"Pseudo-MPEC" for X90289

Created 2026 Sep 8 8:35:22 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     X90289 * C2026 09 07.75893400 49 33.708+11 47 30.95   ~97Mo 21.27RVNEOCPD29
     X90289   C2026 09 07.77130700 49 34.713+11 47 46.72   ~97Mo 20.65RVNEOCPD29
     X90289   C2026 09 07.78368100 49 35.730+11 48 06.37   ~97Mo 20.92RVNEOCPD29

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:  X90289
   Perihelion 2026 Nov 12.222028 +/- 34.5 TT =  5:19:43.2 (JD 2461356.722028)
Epoch 2026 Sep  8.0 TT = JDT 2461291.5   Earth MOID: 0.0069   Ve: 0.0300
M 326.499370299 +/- 28              Ma: 0.0421                   AutoNEOCP
n   0.513639801 +/- 0.408           Peri.  265.010783 +/- 100
a   1.544176490 +/- 0.818           Node   203.274202 +/- 60
e   0.69074531 +/- 0.249            Incl.    1.977363 +/- 4.4
P   1.919/700.867d         H 23.08  G  0.15   U 12.1  SR
q 0.477543820 +/- 0.418    Q 2.610809159 +/- 39.6         (J2000 ecliptic)
From 3 observations 2026 Sept. 7 (35.6 min); mean residual 0".65
Residuals in arcseconds: 
260907 D29  .02+  .65+    260907 D29  .05-  1.3-    260907 D29  .00   .63+    

Ephemerides (geocentric):
Date (UTC) HH   RA             Dec           delta  r     elong  mag " sig PA
---- --------  ------------   ------------  ------ ------ -----  --- --------
2026 09 08 09  00 50 34.803   +12 02 58.99  .20897 1.1907 148.5 21.3  24d  99
2026 09 08 10  00 50 39.050   +12 04 02.97  .20841 1.1903 148.5 21.2  24d  99
2026 09 08 11  00 50 43.315   +12 05 07.23  .20785 1.1898 148.5 21.2  25d  99
2026 09 08 12  00 50 47.597   +12 06 11.78  .20729 1.1893 148.6 21.2  29d  95
2026 09 08 13  00 50 51.896   +12 07 16.62  .20673 1.1888 148.6 21.2  29d  94
2026 09 08 14  00 50 56.214   +12 08 21.75  .20617 1.1883 148.6 21.2  30d  93
2026 09 08 15  00 51 00.549   +12 09 27.17  .20562 1.1878 148.6 21.2  30d  93
2026 09 08 16  00 51 04.903   +12 10 32.88  .20506 1.1873 148.6 21.2  30d  94
2026 09 08 17  00 51 09.275   +12 11 38.89  .20450 1.1868 148.6 21.2  33d  92
2026 09 08 18  00 51 13.665   +12 12 45.20  .20394 1.1864 148.6 21.2  34d  91
2026 09 08 19  00 51 18.074   +12 13 51.81  .20338 1.1859 148.7 21.2  34d  91
2026 09 08 20  00 51 22.502   +12 14 58.73  .20282 1.1854 148.7 21.2  34d  91
2026 09 08 21  00 51 26.949   +12 16 05.95  .20226 1.1849 148.7 21.2  34d  91
2026 09 08 22  00 51 31.415   +12 17 13.48  .20171 1.1844 148.7 21.2  34d  91
2026 09 08 23  00 51 35.900   +12 18 21.32  .20115 1.1839 148.7 21.2  34d  91
2026 09 09 00  00 51 40.405   +12 19 29.48  .20059 1.1834 148.7 21.1  34d  91
2026 09 09 01  00 51 44.929   +12 20 37.96  .20003 1.1829 148.7 21.1  34d  90
2026 09 09 02  00 51 49.474   +12 21 46.75  .19948 1.1824 148.8 21.1  34d  90
2026 09 09 03  00 51 54.038   +12 22 55.87  .19892 1.1820 148.8 21.1  34d  90
2026 09 09 04  00 51 58.623   +12 24 05.31  .19836 1.1815 148.8 21.1  34d  90
2026 09 09 05  00 52 03.228   +12 25 15.08  .19781 1.1810 148.8 21.1  34d  90
2026 09 09 06  00 52 07.854   +12 26 25.17  .19725 1.1805 148.8 21.1  34d  90
2026 09 09 07  00 52 12.500   +12 27 35.61  .19669 1.1800 148.8 21.1  34d  90
2026 09 09 08  00 52 17.167   +12 28 46.38  .19614 1.1795 148.8 21.1  34d  90
2026 09 09 09  00 52 21.856   +12 29 57.48  .19558 1.1790 148.8 21.1  35d  90
2026 09 09 10  00 52 26.566   +12 31 08.93  .19502 1.1785 148.9 21.1  35d  91
2026 09 09 11  00 52 31.298   +12 32 20.72  .19447 1.1780 148.9 21.1  35d  91
2026 09 09 12  00 52 36.051   +12 33 32.86  .19391 1.1775 148.9 21.1  35d  91
2026 09 09 13  00 52 40.826   +12 34 45.36  .19336 1.1771 148.9 21.1  35d  91
2026 09 09 14  00 52 45.624   +12 35 58.20  .19280 1.1766 148.9 21.0  36d  92
2026 09 09 15  00 52 50.444   +12 37 11.40  .19225 1.1761 148.9 21.0  39d  91
2026 09 09 16  00 52 55.286   +12 38 24.96  .19169 1.1756 148.9 21.0  41d  90
2026 09 09 17  00 53 00.152   +12 39 38.88  .19113 1.1751 148.9 21.0  43d  89
2026 09 09 18  00 53 05.040   +12 40 53.17  .19058 1.1746 149.0 21.0  43d  88
2026 09 09 19  00 53 09.952   +12 42 07.83  .19002 1.1741 149.0 21.0  44d  88
2026 09 09 20  00 53 14.887   +12 43 22.86  .18947 1.1736 149.0 21.0  44d  88
2026 09 09 21  00 53 19.845   +12 44 38.26  .18892 1.1731 149.0 21.0  44d  88
2026 09 09 22  00 53 24.828   +12 45 54.05  .18836 1.1726 149.0 21.0  44d  88
2026 09 09 23  00 53 29.835   +12 47 10.21  .18781 1.1721 149.0 21.0  45d  88
2026 09 10 00  00 53 34.866   +12 48 26.76  .18725 1.1716 149.0 21.0  45d  87
2026 09 10 01  00 53 39.922   +12 49 43.70  .18670 1.1712 149.0 21.0  45d  87
2026 09 10 02  00 53 45.002   +12 51 01.03  .18615 1.1707 149.0 21.0  45d  87
2026 09 10 03  00 53 50.108   +12 52 18.75  .18559 1.1702 149.1 21.0  45d  87
2026 09 10 04  00 53 55.239   +12 53 36.88  .18504 1.1697 149.1 20.9  45d  88
2026 09 10 05  00 54 00.396   +12 54 55.41  .18449 1.1692 149.1 20.9  46d  88
2026 09 10 06  00 54 05.578   +12 56 14.34  .18393 1.1687 149.1 20.9  46d  88
2026 09 10 07  00 54 10.787   +12 57 33.68  .18338 1.1682 149.1 20.9  47d  88
2026 09 10 08  00 54 16.022   +12 58 53.44  .18283 1.1677 149.1 20.9  47d  87