"Pseudo-MPEC" for P21kLr4

Created 2021 Sep 15 10:07:30 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     P21kLr4  C2021 09 10dvSo?deS6nAstrometryT_h/81]@_LhGu1Y5hynRud_j)#/\9#6RF52
     P21kLr4  C2021 09 10kFD]e;cS11(wDqeCeqPVbY3qtRY@R#v6BlSO#WcOe,:\%jlg$Y_@F52
     P21kLr4  C2021 09 10`3Ls-%P^osPredacted;HSAT*UsjIclick0o:]r6v8vcdIqCy/lrF52
     P21kLr4  C2021 09 10_ou86!Ft0@dYP4M,qEBG7r0VAhere[yuDFm);hv+CB%SbCglW:S(F52
     P21kLr4  C2021 09 10:O)forQHn-CO-t-fWH.S-,vf_8/_AAexplanation8I[g-fi!t3*F51
     P21kLr4  C2021 09 10[+XhK6j4iw@?cYXL`=m'/qv$(f%VS/78hYd$IRGFrgcQy67p)r%hF51
     P21kLr4 KC2021 09 11!XKA][tGsg5RQmV]:U[@`4VR*_Jc:merr`0S5WF3-9ij-EECe+WAH21
     P21kLr4 KC2021 09 11][b%u/DG'+W4@h;B4NOM=?5X(#5#aQ^#132U[m`l'Z[voJ+CAJX^H21
     P21kLr4 KC2021 09 11BjfF%ia1(dB;Pwvw8i$r$!Os%ZpG_(+'rK'Rnhcv,_8\6hY(18!5H21
     P21kLr4 ^C2021 09 11.22899421 02 05.648+14 27 15.27   ~9BDq 21.91GVNEOCP568
     P21kLr4 ^C2021 09 11.22997021 02 05.716+14 27 17.82   ~9BDq 21.90GVNEOCP568
     P21kLr4 ^C2021 09 11.23095121 02 05.786+14 27 20.40   ~9BDq 22.00GVNEOCP568
     P21kLr4 KC2021 09 15.16841 21 07 29.58 +17 00 22.2    ~9F5M       oNEOCP291
     P21kLr4 KC2021 09 15.18865 21 07 31.11 +17 01 03.5    ~9F5M       oNEOCP291

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.
(568) Mauna Kea  (N19.826116 W155.472200)  US/Hawaii.
(F51) Pan-STARRS 1, Haleakala  (N20.707235 W156.255910)  US/Hawaii.
   Observers N. Primak, A. Schultz, S. Watters, J. Thiel, T. Goggia. Measurer
   PS1 Science Consortium. 1.8-m Ritchey-Chrétien + CCD.
(F52) Pan-STARRS 2, Haleakala  (N20.707384 W156.255910)  US/Hawaii. 1.8-m
   Ritchey-Chrétien + CCD.
(H21) Astronomical Research Observatory, Westfield  (N39.483057 W87.968270)
   US/Illinois. 0.76-m f/3.0 astrograph + CCD.

Orbital elements:  P21kLr4
   Perihelion 2021 Aug 15.741832 +/- 0.0705843 TT = 17:48:14 (JD 2459442.241832)
Epoch 2021 Sep 15.0 TT = JDT 2459472.5   Earth MOID: 0.1878   AutoNEOCP
M   6.74489635 +/- 0.1235924        (J2000 ecliptic)
n   0.22291158 +/- 0.00433413       Peri.  359.90250 +/- 0.0806903
a   2.69389678 +/- 0.0349167        Node   320.24923 +/- 0.0274431
e   0.5541384 +/- 0.00533277        Incl.   16.14705 +/- 0.0864999
P   4.42                   H 23.4   G  0.15   U  9.1  
q 1.20110494 +/- 0.00123587    Q 4.18668861 +/- 0.0697077
From 14 observations 2021 Sept. 10-15; mean residual 0".23
Residuals in arcseconds: 
210910 F52  .05+  .08-    210910 F51  .02+  .07+    210911 568  .10-  .10-    
210910 F52  .00   .06+    210911 H21  .14-  .12+    210911 568  .08-  .07-    
210910 F52  .13+  .13-    210911 H21  .42+  .08+    210915 291  .17-  .72+    
210910 F52  .03-  .04+    210911 H21  .10-  .14+    210915 291  .19+  .72-    
210910 F51  .08-  .02-    210911 568  .10-  .11-    

