF52
P21D8H4 C2023 01 22Vjn-VM^HE=79NXJu)^Y/w.i7Q]mRkLGGpo/LBmuA0f48D_g'wFjNF52
P21D8H4 3C2023 01 24.3e`p3lb9:explanationc/cr\`?1'OwpAuU/V,U[4X^gJFdd6N6T14
P21D8H4 3C2023 01 24r4V)o_Ze'/t6e[EepcSpA8^l8d0VT8mLI/vbC;iRj%qK%7Ahjkd(T14
P21D8H4 3C2023 01 24)VuH@QYD)9G8i06+yhOY:T8QOAtD$$TSu*(.)1GP$7::vn\%'vY?T14
P21D8H4 KC2023 01 26.40887 10 10 48.98 +10 22 11.4 ~1QCb VNEOCP691
P21D8H4 KC2023 01 26.42834 10 10 48.57 +10 21 37.2 ~1QCb VNEOCP691
Station data:
(691) Steward Observatory, Kitt Peak - Spacewatch (N31.962174 W111.600327)
US/Arizona. Observer J. V. Scotti. 0.9-m f/3 reflector + CCD.
(F52) Pan-STARRS 2, Haleakala (N20.707382 W156.255910) US/Hawaii.
Observers J. Bulger, T. Dukes, T. Lowe, A. Schultz, M. Willman. Measurers
K. Chambers, S. Chastel, T. de Boer, L. Denneau, J. Fairlamb, H.
Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat,
R. Weryk. 1.8-m Ritchey-Chrétien + CCD.
(T14) Mauna Kea-UH/Tholen NEO Follow-Up (CFHT) (N19.825252 W155.468876)
US/Hawaii. 3.6-m Canada-France-Hawaii Telescope.
Orbital elements: P21D8H4
Perihelion 2023 Apr 3.91790 +/- 0.0754 TT = 22:01:46 (JD 2460038.41790)
Epoch 2023 Jan 26.0 TT = JDT 2459970.5 Earth MOID: 0.2980 Ma: 0.0721
M 341.90769714 +/- 0.16 (J2000 ecliptic) AutoNEOCP
n 0.26638489 +/- 0.00246 Peri. 235.11663 +/- 0.08
a 2.39219358 +/- 0.0147 Node 312.69710 +/- 0.023
e 0.4868399 +/- 0.0028 Incl. 13.35780 +/- 0.052
P 3.70 H 21.52 G 0.15 U 8.7
q 1.22757810 +/- 0.0011 Q 3.55680907 +/- 0.0286
From 18 observations 2023 Jan. 22-26; mean residual 0".11
Residuals in arcseconds: 230122 F52 .05+ .07- 230122 F52 .05+ .05+ 230122 F52 .00 .04+ 230122 F52 .12+ .04+ 230122 F52 .28- .03+ 230124 T14 .01+ .04+ 230122 F52 .11+ .06+ 230122 F52 .09+ .00 230124 T14 .00 .02- 230122 F52 .05+ .08+ 230122 F52 .07+ .05- 230124 T14 .01- .02- 230122 F52 .31- .31- 230122 F52 .08+ .09- 230126 691 .08- .02- 230122 F52 .04- .20+ 230122 F52 .01- .04+ 230126 691 .07+ .02+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2023 01 26 17 10 10 44.565 +10 13 31.12 .46207 1.4173 155.1 21.5 .211 104 2023 01 26 18 10 10 43.909 +10 12 17.45 .46176 1.4171 155.2 21.5 .220 104 2023 01 26 19 10 10 43.248 +10 11 03.70 .46145 1.4169 155.2 21.5 .228 104 2023 01 26 20 10 10 42.582 +10 09 49.89 .46113 1.4166 155.3 21.5 .237 103 2023 01 26 21 10 10 41.911 +10 08 35.99 .46082 1.4164 155.3 21.5 .246 103 2023 01 26 22 10 10 41.236 +10 07 22.02 .46051 1.4162 155.3 21.5 .255 103 2023 01 26 23 10 10 40.555 +10 06 07.98 .46020 1.4160 155.4 21.5 .264 103 2023 01 27 00 10 10 39.870 +10 04 53.86 .45989 1.4158 155.4 21.5 .273 103 2023 01 27 01 10 10 39.180 +10 03 39.67 .45958 1.4156 155.4 21.5 .283 103 2023 01 27 02 10 10 38.485 +10 02 25.40 .45927 1.4154 155.5 21.5 .292 103 2023 01 27 03 10 10 37.785 +10 01 11.06 .45896 1.4152 