"Pseudo-MPEC" for P21ZRfD
Created 2024 Oct 3 10:22:20 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry: P21ZRfD* C2024 10 01.52980604 16 59.311+11 00 11.86 ~A1Eb 21.21wXNEOCPF52 P21ZRfD C2024 10 01.54183704 17 07.281+11 03 14.62 ~A1Eb 20.89wXNEOCPF52 P21ZRfD C2024 10 01.55384504 17 15.191+11 06 16.29 ~A1Eb 20.83wXNEOCPF52 P21ZRfD C2024 10 01.63085404 18 06.456+11 25 50.16 ~A1MM 20.74GVNEOCPF51 P21ZRfD C2024 10 01.63149504 18 06.923+11 26 01.00 ~A1MM 20.52GVNEOCPF51 P21ZRfD C2024 10 01.63278204 18 07.763+11 26 19.93 ~A1MM 20.90GVNEOCPF51 P21ZRfD KC2024 10 02.38513404 27 57.175+14 52 53.04 ~A29q 21.31GVNEOCPI52 P21ZRfD KC2024 10 02.38687904 27 58.568+14 53 24.00 ~A29q 21.06GVNEOCPI52 P21ZRfD KC2024 10 02.38861604 27 59.947+14 53 54.35 ~A29q 20.89GVNEOCPI52 P21ZRfD C2024 10 02.52538204 29 57.506+15 35 08.75 ~A2Kq 20.70GVNEOCPF52 P21ZRfD C2024 10 02.52621604 29 58.174+15 35 23.05 ~A2Kq 21.21GVNEOCPF52 P21ZRfD KC2024 10 03.32780904 42 52.02 +19 55 21.8 ~A38b VNEOCPH21 P21ZRfD KC2024 10 03.33060504 42 54.90 +19 56 20.7 ~A38b VNEOCPH21 P21ZRfD KC2024 10 03.33340204 42 57.78 +19 57 19.5 ~A38b VNEOCPH21 P21ZRfD KC2024 10 03.33619804 43 00.65 +19 58 17.9 ~A38b VNEOCPH21 Station data: (F51) Pan-STARRS 1, Haleakala (N20.707234 W156.255910) US/Hawaii. Observers J. Bulger, 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. (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. (I52) Steward Observatory, Mt. Lemmon Station (N32.442570 W110.788920) US/Arizona. Observers T. A. Pruyne, B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Gröller, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchoś. 1.0-m prime focus + CCD. Orbital elements: P21ZRfD Perihelion 2024 Dec 5.35144 +/- 0.119 TT = 8:26:04 (JD 2460649.85144) Epoch 2024 Oct 3.0 TT = JDT 2460586.5 Earth MOID: 0.0220 AutoNEOCP M 313.71511940 +/- 0.26 (J2000 ecliptic) n 0.73060506 +/- 0.00289 Peri. 97.49122 +/- 0.10 a 1.22090234 +/- 0.00322 Node 14.06544 +/- 0.011 e 0.4514945 +/- 0.00165 Incl. 24.11326 +/- 0.08 P 1.349/492.733d H 24.49 G 0.15 U 8.8 q 0.66967164 +/- 0.000267 Q 1.77213305 +/- 0.00668 From 15 observations 2024 Oct. 1-3 (43.4 hr); mean residual 0".28
Residuals in arcseconds: 241001 F52 .33- .47- 241001 F51 .06- .13- 241002 F52 .24- .47- 241001 F52 .24+ .29+ 241002 I52 .51+ .08+ 241003 H21 .06- .06- 241001 F52 .00 .00 241002 I52 .23+ .06+ 241003 H21 .01+ .14+ 241001 F51 .20- .34- 241002 I52 .16- .43- 241003 H21 .05+ .19+ 241001 F51 .33+ .67+ 241002 F52 .13+ .42+ 241003 H21 .05- .16- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2024 10 03 10 04 44 24.479 +20 27 16.94 .07039 1.0355 118.0 20.9 .270 134 2024 10 03 11 04 45 10.118 +20 42 03.53 .07012 1.0351 117.8 20.9 .278 136 2024 10 03 12 04 45 56.252 +20 56 56.24 .06984 1.0348 117.7 20.9 .286 137 2024 10 03 13 04 46 42.890 +21 11 55.07 .06958 1.0345 117.5 20.9 .294 138 2024 10 03 14 04 47 30.038 +21 27 00.03 .06931 1.0342 117.3 20.9 .303 140 2024 10 03 15 04 48 17.704 +21 42 11.09 .06904 1.0338 117.2 20.9 .312 141 2024 10 03 16 04 49 05.896 +21 57 28.27 .06878 