"Pseudo-MPEC" for 3CI2121

Created 2023 Mar 28 2:22:02 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

• Astrometry
• Astrometry (from NEOCP, if available)
• 'Scout' (JPL) information
• Observing stations
• Orbital elements
• Residuals
• Ephemeris
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 Astrometry: 
     3CI2121*KC2023 03 18pr9(f?XeVAstrometry7q@6e(`'SZbDZ=gC[s0WD)JLoh)4GnD^eW94
     3CI2121 KC2023 03 18dN*F4eyHNw(Eeredacted;%Z^68(s/h+8V,`jKr/e-tU8!'q\?-NW94
     3CI2121 KC2023 03 19Hj1HOIX[/2%4Qxwp_K4n(P,click)1$eQe9SF*dH3g'oherePmtxW94
     3CI2121 KC2023 03 19r;nW@)LH32REj=P01)0oGX(49w-L\_DwTV=7\@JHro9iyI(Yo)kRL18
     3CI2121 KC2023 03 19=+O[l!=Qn_0fvl,G:Xp-Gp0RCK\5#StSi@.`KbforU1ru-[.39Y@L18
     3CI2121 KC2023 03 19:O+[Nh=ckK7x:Wa)I/:v*!:ed'XexplanationCsr-i-[1%yWP6/L18

Station data:
(L18) QOS Observatory, Zalistci  (N48.848292 E26.718280)  Ukraine.  Observers
   O. V. Kravchenko, Y. V. Tanasiychuk. Measurer A. M. Kozhukhov. 0.50-m
   f/3.8 reflector + CCD.
(W94) AMACS1, San Pedro de Atacama  (S22.953074 W68.179810)  Chile.  Observers
   A. Maury, G. Attard. Measurers A. Maury, G. Attard, D. Parrott. 0.28-m
   f/2.2 Schmidt + CCD.

Orbital elements:  3CI2121
   Perihelion 2023 Jun 24.31280 +/- 10.7 TT =  7:30:25 (JD 2460119.81280)
Epoch 2023 Mar 19.0 TT = JDT 2460022.5   Earth MOID: 0.0135      AutoNEOCP
M 254.15532479 +/- 23               (J2000 ecliptic)
n   1.08767479 +/- 0.13             Peri.  114.44363 +/- 25
a   0.93641854 +/- 0.0747           Node   182.79096 +/- 0.43
e   0.1579660 +/- 0.0588            Incl.    8.92924 +/- 1.2
P   0.91/330.98d           H 21.89  G  0.15   U 11.4
q 0.78849618 +/- 0.116    Q 1.08434091 +/- 0.0388
From 6 observations 2023 Mar. 18-19 (19.2 hr); mean residual 0".75

Residuals in arcseconds: 
230318 W94  .25+  1.0-    230319 W94  .62+  .39-    230319 L18  .09-  1.1-    
230318 W94  .86-  1.4+    230319 L18  .55+  .46+    230319 L18  .46-  .66+    