155.5 21.5 .302 102 2023 01 27 04 10 10 37.080 +09 59 56.64 .45865 1.4150 155.6 21.5 .312 102 2023 01 27 05 10 10 36.370 +09 58 42.15 .45834 1.4148 155.6 21.5 .322 102 2023 01 27 06 10 10 35.656 +09 57 27.58 .45803 1.4146 155.6 21.5 .332 102 2023 01 27 07 10 10 34.936 +09 56 12.93 .45772 1.4144 155.7 21.5 .342 102 2023 01 27 08 10 10 34.212 +09 54 58.21 .45741 1.4142 155.7 21.5 .353 102 2023 01 27 09 10 10 33.483 +09 53 43.42 .45710 1.4139 155.7 21.5 .363 102 2023 01 27 10 10 10 32.749 +09 52 28.55 .45679 1.4137 155.8 21.5 .374 102 2023 01 27 11 10 10 32.010 +09 51 13.61 .45648 1.4135 155.8 21.5 .385 102 2023 01 27 12 10 10 31.266 +09 49 58.58 .45618 1.4133 155.8 21.5 .396 102 2023 01 27 13 10 10 30.517 +09 48 43.49 .45587 1.4131 155.9 21.5 .407 102 2023 01 27 14 10 10 29.764 +09 47 28.32 .45556 1.4129 155.9 21.5 .418 102 2023 01 27 15 10 10 29.006 +09 46 13.07 .45525 1.4127 156.0 21.5 .429 101 2023 01 27 16 10 10 28.242 +09 44 57.75 .45495 1.4125 156.0 21.5 .441 101 2023 01 27 17 10 10 27.474 +09 43 42.35 .45464 1.4123 156.0 21.5 .453 101 2023 01 27 18 10 10 26.701 +09 42 26.87 .45434 1.4121 156.1 21.5 .464 101 2023 01 27 19 10 10 25.924 +09 41 11.32 .45403 1.4119 156.1 21.5 .476 101 2023 01 27 20 10 10 25.141 +09 39 55.70 .45373 1.4117 156.1 21.5 .488 101 2023 01 27 21 10 10 24.353 +09 38 39.99 .45342 1.4115 156.2 21.5 .501 101 2023 01 27 22 10 10 23.561 +09 37 24.21 .45312 1.4113 156.2 21.5 .513 101 2023 01 27 23 10 10 22.764 +09 36 08.36 .45281 1.4111 156.2 21.5 .526 101 2023 01 28 00 10 10 21.962 +09 34 52.43 .45251 1.4108 156.3 21.5 .538 101 2023 01 28 01 10 10 21.155 +09 33 36.42 .45220 1.4106 156.3 21.5 .551 101 2023 01 28 02 10 10 20.343 +09 32 20.34 .45190 1.4104 156.4 21.5 .564 101 2023 01 28 03 10 10 19.526 +09 31 04.18 .45160 1.4102 156.4 21.5 .577 101 2023 01 28 04 10 10 18.705 +09 29 47.95 .45129 1.4100 156.4 21.5 .590 101 2023 01 28 05 10 10 17.878 +09 28 31.63 .45099 1.4098 156.5 21.5 .603 101 2023 01 28 06 10 10 17.047 +09 27 15.25 .45069 1.4096 156.5 21.5 .617 101 2023 01 28 07 10 10 16.211 +09 25 58.78 .45039 1.4094 156.5 21.5 .631 101 2023 01 28 08 10 10 15.370 +09 24 42.24 .45009 1.4092 156.6 21.5 .644 101 2023 01 28 09 10 10 14.524 +09 23 25.63 .44978 1.4090 156.6 21.4 .658 101 2023 01 28 10 10 10 13.674 +09 22 08.93 .44948 1.4088 156.7 21.4 .672 101 2023 01 28 11 10 10 12.818 +09 20 52.16 .44918 1.4086 156.7 21.4 .686 101 2023 01 28 12 10 10 11.958 +09 19 35.31 .44888 1.4084 156.7 21.4 .701 101 2023 01 28 13 10 10 11.093 +09 18 18.39 .44858 1.4082 156.8 21.4 .715 101 2023 01 28 14 10 10 10.223 +09 17 01.39 .44828 1.4080 156.8 21.4 .730 101 2023 01 28 15 10 10 09.348 +09 15 44.31 .44798 1.4078 156.8 21.4 .744 101 2023 01 28 16 10 10 08.468 +09 14 27.16 .44768 1.4076 156.9 21.4 .759 101