"Pseudo-MPEC" for C9HHJX2
Created 2023 Sep 20 17:22:10 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
C9HHJX2*1C2023 09 18.39994303 32 15.544+07 29 16.73 ~9IAM 20.67GVNEOCPG96
C9HHJX2 1C2023 09 18.40509803 32 15.860+07 29 14.53 ~9IAM 20.47GVNEOCPG96
C9HHJX2 1C2023 09 18.41024003 32 16.192+07 29 12.44 ~9IAM 20.72GVNEOCPG96
C9HHJX2 1C2023 09 18.41539803 32 16.501+07 29 10.28 ~9IAM 20.51GVNEOCPG96
C9HHJX2 mC2023 09 18.49411803 32 21.368+07 28 37.52 ~9ICM 20.90GVNEOCPI52
C9HHJX2 mC2023 09 18.49896803 32 21.646+07 28 35.62 ~9ICM 21.11GVNEOCPI52
C9HHJX2 mC2023 09 18.50336503 32 21.995+07 28 34.46 ~9ICM VNEOCPI52
C9HHJX2 mC2023 09 18.50777503 32 22.222+07 28 31.73 ~9ICM VNEOCPI52
C9HHJX2 1C2023 09 19.04942 03 32 57.77 +07 24 42.6 ~9J7M 20.8 VXNEOCP033
C9HHJX2 1C2023 09 19.05086 03 32 57.84 +07 24 42.0 ~9J7M 20.5 VXNEOCP033
C9HHJX2 1C2023 09 19.05231 03 32 57.94 +07 24 41.4 ~9J7M 20.6 VXNEOCP033
C9HHJX2 KC2023 09 19W1h`YYAstrometryAJ-+4#YP=redacted;y:)Fgd6jWZY$J=uDN-H21
C9HHJX2 KC2023 09 19fh@E0jclickR;$/N.LhereNUtCt0for3QDlVexplanationIcQG7H21
Station data:
(033) Karl Schwarzschild Observatory, Tautenburg (N50.980137 E11.711240)
Germany. Observer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
(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: C9HHJX2
Perihelion 2023 Aug 17.02947 +/- 80.6 TT = 0:42:25 (JD 2460173.52947)
Epoch 2023 Sep 19.0 TT = JDT 2460206.5 Earth MOID: 0.6674 Ju: 0.1436
M 4.07525818 +/- 40 (J2000 ecliptic) AutoNEOCP
n 0.12360303 +/- 0.115 Peri. 205.45961 +/- 57
a 3.99132066 +/- 2.48 Node 158.82392 +/- 9
e 0.5827600 +/- 0.145 Incl. 8.98083 +/- 1.5
P 7.97 H 18.60 G 0.15 U 11.3 SR
q 1.66533823 +/- 0.229 Q 6.31730309 +/- 1.49
From 13 observations 2023 Sept. 18-19 (22.8 hr); mean residual 0".29
Residuals in arcseconds: 230918 G96 .40+ .02- 230918 I52 .84- .02- 230919 033 .02+ .01- 230918 G96 .28+ .09- 230918 I52 .27+ .66+ 230919 H21 .02+ .00 230918 G96 .43+ .05- 230918 I52 .44- .23- 230919 H21 .09+ .00 230918 G96 .22+ .08- 230919 033 .16+ .02- 230918 I52 .48- .14- 230919 033 .13- .01- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2023 09 20 17 03 34 40.984 +07 12 57.81 .92982 1.7021 123.2 20.9 15.8 75 2023 09 20 18 03 34 43.496 +07 12 39.63 .92965 1.7022 123.3 20.9 16.5 75 2023 09 20 19 03 34 46.004 +07 12 21.44 .92949 1.7023 123.3 20.9 17.2 75 2023 09 20 20 03 34 48.508 +07 12 03.23 .92933 1.7023 123.3 20.9 18.0 76 2023 09 20 21 03 34 51.007 +07 11 45.00 .92917 1.7024 123.4 20.9 18.7 76 2023 09 20 22 03 34 53.502 +07 11 26.76 .92901 1.7025 123.4 20.9 19.5 76 2023 09 20 23 03 34 55.993 +07 11 08.51 .92885 1.7026 123.4 20.9 20.3 76 2023 09 21 00 03 34 58.480 +07 10 50.24 .92869 1.7027 123.4 20.9 21.1 76 2023 09 21 01 03 35 00.962 +07 10 31.96 .92853 1.7028 123.5 20.9 21.9 76 2023 09 21 02 03 35 03.441 +07 10 13.66 .92837 