1.0335 117.0 20.9 .322 142 2024 10 03 17 04 49 54.621 +22 12 51.54 .06852 1.0332 116.8 20.9 .331 144 2024 10 03 18 04 50 43.887 +22 28 20.89 .06826 1.0329 116.6 20.9 .341 145 2024 10 03 19 04 51 33.703 +22 43 56.31 .06801 1.0325 116.5 20.9 .352 146 2024 10 03 20 04 52 24.076 +22 59 37.79 .06775 1.0322 116.3 20.9 .363 148 2024 10 03 21 04 53 15.015 +23 15 25.30 .06750 1.0319 116.1 20.9 .374 149 2024 10 03 22 04 54 06.528 +23 31 18.82 .06725 1.0316 115.9 20.9 .386 150 2024 10 03 23 04 54 58.624 +23 47 18.33 .06700 1.0312 115.7 20.9 .398 152 2024 10 04 00 04 55 51.311 +24 03 23.79 .06676 1.0309 115.5 20.9 .411 153 2024 10 04 01 04 56 44.599 +24 19 35.18 .06651 1.0306 115.3 20.9 .424 154 2024 10 04 02 04 57 38.495 +24 35 52.47 .06627 1.0302 115.1 20.9 .438 156 2024 10 04 03 04 58 33.010 +24 52 15.60 .06604 1.0299 114.9 20.9 .453 157 2024 10 04 04 04 59 28.153 +25 08 44.56 .06580 1.0296 114.7 20.9 .467 158 2024 10 04 05 05 00 23.932 +25 25 19.28 .06557 1.0293 114.5 20.9 .483 159 2024 10 04 06 05 01 20.357 +25 41 59.73 .06533 1.0289 114.3 20.9 .499 161 2024 10 04 07 05 02 17.438 +25 58 45.85 .06511 1.0286 114.1 20.8 .515 162 2024 10 04 08 05 03 15.185 +26 15 37.59 .06488 1.0283 113.9 20.8 .533 163 2024 10 04 09 05 04 13.608 +26 32 34.89 .06466 1.0280 113.7 20.8 .550 164 2024 10 04 10 05 05 12.716 +26 49 37.69 .06443 1.0276 113.5 20.8 .569 165 2024 10 04 11 05 06 12.520 +27 06 45.93 .06422 1.0273 113.3 20.8 .588 167 2024 10 04 12 05 07 13.029 +27 23 59.53 .06400 1.0270 113.1 20.8 .608 168 2024 10 04 13 05 08 14.256 +27 41 18.42 .06379 1.0267 112.8 20.8 .628 169 2024 10 04 14 05 09 16.210 +27 58 42.52 .06358 1.0263 112.6 20.8 .649 170 2024 10 04 15 05 10 18.901 +28 16 11.76 .06337 1.0260 112.4 20.8 .671 171 2024 10 04 16 05 11 22.342 +28 33 46.04 .06316 1.0257 112.2 20.8 .694 172 2024 10 04 17 05 12 26.542 +28 51 25.28 .06296 1.0254 111.9 20.8 .717 173 2024 10 04 18 05 13 31.513 +29 09 09.37 .06276 1.0250 111.7 20.8 .741 174 2024 10 04 19 05 14 37.267 +29 26 58.23 .06256 1.0247 111.5 20.8 .765 175 2024 10 04 20 05 15 43.814 +29 44 51.75 .06237 1.0244 111.3 20.8 .791 176 2024 10 04 21 05 16 51.166 +30 02 49.81 .06217 1.0241 111.0 20.8 .817 177 2024 10 04 22 05 17 59.336 +30 20 52.31 .06199 1.0237 110.8 20.8 .844 178 2024 10 04 23 05 19 08.334 +30 38 59.13 .06180 1.0234 110.5 20.8 .871 179 2024 10 05 00 05 20 18.173 +30 57 10.14 .06162 1.0231 110.3 20.8 .900 0 2024 10 05 01 05 21 28.865 +31 15 25.22 .06144 1.0228 110.0 20.8 .929 1 2024 10 05 02 05 22 40.422 +31 33 44.23 .06126 1.0224 109.8 20.8 .959 2 2024 10 05 03 05 23 52.857 +31 52 07.03 .06108 1.0221 109.5 20.8 .989 3 2024 10 05 04 05 25 06.181 +32 10 33.48 .06091 1.0218 109.3 20.8 1.02 4 2024 10 05 05 05 26 20.407 +32 29 03.44 .06074 1.0214 109.0 20.8 1.05 4 2024 10 05 06 05 27 35.549 +32 47 36.74 .06058 1.0211 108.8 20.8 1.09 5 2024 10 05 07 05 28 51.618 +33 06 13.23 .06041 1.0208 108.5 20.8 1.12 6 2024 10 05 08 05 30 08.628 +33 24 52.75 .06025 1.0205 108.3 20.8 1.15 7 2024 10 05 09 05 31 26.592 +33 43 35.12 .06010 1.0201 108.0 20.9 1.19 8