"Pseudo-MPEC" for CDGUYY2
Created 2025 Sep 27 23:35:05 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
CDGUYY2*1C2025 09 24.42866702 48 31.129-01 52 02.28 ~9OB5 21.88GVNEOCPG96
CDGUYY2 1C2025 09 24.43388002 48 31.313-01 52 05.48 ~9OB5 21.26GVNEOCPG96
CDGUYY2 1C2025 09 24.43908602 48 31.511-01 52 08.18 ~9OB5 21.61GVNEOCPG96
CDGUYY2 1C2025 09 24.44429502 48 31.702-01 52 09.48 ~9OB5 21.09GVNEOCPG96
CDGUYY2 C2025 09 24.46630002 48 32.590-01 52 18.80 ~9OC5 20.9 RVNEOCP291
CDGUYY2 C2025 09 24.47378002 48 32.880-01 52 21.80 ~9OC5 20.9 RVNEOCP291
CDGUYY2 C2025 09 24.48133002 48 33.170-01 52 25.20 ~9OC5 20.8 RVNEOCP291
CDGUYY2 !C2025 09 25.06240102 48 58.812-01 56 36.73 ~9PC5 20.5 GVNEOCPJ04
CDGUYY2 !C2025 09 25.07231402 48 59.162-01 56 40.96 ~9PC5 20.4 GVNEOCPJ04
CDGUYY2 !C2025 09 25.08222702 48 59.530-01 56 45.28 ~9PC5 20.5 GVNEOCPJ04
CDGUYY2 |C2025 09 25.22569002 49 05.530-01 57 32.50 ~9P6K 20.5 GVNEOCP807
CDGUYY2 |C2025 09 25.23479002 49 05.860-01 57 36.50 ~9P6K 21.1 GVNEOCP807
CDGUYY2 |C2025 09 25.24389002 49 06.180-01 57 40.70 ~9P6K 21.0 GVNEOCP807
CDGUYY2 KC2025 09 25.33770702 49 10.103-01 58 37.13 ~9P95 20.75GVNEOCPI52
CDGUYY2 KC2025 09 25.34559502 49 10.391-01 58 40.55 ~9P95 21.17GVNEOCPI52
CDGUYY2 KC2025 09 25.35310402 49 10.675-01 58 43.82 ~9P95 21.00GVNEOCPI52
CDGUYY2 KC2025 09 25.36091402 49 10.970-01 58 46.92 ~9P95 21.22GVNEOCPI52
CDGUYY2 KC2025 09 26.32244002 49 48.85 -02 05 44.8 ~9Q8Z 21.3 GVNEOCPH21
CDGUYY2 KC2025 09 26.32803202 49 49.05 -02 05 47.4 ~9Q8Z 20.9 GVNEOCPH21
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.
(G96) Mt. Lemmon Survey (N32.442729 W110.788720) US/Arizona. Observer E.
J. Christensen. + 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. 0.40-m f/5.32 astrograph + CCD.
(I52) Steward Observatory, Mt. Lemmon Station (N32.442570 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.
(J04) ESA Optical Ground Station, Tenerife (N28.300957 W16.511820) Canary
Islands (Spain). Observer R. Kresken. Measurers M. Micheli, D. Koschny,
E. Schwab, M. Busch, A. Knöfel. 1.0-m f/4.4 reflector + CCD.
Orbital elements: CDGUYY2
Perihelion 2025 Sep 5.193030 +/- 2.34 TT = 4:37:57.7 (JD 2460923.693030)
Epoch 2025 Sep 26.0 TT = JDT 2460944.5 Earth MOID: 0.4833 AutoNEOCP
M 4.196629296 +/- 0.20 (J2000 ecliptic)
n 0.201693433 +/- 0.0146 Peri. 230.377247 +/- 2.6
a 2.879662186 +/- 0.139 Node 131.404091 +/- 1.0
e 0.48848013 +/- 0.0243 Incl. 7.380855 +/- 0.10
P 4.88666 H 20.45 G 0.15 U 9.9
q 1.473004425 +/- 0.00533 Q 4.286319946 +/- 0.276
From 19 observations 2025 Sept. 24-26 (45.6 hr); mean residual 0".24
Residuals in arcseconds: 250924 G96 .05+ .46+ 250925 J04 .23+ .04- 250925 I52 .27- .09- 250924 G96 .19- .48- 250925 J04 .02- .04+ 250925 I52 .07- .10- 250924 G96 .21- .92- 250925 J04 .03+ .04+ 250925 I52 .15+ .20+ 250924 G96 .34- .04+ 250925 807 .13+ .12+ 250926 H21 .09- .09+ 250924 291 .16+ .15+ 250925 807 .12+ .08+ 250926 H21 .12+ .09- 250924 291 .20+ .39+ 250925 807 .02- .17- 250924 291 .19+ .26+ 250925 I52 .32- .10- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2025 09 28 00 02 50 48.642 -02 17 36.65 .56918 1.4902 141.5 21.2 .615 43 2025 09 28 01 02 50 50.026 -02 17 54.48 .56913 1.4902 141.5 21.2 .635 43 2025 09 28 02 02 50 51.404 -02 18 12.31 .56908 1.4903 141.5 21.2 .656 43 2025 09 28 