1.7029 123.5 20.9 22.7 76 2023 09 21 03 03 35 05.915 +07 09 55.34 .92821 1.7029 123.5 20.9 23.5 76 2023 09 21 04 03 35 08.385 +07 09 37.01 .92805 1.7030 123.6 20.9 24.4 76 2023 09 21 05 03 35 10.850 +07 09 18.67 .92789 1.7031 123.6 20.9 25.3 76 2023 09 21 06 03 35 13.312 +07 09 00.31 .92773 1.7032 123.6 20.9 26.2 76 2023 09 21 07 03 35 15.769 +07 08 41.94 .92757 1.7033 123.7 20.9 27.1 76 2023 09 21 08 03 35 18.222 +07 08 23.55 .92741 1.7034 123.7 20.9 28.0 77 2023 09 21 09 03 35 20.671 +07 08 05.15 .92725 1.7035 123.7 20.9 28.9 77 2023 09 21 10 03 35 23.115 +07 07 46.74 .92709 1.7036 123.7 20.9 29.9 77 2023 09 21 11 03 35 25.556 +07 07 28.31 .92693 1.7037 123.8 20.9 30.8 77 2023 09 21 12 03 35 27.992 +07 07 09.86 .92677 1.7037 123.8 20.9 31.8 77 2023 09 21 13 03 35 30.424 +07 06 51.40 .92662 1.7038 123.8 20.9 32.8 77 2023 09 21 14 03 35 32.852 +07 06 32.93 .92646 1.7039 123.9 20.9 33.8 77 2023 09 21 15 03 35 35.275 +07 06 14.44 .92630 1.7040 123.9 20.9 34.9 77 2023 09 21 16 03 35 37.694 +07 05 55.93 .92614 1.7041 123.9 20.9 35.9 77 2023 09 21 17 03 35 40.109 +07 05 37.42 .92598 1.7042 124.0 20.9 37.0 77 2023 09 21 18 03 35 42.520 +07 05 18.89 .92583 1.7043 124.0 20.9 38.0 77 2023 09 21 19 03 35 44.927 +07 05 00.34 .92567 1.7044 124.0 20.9 39.1 77 2023 09 21 20 03 35 47.329 +07 04 41.78 .92551 1.7045 124.0 20.9 40.2 77 2023 09 21 21 03 35 49.727 +07 04 23.21 .92535 1.7045 124.1 20.9 41.3 77 2023 09 21 22 03 35 52.121 +07 04 04.62 .92520 1.7046 124.1 20.9 42.5 77 2023 09 21 23 03 35 54.511 +07 03 46.01 .92504 1.7047 124.1 20.9 43.6 77 2023 09 22 00 03 35 56.897 +07 03 27.40 .92488 1.7048 124.2 20.9 44.8 77 2023 09 22 01 03 35 59.278 +07 03 08.77 .92473 1.7049 124.2 20.9 46.0 77 2023 09 22 02 03 36 01.655 +07 02 50.12 .92457 1.7050 124.2 20.9 47.2 77 2023 09 22 03 03 36 04.027 +07 02 31.46 .92441 1.7051 124.3 20.9 48.4 77 2023 09 22 04 03 36 06.396 +07 02 12.79 .92426 1.7052 124.3 20.9 49.6 77 2023 09 22 05 03 36 08.760 +07 01 54.10 .92410 1.7053 124.3 20.9 50.8 77 2023 09 22 06 03 36 11.120 +07 01 35.40 .92395 1.7054 124.4 20.9 52.1 77 2023 09 22 07 03 36 13.476 +07 01 16.68 .92379 1.7054 124.4 20.9 53.4 77 2023 09 22 08 03 36 15.828 +07 00 57.95 .92364 1.7055 124.4 20.9 54.7 77 2023 09 22 09 03 36 18.175 +07 00 39.21 .92348 1.7056 124.4 20.9 56.0 77 2023 09 22 10 03 36 20.518 +07 00 20.45 .92333 1.7057 124.5 20.9 57.3 77 2023 09 22 11 03 36 22.857 +07 00 01.68 .92317 1.7058 124.5 20.9 58.6 77 2023 09 22 12 03 36 25.191 +06 59 42.90 .92302 1.7059 124.5 20.9 60.0 77 2023 09 22 13 03 36 27.521 +06 59 24.10 .92286 1.7060 124.6 20.9 61.3 77 2023 09 22 14 03 36 29.848 +06 59 05.29 .92271 1.7061 124.6 20.9 62.7 77 2023 09 22 15 03 36 32.169 +06 58 46.46 .92255 1.7062 124.6 20.9 64.1 77 2023 09 22 16 03 36 34.487 +06 58 27.62 .92240 1.7063 124.7 20.9 65.5 77