"Pseudo-MPEC" for P21DaSw

Created 2023 Jan 27 11:22:25 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     P21DaSw* C2023 01 22$2mPg6q1t93Ij)gV/`ul%okaGotwxycEOAstrometryQ\bRt!exEF52
     P21DaSw  C2023 01 22n?X%\SK;pWIfQPcdZ:4VRc2=aWf3D_pQ1eS'BVmtV2$sP84PMD(6F52
     P21DaSw  C2023 01 22VyQ4e1!cpK:'7mcY#redacted;0-Yv2-LJAQe^gv^rdI)eg7'[(OF52
     P21DaSw  C2023 01 22DaRUofQ[sX+nZ73?XcWQMZZmGZ*)2X:MdIv*!WWY=%mTmf2VCc*$F52
     P21DaSw |C2023 01 24xwKX[TNGfCN+lK5G(GZELNSs:fP8)4'eA:vB!?OG27Y]^n\dB6^6807
     P21DaSw |C2023 01 24V4(_DAg@5A1B2QqZ=LqPc/DEs@[W17E9Q!8LBXacNL+`#Wt@]kqF807
     P21DaSw |C2023 01 24ToEN6[_Gr_`#`xO)06F^cRE@c?;ef?[EGK-rSF3V,e`ivv6Z9BY4807
     P21DaSw 3C2023 01 24_yO_;9]P^_?lNrla(x'hB#?2]2.=FmpO,4DEKu]0QVYNHAW!yw%/T14
     P21DaSw 3C2023 01 24+=Y+d)[J=%oCTRS_/d?]2:ngndAfM]KjqW.T8XLclickqMoZeif^T14
     P21DaSw 3C2023 01 24SRu@nC_ic2'iWRFe,8xX/%'5_*U(Jm/WF^R:[7^x#egZq3#Kx65#T14
     P21DaSw 3C2023 01 24q$=!YE'.]MF5g[L%Z*D!d;idsnc)here@Zb]\u\EyOk5qM;vaEAbT14
     P21DaSw |C2023 01 26d\+(/Er]?SEViA8+C]^sOsjVifqhaY,xe5-?4S3H/Vi!;2_y+hMO807
     P21DaSw |C2023 01 26xo^#(k!GZcfnCi!V7dfZe'lJRlS'jIw9bUB-0igsV5pyjjTlJ?sp807
     P21DaSw |C2023 01 26DTH6-*[1'ts6G`Gtp\koq_Zcy7Ywk(hSfIdmw7^nq+TYJT$sZP2:807
     P21DaSw KC2023 01 27num+TEQ63^6Jg9.[0mi(96+fp[xdOM14\V?LC#O3%S!r;\\bLdh?H21
     P21DaSw KC2023 01 27M,Jb^h7fTH0Et.##A(0BUK%73+VJV)0[lI#]5W=for]h=1P@iqy:H21
     P21DaSw KC2023 01 27W%sol$KH(',9Rb@iww-4?JyoDBAFBexplanation5$!bsmfDH%aBH21

Station data:
(807) Cerro Tololo Observatory, La Serena  (S30.169133 W70.805900)  Chile.
   Observer R. Holmes. 0.61-m f/6.5 astrograph + CCD.
(F52) Pan-STARRS 2, Haleakala  (N20.707382 W156.255910)  US/Hawaii.
   Observers J. Bulger, T. Dukes, T. Lowe, A. Schultz, M. Willman. Measurers
   K. Chambers, S. Chastel, T. de Boer, L. Denneau, J. Fairlamb, H.
   Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat,
   R. Weryk. 1.8-m Ritchey-Chrétien + CCD.
(H21) Astronomical Research Observatory, Westfield  (N39.483054 W87.968270)
   US/Illinois.  Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T.
   Linder, R. Holmes. 0.76-m f/3.0 astrograph + CCD0.81-m f/4.0 astrograph +
   CCD0.61-m f/4.5 astrograph + CCD0.40-m f/5.32 astrograph + CCD.