Ephemerides (geocentric):
Date (UTC) HH   RA              Dec         delta   r     elong  mag " sig PA
---- -- -- --  -------------   -----------  ------ ------ -----  --- ---- ---
2021 09 15 10  21 07 50.306   +17 09 08.09  .30590 1.2528 139.0 22.7 .088  95
2021 09 15 11  21 07 53.858   +17 10 34.55  .30615 1.2529 139.0 22.7 .102  98
2021 09 15 12  21 07 57.412   +17 12 00.83  .30639 1.2530 139.0 22.7 .116 100
2021 09 15 13  21 08 00.969   +17 13 26.91  .30664 1.2532 139.0 22.7 .131 102
2021 09 15 14  21 08 04.527   +17 14 52.81  .30688 1.2533 139.0 22.7 .146 103
2021 09 15 15  21 08 08.088   +17 16 18.52  .30713 1.2535 138.9 22.7 .161 105
2021 09 15 16  21 08 11.650   +17 17 44.04  .30737 1.2536 138.9 22.7 .176 106
2021 09 15 17  21 08 15.215   +17 19 09.38  .30762 1.2537 138.9 22.7 .192 106
2021 09 15 18  21 08 18.782   +17 20 34.53  .30786 1.2539 138.9 22.7 .208 107
2021 09 15 19  21 08 22.351   +17 21 59.49  .30811 1.2540 138.9 22.7 .224 108
2021 09 15 20  21 08 25.922   +17 23 24.27  .30836 1.2541 138.8 22.7 .240 108
2021 09 15 21  21 08 29.495   +17 24 48.87  .30860 1.2543 138.8 22.7 .257 109
2021 09 15 22  21 08 33.070   +17 26 13.27  .30885 1.2544 138.8 22.7 .273 109
2021 09 15 23  21 08 36.648   +17 27 37.50  .30910 1.2545 138.8 22.7 .290 110
2021 09 16 00  21 08 40.227   +17 29 01.54  .30934 1.2547 138.7 22.7 .308 110
2021 09 16 01  21 08 43.808   +17 30 25.39  .30959 1.2548 138.7 22.7 .325 110
2021 09 16 02  21 08 47.392   +17 31 49.06  .30984 1.2550 138.7 22.7 .343 111
2021 09 16 03  21 08 50.977   +17 33 12.55  .31009 1.2551 138.7 22.7 .361 111
2021 09 16 04  21 08 54.565   +17 34 35.86  .31033 1.2552 138.7 22.7 .379 111
2021 09 16 05  21 08 58.155   +17 35 58.98  .31058 1.2554 138.6 22.7 .397 111
2021 09 16 06  21 09 01.746   +17 37 21.92  .31083 1.2555 138.6 22.7 .416 112
2021 09 16 07  21 09 05.340   +17 38 44.68  .31108 1.2557 138.6 22.7 .434 112
2021 09 16 08  21 09 08.936   +17 40 07.25  .31133 1.2558 138.6 22.7 .453 112
2021 09 16 09  21 09 12.534   +17 41 29.65  .31157 1.2559 138.6 22.7 .473 112
2021 09 16 10  21 09 16.134   +17 42 51.86  .31182 1.2561 138.5 22.7 .492 112
2021 09 16 11  21 09 19.736   +17 44 13.89  .31207 1.2562 138.5 22.7 .512 112
2021 09 16 12  21 09 23.340   +17 45 35.75  .31232 1.2564 138.5 22.7 .532 113
2021 09 16 13  21 09 26.946   +17 46 57.42  .31257 1.2565 138.5 22.7 .552 113
2021 09 16 14  21 09 30.554   +17 48 18.91  .31282 1.2566 138.5 22.7 .572 113
2021 09 16 15  21 09 34.165   +17 49 40.22  .31307 1.2568 138.4 22.7 .592 113
2021 09 16 16  21 09 37.777   +17 51 01.35  .31332 1.2569 138.4 22.7 .613 113
2021 09 16 17  21 09 41.391   +17 52 22.31  .31357 1.2571 138.4 22.7 .634 113
2021 09 16 18  21 09 45.008   +17 53 43.08  .31382 1.2572 138.4 22.7 .655 113
2021 09 16 19  21 09 48.626   +17 55 03.68  .31407 1.2573 138.3 22.8 .676 113
2021 09 16 20  21 09 52.246   +17 56 24.10  .31432 1.2575 138.3 22.8 .698 113
2021 09 16 21  21 09 55.869   +17 57 44.34  .31457 1.2576 138.3 22.8 .719 114
2021 09 16 22  21 09 59.493   +17 59 04.40  .31482 1.2578 138.3 22.8 .741 114
2021 09 16 23  21 10 03.120   +18 00 24.29  .31507 1.2579 138.3 22.8 .764 114
2021 09 17 00  21 10 06.748   +18 01 44.00  .31532 1.2580 138.2 22.8 .786 114
2021 09 17 01  21 10 10.379   +18 03 03.53  .31558 1.2582 138.2 22.8 .808 114
2021 09 17 02  21 10 14.011   +18 04 22.89  .31583 1.2583 138.2 22.8 .831 114
2021 09 17 03  21 10 17.646   +18 05 42.07  .31608 1.2585 138.2 22.8 .854 114
2021 09 17 04  21 10 21.282   +18 07 01.08  .31633 1.2586 138.2 22.8 .877 114
2021 09 17 05  21 10 24.921   +18 08 19.91  .31658 1.2588 138.1 22.8 .901 114
2021 09 17 06  21 10 28.561   +18 09 38.56  .31683 1.2589 138.1 22.8 .924 114
2021 09 17 07  21 10 32.204   +18 10 57.05  .31709 1.2590 138.1 22.8 .948 114
2021 09 17 08  21 10 35.848   +18 12 15.35  .31734 1.2592 138.1 22.8 .972 114
2021 09 17 09  21 10 39.495   +18 13 33.48  .31759 1.2593 138.1 22.8 1.00 114