"Pseudo-MPEC" for C9HGU12
Created 2023 Sep 24 14:22:12 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
C9HGU12*1C2023 09 18.37623402 31 24.823+07 48 48.13 ~9I9q 19.80GVNEOCPG96
C9HGU12 1C2023 09 18.38142802 31 25.316+07 49 50.95 ~9I9q 20.02GVNEOCPG96
C9HGU12 1C2023 09 18.38663002 31 25.781+07 50 53.74 ~9I9q 19.98GVNEOCPG96
C9HGU12 1C2023 09 18.39186302 31 26.267+07 51 55.98 ~9I9q 20.16GVNEOCPG96
C9HGU12 mC2023 09 18.46756702 31 32.250+08 06 09.40 ~9IBb 19.49GVNEOCPI52
C9HGU12 mC2023 09 18.46915202 31 32.340+08 06 26.53 ~9IBb 20.79GVNEOCPI52
C9HGU12 mC2023 09 18.46936802 31 32.430+08 06 29.05 ~9IBb 20.35GVNEOCPI52
C9HGU12 mC2023 09 18.47091202 31 32.527+08 06 45.54 ~9IBb 20.45GVNEOCPI52
C9HGU12 KC2023 09 19Z=Astrometryg'Gv(q9Nu_+ThP)y[e9Jrn=(6\+JSrRTHZK;b!n.H21
C9HGU12 KC2023 09 19CxLLredacted;%a@283)click@#here?%for(explanationrQZLH21
C9HGU12 C2023 09 19.50731 02 35 40.34 +10 09 20.4 ~9K07 20.8 GVNEOCPG96
C9HGU12 C2023 09 19.50773 02 35 40.38 +10 09 21.9 ~9K07 20.9 GVNEOCPG96
C9HGU12 C2023 09 19.51235 02 35 40.34 +10 09 42.0 ~9K07 20.8 GVNEOCPG96
Station data:
(G96) Mt. Lemmon Survey (N32.442751 W110.788720) US/Arizona. Observer E.
J. Christensen. 1.5-m reflector + 10K CCD.
(H21) Astronomical Research Observatory, Westfield (N39.483054 W87.968270)
US/Illinois. Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T.
Linder, R. Holmes. 0.76-m f/3.0 astrograph + CCD0.81-m f/4.0 astrograph +
CCD0.61-m f/4.5 astrograph + CCD0.40-m f/5.32 astrograph + CCD.
(I52) Steward Observatory, Mt. Lemmon Station (N32.442544 W110.788920)
US/Arizona. Observers T. A. Pruyne, B. M. Africano, E. J. Christensen, G.
A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Gröller, J. A.
Johnson, 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.
Orbital elements: C9HGU12
Perihelion 2023 Aug 28.97527 +/- 0.00143 TT = 23:24:23 (JD 2460185.47527)
Epoch 2023 Sep 19.0 TT = JDT 2460206.5 Earth MOID: 0.0008 Ma: 0.0169
M 6.13745036 +/- 0.014 (J2000 ecliptic) AutoNEOCP
n 0.29191577 +/- 0.000672 Peri. 163.04789 +/- 0.025
a 2.25059669 +/- 0.00345 Node 166.76272 +/- 0.021
e 0.5660259 +/- 0.000682 Incl. 0.43763 +/- 0.0009
P 3.38 H 28.68 G 0.15 U 7.8
q 0.97670054 +/- 3.8e-5 Q 3.52449284 +/- 0.00695
From 13 observations 2023 Sept. 18-19 (27.3 hr); mean residual 0".25
Residuals in arcseconds: 230918 G96 .27- .00 230918 I52 .59- .16- 230919 G96 .47- .09+ 230918 G96 .06- .02- 230918 I52 .47+ .06+ 230919 G96 .19+ .24- 230918 G96 .04- .27+ 230918 I52 .07- .10+ 230919 G96 .18+ .29- 230918 G96 .47+ .10+ 230919 H21 .20+ .16+ 230918 I52 .10+ .35- 230919 H21 .12- .19+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2023 09 24 14 02 40 13.485 +12 34 27.01 .04263 1.0359 139.3 23.5 1.57 16 2023 09 24 15 02 40 13.830 +12 34 51.24 .04286 1.0361 139.3 23.5 1.58 16 2023 09 24 16 02 40 14.163 +12 35 15.19 .04308 1.0363 139.4 23.5 1.59 16 2023 09 24 17 02 40 14.484 +12 35 38.86 .04330 1.0365 139.4 23.5 1.60 16 2023 09 24 18 02 40 14.792 +12 36 02.27 .04352 1.0366 139.4 23.5 1.60 16 2023 09 24 19 02 40 15.089 +12 36 25.40 .04374 1.0368 139.5 23.5 1.61 16 