(T14) Mauna Kea-UH/Tholen NEO Follow-Up (CFHT)  (N19.825252 W155.468876)
   US/Hawaii. 3.6-m Canada-France-Hawaii Telescope.

Orbital elements:  P21DaSw
   Perihelion 2023 Jan 28.80467 +/- 0.0647 TT = 19:18:43 (JD 2459973.30467)
Epoch 2023 Jan 27.0 TT = JDT 2459971.5   Earth MOID: 0.2727      AutoNEOCP
M 359.44967389 +/- 0.016            (J2000 ecliptic)
n   0.30494474 +/- 0.00778          Peri.   17.17983 +/- 0.043
a   2.18602576 +/- 0.0372           Node   133.78918 +/- 0.17
e   0.4251148 +/- 0.00837           Incl.    9.22940 +/- 0.07
P   3.23                   H 20.26  G  0.15   U  9.5
q 1.25671382 +/- 0.00311    Q 3.11533770 +/- 0.0713
From 17 observations 2023 Jan. 22-27; mean residual 0".17
Residuals in arcseconds: 
230122 F52  .03-  .08-    230124 807  .33+  .02+    230126 807  .13-  .10-    
230122 F52  .10-  .01-    230124 T14  .01+  .01-    230126 807  .07-  .11-    
230122 F52  .13-  .20-    230124 T14  .02+  .01-    230127 H21  .01-  .10+    
230122 F52  .12+  .10-    230124 T14  .02-  .02+    230127 H21  .16+  .05-    
230124 807  .62+  .49+    230124 T14  .02-  .01+    230127 H21  .04+  .00     
230124 807  .21-  .06+    230126 807  .17-  .19-    

Ephemerides (geocentric):
Date (UTC) HH   RA             Dec           delta  r     elong  mag " sig PA
---- --------  ------------   ------------  ------ ------ -----  --- --------
2023 01 27 11  13 13 03.731   -01 03 43.88  .51819 1.2568 109.5 21.2 .144 167
2023 01 27 12  13 13 11.806   -01 03 37.04  .51807 1.2568 109.6 21.2 .148 168
2023 01 27 13  13 13 19.877   -01 03 30.16  .51794 1.2568 109.6 21.2 .152 169
2023 01 27 14  13 13 27.947   -01 03 23.24  .51782 1.2568 109.6 21.2 .157 169
2023 01 27 15  13 13 36.014   -01 03 16.28  .51770 1.2568 109.6 21.2 .161 170
2023 01 27 16  13 13 44.078   -01 03 09.28  .51758 1.2568 109.6 21.2 .166 171
2023 01 27 17  13 13 52.139   -01 03 02.24  .51745 1.2568 109.6 21.2 .170 171
2023 01 27 18  13 14 00.198   -01 02 55.16  .51733 1.2568 109.6 21.2 .175 172
2023 01 27 19  13 14 08.254   -01 02 48.04  .51721 1.2568 109.6 21.2 .180 172
2023 01 27 20  13 14 16.307   -01 02 40.88  .51709 1.2568 109.6 21.2 .185 173
2023 01 27 21  13 14 24.358   -01 02 33.68  .51697 1.2567 109.7 21.2 .189 173
2023 01 27 22  13 14 32.406   -01 02 26.44  .51684 1.2567 109.7 21.2 .195 174
2023 01 27 23  13 14 40.451   -01 02 19.16  .51672 1.2567 109.7 21.2 .200 174
2023 01 28 00  13 14 48.494   -01 02 11.84  .51660 1.2567 109.7 21.2 .205 175
2023 01 28 01  13 14 56.534   -01 02 04.48  .51648 1.2567 109.7 21.2 .210 175