03 02 50 52.778 -02 18 30.13 .56902 1.4903 141.6 21.2 .677 42 2025 09 28 04 02 50 54.147 -02 18 47.94 .56897 1.4904 141.6 21.2 .698 42 2025 09 28 05 02 50 55.511 -02 19 05.75 .56892 1.4905 141.6 21.2 .719 42 2025 09 28 06 02 50 56.869 -02 19 23.56 .56887 1.4905 141.6 21.2 .741 42 2025 09 28 07 02 50 58.223 -02 19 41.36 .56881 1.4906 141.7 21.2 .763 42 2025 09 28 08 02 50 59.572 -02 19 59.15 .56876 1.4907 141.7 21.2 .786 41 2025 09 28 09 02 51 00.915 -02 20 16.94 .56871 1.4907 141.7 21.2 .808 41 2025 09 28 10 02 51 02.254 -02 20 34.72 .56866 1.4908 141.8 21.2 .831 41 2025 09 28 11 02 51 03.588 -02 20 52.49 .56861 1.4908 141.8 21.2 .855 41 2025 09 28 12 02 51 04.916 -02 21 10.26 .56856 1.4909 141.8 21.2 .879 41 2025 09 28 13 02 51 06.240 -02 21 28.02 .56851 1.4910 141.8 21.2 .903 41 2025 09 28 14 02 51 07.558 -02 21 45.77 .56846 1.4910 141.9 21.2 .927 40 2025 09 28 15 02 51 08.872 -02 22 03.52 .56840 1.4911 141.9 21.2 .952 40 2025 09 28 16 02 51 10.180 -02 22 21.27 .56835 1.4912 141.9 21.2 .977 40 2025 09 28 17 02 51 11.484 -02 22 39.00 .56830 1.4912 142.0 21.2 1.00 40 2025 09 28 18 02 51 12.782 -02 22 56.73 .56825 1.4913 142.0 21.2 1.03 40 2025 09 28 19 02 51 14.075 -02 23 14.45 .56821 1.4914 142.0 21.2 1.05 40 2025 09 28 20 02 51 15.364 -02 23 32.17 .56816 1.4914 142.1 21.2 1.08 40 2025 09 28 21 02 51 16.647 -02 23 49.88 .56811 1.4915 142.1 21.2 1.11 40 2025 09 28 22 02 51 17.926 -02 24 07.58 .56806 1.4916 142.1 21.2 1.13 40 2025 09 28 23 02 51 19.199 -02 24 25.28 .56801 1.4916 142.1 21.2 1.16 40 2025 09 29 00 02 51 20.467 -02 24 42.97 .56796 1.4917 142.2 21.2 1.19 40 2025 09 29 01 02 51 21.731 -02 25 00.65 .56791 1.4917 142.2 21.2 1.22 39 2025 09 29 02 02 51 22.989 -02 25 18.32 .56786 1.4918 142.2 21.2 1.25 39 2025 09 29 03 02 51 24.243 -02 25 35.99 .56782 1.4919 142.3 21.2 1.27 39 2025 09 29 04 02 51 25.491 -02 25 53.65 .56777 1.4919 142.3 21.2 1.30 39 2025 09 29 05 02 51 26.734 -02 26 11.30 .56772 1.4920 142.3 21.2 1.33 39 2025 09 29 06 02 51 27.973 -02 26 28.95 .56767 1.4921 142.3 21.2 1.36 39 2025 09 29 07 02 51 29.206 -02 26 46.59 .56763 1.4921 142.4 21.2 1.39 39 2025 09 29 08 02 51 30.434 -02 27 04.22 .56758 1.4922 142.4 21.2 1.42 39 2025 09 29 09 02 51 31.658 -02 27 21.84 .56753 1.4923 142.4 21.2 1.45 39 2025 09 29 10 02 51 32.876 -02 27 39.46 .56749 1.4923 142.5 21.2 1.48 39 2025 09 29 11 02 51 34.090 -02 27 57.06 .56744 1.4924 142.5 21.2 1.51 39 2025 09 29 12 02 51 35.298 -02 28 14.66 .56739 1.4925 142.5 21.2 1.55 39 2025 09 29 13 02 51 36.502 -02 28 32.26 .56735 1.4925 142.6 21.2 1.58 39 2025 09 29 14 02 51 37.700 -02 28 49.84 .56730 1.4926 142.6 21.2 1.61 39 2025 09 29 15 02 51 38.894 -02 29 07.42 .56726 1.4927 142.6 21.2 1.64 39 2025 09 29 16 02 51 40.082 -02 29 24.99 .56721 1.4927 142.6 21.2 1.68 39 2025 09 29 17 02 51 41.266 -02 29 42.55 .56717 1.4928 142.7 21.2 1.71 39 2025 09 29 18 02 51 42.444 -02 30 00.10 .56712 1.4929 142.7 21.2 1.74 39 2025 09 29 19 02 51 43.618 -02 30 17.64 .56708 1.4929 142.7 21.2 1.78 39 2025 09 29 20 02 51 44.787 -02 30 35.18 .56703 1.4930 142.8 21.2 1.81 39 2025 09 29 21 02 51 45.950 -02 30 52.71 .56699 1.4931 142.8 21.2 1.84 39 2025 09 29 22 02 51 47.109 -02 31 10.23 .56694 1.4931 142.8 21.2 1.88 39 2025 09 29 23 02 51 48.263 -02 31 27.74 .56690 1.4932 142.9 21.2 1.91 39