"Pseudo-MPEC" for X90690
Created 2026 Oct 5 23:35:23 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
X90690 * C2026 10 05.59721023 54 07.174+14 59 08.20 ~A5JZ 20.67RVNEOCPD29
X90690 C2026 10 05.61135123 54 02.351+14 59 37.62 ~A5JZ 20.98RVNEOCPD29
X90690 C2026 10 05.62549323 53 57.515+15 00 04.51 ~A5JZ 21.03RVNEOCPD29
Station data:
(D29) Purple Mountain Observatory, XuYi Station (N32.734363 E118.463900)
China. Observers H. B. Zhao, B. Li, G. Zhaori, R. Q. Hong, L. F. Hu.
Measurers H. B. Zhao, B. Li. H. Lu, G. Zhaori. 1.04-m f/1.8 Schmidt + CCD.
Orbital elements: X90690
Perihelion 2027 Jan 24.097055 +/- 98.7 TT = 2:19:45.5 (JD 2461429.597055)
Epoch 2026 Oct 6.0 TT = JDT 2461319.5 Earth MOID: 0.1825 Ve: 0.0486
M 279.357220937 +/- 80 Ma: 0.0404 AutoNEOCP
n 0.732469899 +/- 0.409 Peri. 134.008730 +/- 80
a 1.218829230 +/- 0.454 Node 2.764058 +/- 43
e 0.40561273 +/- 0.266 Incl. 26.339547 +/- 26
P 1.346/491.478d H 22.26 G 0.15 U 12.2 SR
q 0.724456570 +/- 0.366 Q 1.713201890 +/- 21.8 (J2000 ecliptic)
From 3 observations 2026 Oct. 5 (40.7 min); mean residual 0".41
Residuals in arcseconds: 261005 D29 .02- .41- 261005 D29 .05+ .83+ 261005 D29 .02- .41- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 10 06 00 23 51 52.619 +15 12 35.74 .34321 1.3323 163.2 21.3 587 97 2026 10 06 01 23 51 38.673 +15 13 58.31 .34309 1.3320 163.2 21.3 657 96 2026 10 06 02 23 51 24.717 +15 15 20.85 .34296 1.3318 163.1 21.3 728 95 2026 10 06 03 23 51 10.750 +15 16 43.36 .34284 1.3316 163.0 21.3 801 95 2026 10 06 04 23 50 56.773 +15 18 05.85 .34272 1.3313 162.9 21.3 875 94 2026 10 06 05 23 50 42.787 +15 19 28.31 .34260 1.3311 162.9 21.3 950 94 2026 10 06 06 23 50 28.789 +15 20 50.74 .34248 1.3308 162.8 21.3 1028 94 2026 10 06 07 23 50 14.782 +15 22 13.15 .34235 1.3306 162.7 21.3 1107 93 2026 10 06 08 23 50 00.765 +15 23 35.52 .34223 1.3304 162.6 21.3 1188 93 2026 10 06 09 23 49 46.738 +15 24 57.87 .34211 1.3301 162.5 21.3 1270 93 2026 10 06 10 23 49 32.701 +15 26 20.19 .34200 1.3299 162.5 21.3 1355 93 2026 10 06 11 23 49 18.654 +15 27 42.48 .34188 1.3297 162.4 21.3 1443 93 2026 10 06 12 23 49 04.597 +15 29 04.74 .34176 1.3294 162.3 21.3 1532 93 2026 10 06 13 23 48 50.531 +15 30 26.97 .34164 1.3292 162.2 21.3 1624 93 2026 10 06 14 23 48 36.455 +15 31 49.16 .34153 1.3290 162.1 21.3 1719 93 2026 10 06 15 23 48 22.369 +15 33 11.33 .34141 1.3287 162.1 21.3 1817 93 2026 10 06 16 23 48 08.273 +15 34 33.47 .34129 1.3285 162.0 21.3 1919 93 2026 10 06 17 23 47 54.168 +15 35 55.57 .34118 1.3283 161.9 21.3 2023 93 2026 10 06 18 23 47 40.054 +15 37 17.64 .34106 1.3280 161.8 21.3 2132 93 2026 10 06 19 23 47 25.930 +15 38 39.67 .34095 1.3278 161.7 21.3 2245 93 2026 10 06 20 23 47 11.797 +15 40 01.68 .34084 1.3276 161.7 21.3 2362 93 2026 10 06 21 23 46 57.654 +15 41 23.65 .34073 1.3273 161.6 21.3 2484 93 2026 10 06 22 23 46 43.502 +15 42 45.58 .34061 1.3271 161.5 21.3 2611 93 2026 10 06 23 23 46 29.341 +15 44 07.48 .34050 1.3268 161.4 21.3 2744 93 2026 10 07 00 23 46 15.171 +15 45 29.35 .34039 1.3266 161.3 21.3 2884 93 2026 10 07 01 23 46 00.992 +15 46 51.18 .34028 1.3264 161.2 21.3 3031 92 2026 10 07 02 23 45 46.804 +15 48 12.97 .34017 1.3261 161.2 21.3 3186 92 2026 10 07 03 23 45 32.606 +15 49 34.73 .34006 1.3259 161.1 21.3 3350 92 2026 10 07 04 23 45 18.400 +15 50 56.45 .33995 1.3257 161.0 21.3 3525 92 2026 10 07 05 23 45 04.185 +15 52 18.13 .33985 1.3254 160.9 21.3 3712 91 2026 10 07 06 23 44 49.961 +15 53 39.78 .33974 1.3252 160.8 21.3 3915 90 2026 10 07 07 23 44 35.729 +15 55 01.39 .33963 1.3250 160.8 21.3 4141 88 2026 10 07 08 23 44 21.487 +15 56 22.95 .33953 1.3247 160.7 21.3 4416 83 2026 10 07 09 23 44 07.237 +15 57 44.48 .33942 1.3245 160.6 21.3 4883 65 2026 10 07 10 23 43 52.979 +15 59 05.97 .33932 1.3242 160.5 21.3 6306 37 2026 10 07 11 23 43 38.712 +16 00 27.42 .33921 1.3240 160.4 21.3 170' 29 2026 10 07 12 23 43 24.436 +16 01 48.83 .33911 1.3238 160.3 21.3 418' 45 2026 10 07 13 23 43 10.152 +16 03 10.20 .33901 1.3235 160.3 21.3 927' 85 2026 10 07 14 23 42 55.860 +16 04 31.53 .33890 1.3233 160.2 21.3 996' 96 2026 10 07 15 23 42 41.560 +16 05 52.82 .33880 1.3231 160.1 21.3 17d 99 2026 10 07 16 23 42 27.251 +16 07 14.06 .33870 1.3228 160.0 21.3 17d 100 2026 10 07 17 23 42 12.934 +16 08 35.26 .33860 1.3226 159.9 21.3 17d 101 2026 10 07 18 23 41 58.609 +16 09 56.42 .33850 1.3223 159.8 21.4 18d 101 2026 10 07 19 23 41 44.276 +16 11 17.54 .33840 1.3221 159.8 21.4 18d 102 2026 10 07 20 23 41 29.935 +16 12 38.61 .33830 1.3219 159.7 21.4 18d 102 2026 10 07 21 23 41 15.586 +16 13 59.64 .33820 1.3216 159.6 21.4 18d 102 2026 10 07 22 23 41 01.229 +16 15 20.62 .33811 1.3214 159.5 21.4 18d 102 2026 10 07 23 23 40 46.864 +16 16 41.56 .33801 1.3212 159.4 21.4 18d 102