2023 01 28 02  13 15 04.571   -01 01 57.08  .51636 1.2567 109.7 21.2 .216 176
2023 01 28 03  13 15 12.606   -01 01 49.64  .51624 1.2567 109.7 21.2 .221 176
2023 01 28 04  13 15 20.637   -01 01 42.16  .51612 1.2567 109.7 21.2 .227 177
2023 01 28 05  13 15 28.667   -01 01 34.64  .51600 1.2567 109.7 21.2 .233 177
2023 01 28 06  13 15 36.693   -01 01 27.08  .51588 1.2567 109.8 21.2 .239 177
2023 01 28 07  13 15 44.717   -01 01 19.48  .51576 1.2567 109.8 21.2 .245 178
2023 01 28 08  13 15 52.738   -01 01 11.84  .51564 1.2567 109.8 21.2 .251 178
2023 01 28 09  13 16 00.756   -01 01 04.17  .51552 1.2567 109.8 21.2 .257 179
2023 01 28 10  13 16 08.771   -01 00 56.45  .51540 1.2567 109.8 21.2 .263 179
2023 01 28 11  13 16 16.784   -01 00 48.69  .51528 1.2567 109.8 21.2 .270 179
2023 01 28 12  13 16 24.794   -01 00 40.89  .51516 1.2567 109.8 21.2 .276   0
2023 01 28 13  13 16 32.801   -01 00 33.05  .51504 1.2567 109.8 21.2 .282   0
2023 01 28 14  13 16 40.805   -01 00 25.18  .51492 1.2567 109.8 21.2 .289   0
2023 01 28 15  13 16 48.807   -01 00 17.26  .51480 1.2567 109.9 21.2 .296   1
2023 01 28 16  13 16 56.806   -01 00 09.30  .51468 1.2567 109.9 21.2 .303   1
2023 01 28 17  13 17 04.802   -01 00 01.31  .51456 1.2567 109.9 21.2 .310   1
2023 01 28 18  13 17 12.795   -00 59 53.27  .51444 1.2567 109.9 21.2 .317   2
2023 01 28 19  13 17 20.786   -00 59 45.20  .51432 1.2567 109.9 21.2 .324   2
2023 01 28 20  13 17 28.774   -00 59 37.08  .51420 1.2567 109.9 21.2 .331   2
2023 01 28 21  13 17 36.758   -00 59 28.92  .51408 1.2567 109.9 21.1 .338   3
2023 01 28 22  13 17 44.740   -00 59 20.73  .51397 1.2567 109.9 21.1 .346   3
2023 01 28 23  13 17 52.720   -00 59 12.49  .51385 1.2567 109.9 21.1 .353   3
2023 01 29 00  13 18 00.696   -00 59 04.22  .51373 1.2567 110.0 21.1 .361   3
2023 01 29 01  13 18 08.670   -00 58 55.91  .51361 1.2567 110.0 21.1 .369   4
2023 01 29 02  13 18 16.641   -00 58 47.55  .51349 1.2567 110.0 21.1 .377   4
2023 01 29 03  13 18 24.608   -00 58 39.16  .51338 1.2567 110.0 21.1 .384   4
2023 01 29 04  13 18 32.574   -00 58 30.73  .51326 1.2567 110.0 21.1 .392   4
2023 01 29 05  13 18 40.536   -00 58 22.25  .51314 1.2567 110.0 21.1 .401   5
2023 01 29 06  13 18 48.495   -00 58 13.74  .51302 1.2567 110.0 21.1 .409   5
2023 01 29 07  13 18 56.452   -00 58 05.19  .51291 1.2567 110.0 21.1 .417   5
2023 01 29 08  13 19 04.405   -00 57 56.60  .51279 1.2567 110.1 21.1 .426   5
2023 01 29 09  13 19 12.356   -00 57 47.96  .51267 1.2567 110.1 21.1 .434   6
2023 01 29 10  13 19 20.304   -00 57 39.29  .51256 1.2567 110.1 21.1 .443   6