Ephemerides (geocentric):
Date (UTC) HH   RA             Dec           delta  r     elong  mag " sig PA
---- --------  ------------   ------------  ------ ------ -----  --- --------
2023 03 28 02  04 31 38.006   +24 54 34.86  .05590 .97400  63.2 20.0 6518 142
2023 03 28 03  04 31 15.631   +25 00 23.00  .05596 .97389  63.1 20.0 6565 142
2023 03 28 04  04 30 53.261   +25 06 10.15  .05602 .97379  63.0 20.1 6611 141
2023 03 28 05  04 30 30.895   +25 11 56.31  .05608 .97368  62.9 20.1 6658 141
2023 03 28 06  04 30 08.533   +25 17 41.48  .05614 .97357  62.8 20.1 6705 141
2023 03 28 07  04 29 46.175   +25 23 25.66  .05621 .97346  62.7 20.1 6751 141
2023 03 28 08  04 29 23.822   +25 29 08.84  .05627 .97335  62.6 20.1 6798 141
2023 03 28 09  04 29 01.473   +25 34 51.02  .05633 .97324  62.5 20.1 6844 141
2023 03 28 10  04 28 39.128   +25 40 32.21  .05639 .97313  62.4 20.1 6891 141
2023 03 28 11  04 28 16.788   +25 46 12.41  .05646 .97302  62.3 20.1 6938 141
2023 03 28 12  04 27 54.453   +25 51 51.60  .05652 .97291  62.2 20.1 6984 141
2023 03 28 13  04 27 32.122   +25 57 29.79  .05658 .97281  62.1 20.1 7031 141
2023 03 28 14  04 27 09.796   +26 03 06.99  .05665 .97270  62.0 20.1 7077 141
2023 03 28 15  04 26 47.475   +26 08 43.19  .05671 .97259  61.9 20.2 7124 141
2023 03 28 16  04 26 25.158   +26 14 18.38  .05677 .97248  61.8 20.2 7170 141
2023 03 28 17  04 26 02.847   +26 19 52.57  .05684 .97237  61.7 20.2 7217 141
2023 03 28 18  04 25 40.540   +26 25 25.77  .05690 .97226  61.6 20.2 7263 141
2023 03 28 19  04 25 18.238   +26 30 57.95  .05697 .97215  61.5 20.2 7310 141
2023 03 28 20  04 24 55.942   +26 36 29.14  .05703 .97204  61.4 20.2 7356 141
2023 03 28 21  04 24 33.650   +26 41 59.32  .05710 .97193  61.2 20.2 7403 141
2023 03 28 22  04 24 11.364   +26 47 28.50  .05717 .97182  61.1 20.2 7449 141
2023 03 28 23  04 23 49.083   +26 52 56.67  .05723 .97171  61.0 20.2 7495 141
2023 03 29 00  04 23 26.808   +26 58 23.84  .05730 .97160  60.9 20.2 7542 140
2023 03 29 01  04 23 04.537   +27 03 50.00  .05736 .97149  60.8 20.2 7588 140
2023 03 29 02  04 22 42.273   +27 09 15.15  .05743 .97138  60.7 20.3 7634 140
2023 03 29 03  04 22 20.013   +27 14 39.30  .05750 .97127  60.6 20.3 7680 140
2023 03 29 04  04 21 57.760   +27 20 02.44  .05757 .97116  60.5 20.3 7726 140
2023 03 29 05  04 21 35.512   +27 25 24.58  .05763 .97106  60.4 20.3 7773 140
2023 03 29 06  04 21 13.269   +27 30 45.71  .05770 .97095  60.3 20.3 7819 140
2023 03 29 07  04 20 51.033   +27 36 05.83  .05777 .97084  60.2 20.3 7865 140
2023 03 29 08  04 20 28.802   +27 41 24.95  .05784 .97073  60.1 20.3 7911 140
2023 03 29 09  04 20 06.577   +27 46 43.05  .05791 .97062  60.0 20.3 7957 140
2023 03 29 10  04 19 44.358   +27 52 00.15  .05797 .97051  59.9 20.3 8003 140
2023 03 29 11  04 19 22.146   +27 57 16.24  .05804 .97040  59.8 20.3 8049 140
2023 03 29 12  04 18 59.939   +28 02 31.33  .05811 .97029  59.7 20.3 8095 140
2023 03 29 13  04 18 37.738   +28 07 45.40  .05818 .97018  59.6 20.4 8140 140
2023 03 29 14  04 18 15.544   +28 12 58.47  .05825 .97007  59.5 20.4 8186 140
2023 03 29 15  04 17 53.356   +28 18 10.53  .05832 .96996  59.4 20.4 8232 140
2023 03 29 16  04 17 31.175   +28 23 21.59  .05839 .96985  59.3 20.4 8277 140
2023 03 29 17  04 17 09.000   +28 28 31.63  .05846 .96974  59.2 20.4 8323 140
2023 03 29 18  04 16 46.831   +28 33 40.67  .05853 .96963  59.1 20.4 8369 140
2023 03 29 19  04 16 24.669   +28 38 48.70  .05860 .96952  59.0 20.4 8414 140
2023 03 29 20  04 16 02.513   +28 43 55.73  .05867 .96941  58.9 20.4 8460 139
2023 03 29 21  04 15 40.365   +28 49 01.75  .05875 .96930  58.8 20.4 8505 139
2023 03 29 22  04 15 18.223   +28 54 06.76  .05882 .96919  58.7 20.4 8550 139
2023 03 29 23  04 14 56.088   +28 59 10.76  .05889 .96908  58.6 20.4 8596 139
2023 03 30 00  04 14 33.960   +29 04 13.76  .05896 .96897  58.6 20.5 8641 139
2023 03 30 01  04 14 11.838   +29 09 15.76  .05903 .96886  58.5 20.5 8686 139