2023 09 24 20 02 40 15.374 +12 36 48.28 .04396 1.0370 139.5 23.5 1.62 16 2023 09 24 21 02 40 15.648 +12 37 10.89 .04418 1.0372 139.5 23.5 1.63 16 2023 09 24 22 02 40 15.910 +12 37 33.25 .04440 1.0373 139.6 23.5 1.63 16 2023 09 24 23 02 40 16.160 +12 37 55.35 .04462 1.0375 139.6 23.6 1.64 16 2023 09 25 00 02 40 16.399 +12 38 17.21 .04484 1.0377 139.7 23.6 1.65 16 2023 09 25 01 02 40 16.627 +12 38 38.82 .04506 1.0379 139.7 23.6 1.66 16 2023 09 25 02 02 40 16.845 +12 39 00.19 .04528 1.0381 139.7 23.6 1.66 16 2023 09 25 03 02 40 17.051 +12 39 21.33 .04551 1.0382 139.8 23.6 1.67 16 2023 09 25 04 02 40 17.246 +12 39 42.22 .04573 1.0384 139.8 23.6 1.68 16 2023 09 25 05 02 40 17.431 +12 40 02.89 .04595 1.0386 139.9 23.6 1.68 16 2023 09 25 06 02 40 17.605 +12 40 23.33 .04617 1.0388 139.9 23.6 1.69 16 2023 09 25 07 02 40 17.769 +12 40 43.54 .04639 1.0390 139.9 23.6 1.70 16 2023 09 25 08 02 40 17.922 +12 41 03.53 .04661 1.0391 140.0 23.6 1.70 16 2023 09 25 09 02 40 18.066 +12 41 23.30 .04683 1.0393 140.0 23.7 1.71 16 2023 09 25 10 02 40 18.199 +12 41 42.85 .04705 1.0395 140.0 23.7 1.72 16 2023 09 25 11 02 40 18.322 +12 42 02.19 .04727 1.0397 140.1 23.7 1.72 16 2023 09 25 12 02 40 18.435 +12 42 21.32 .04749 1.0399 140.1 23.7 1.73 16 2023 09 25 13 02 40 18.539 +12 42 40.23 .04772 1.0400 140.2 23.7 1.74 17 2023 09 25 14 02 40 18.632 +12 42 58.95 .04794 1.0402 140.2 23.7 1.74 17 2023 09 25 15 02 40 18.716 +12 43 17.46 .04816 1.0404 140.2 23.7 1.75 17 2023 09 25 16 02 40 18.791 +12 43 35.77 .04838 1.0406 140.3 23.7 1.76 17 2023 09 25 17 02 40 18.856 +12 43 53.89 .04860 1.0408 140.3 23.7 1.76 17 2023 09 25 18 02 40 18.912 +12 44 11.80 .04882 1.0410 140.4 23.7 1.77 17 2023 09 25 19 02 40 18.958 +12 44 29.53 .04904 1.0411 140.4 23.7 1.77 17 2023 09 25 20 02 40 18.996 +12 44 47.07 .04926 1.0413 140.4 23.8 1.78 17 2023 09 25 21 02 40 19.024 +12 45 04.42 .04948 1.0415 140.5 23.8 1.79 17 2023 09 25 22 02 40 19.043 +12 45 21.58 .04971 1.0417 140.5 23.8 1.79 17 2023 09 25 23 02 40 19.054 +12 45 38.56 .04993 1.0419 140.6 23.8 1.80 17 2023 09 26 00 02 40 19.055 +12 45 55.36 .05015 1.0421 140.6 23.8 1.80 17 2023 09 26 01 02 40 19.048 +12 46 11.98 .05037 1.0422 140.6 23.8 1.81 17 2023 09 26 02 02 40 19.032 +12 46 28.42 .05059 1.0424 140.7 23.8 1.81 17 2023 09 26 03 02 40 19.008 +12 46 44.69 .05081 1.0426 140.7 23.8 1.82 17 2023 09 26 04 02 40 18.975 +12 47 00.79 .05103 1.0428 140.8 23.8 1.83 17 2023 09 26 05 02 40 18.933 +12 47 16.71 .05126 1.0430 140.8 23.8 1.83 17 2023 09 26 06 02 40 18.884 +12 47 32.47 .05148 1.0432 140.8 23.8 1.84 17 2023 09 26 07 02 40 18.825 +12 47 48.07 .05170 1.0434 140.9 23.8 1.84 17 2023 09 26 08 02 40 18.759 +12 48 03.49 .05192 1.0435 140.9 23.9 1.85 17 2023 09 26 09 02 40 18.685 +12 48 18.76 .05214 1.0437 141.0 23.9 1.85 17 2023 09 26 10 02 40 18.602 +12 48 33.87 .05236 1.0439 141.0 23.9 1.86 17 2023 09 26 11 02 40 18.512 +12 48 48.81 .05258 1.0441 141.0 23.9 1.86 17 2023 09 26 12 02 40 18.413 +12 49 03.61 .05281 1.0443 141.1 23.9 1.87 17 2023 09 26 13 02 40 18.307 +12 49 18.24 .05303 1.0445 141.1 23.9 1.87 17