2026 Mach 25, 22:32:14 UT Orbital elements: P/2017 B4 (PANSTARRS) = 2026 AH19 Epoch 2025 Nov. 21.0 TT = JDT 2461000.5 T 2025 Dec. 2.00145 TT Sato q 2.8163928 (2000.0) P Q n 0.10797484 Peri. 11.45937 -0.64359761 -0.69853509 a 4.3677155 Node 119.47133 +0.67075545 -0.71160766 e 0.3551794 Incl. 21.05523 +0.36860445 +0.07525467 P 9.13 From 121 observations 2016 Dec. 22-2026 Mar. 12, mean residual 0".44. Epoch 2017 Feb. 16.0 TT = JDT 2457800.5 T 2017 Jan. 27.12028 TT q 2.8169256 (2000.0) P Q n 0.10730658 Peri. 16.19221 -0.72549137 -0.62226909 a 4.3858301 Node 121.54620 +0.58697152 -0.78249828 e 0.3577212 Incl. 20.18160 +0.35934205 +0.02185481 P 9.18 Epoch 2026 Mar. 21.0 TT = JDT 2461120.5 T 2025 Dec. 1.88895 TT Sato q 2.8163504 (2000.0) P Q n 0.10809538 Peri. 11.43279 -0.64328675 -0.69881522 a 4.3644678 Node 119.47243 +0.67107334 -0.71131299 e 0.3547093 Incl. 21.05644 +0.36856849 +0.07543946 P 9.12 Residuals in seconds of arc 161222 F51 0.4+ 0.1- 170131 G96 0.2+ 0.2- 170313 F51 0.0 0.3- 161222 F51 0.6+ 0.3- 170131 G96 0.5+ 0.1+ 170317 W84 0.3+ 0.0 161228 W84 0.2+ 0.1+ 170131 G96 0.5+ 0.4+ 170328 F51 0.3+ 0.0 170121 F51 0.5+ 0.3- 170201 658 0.4+ 0.1- 170328 F51 0.6+ 0.0 170121 F51 0.3+ 0.1- 170201 658 0.2- 0.0 170328 F51 0.6+ 0.2- 170121 F51 0.4+ 0.2+ 170201 658 0.2+ 0.2+ 170328 F51 0.2+ 0.0 170121 F51 0.3+ 0.0 170201 G96 0.1+ 0.2+ 251215 F52 0.4+ 0.2- 170121 F51 0.1+ 0.1- 170201 G96 0.8- 0.4+ 251215 F52 0.3+ 0.1- 170121 F51 0.0 0.1+ 170201 G96 1.0- 0.2- 251215 F52 0.2+ 0.1- 170121 F51 0.0 0.1+ 170201 G96 1.1- 0.5- 251215 F52 0.1- 0.3- 170123 F51 0.3+ 0.0 170201 691 1.1- 0.4+ 251225 F52 0.1+ 0.1- 170123 F51 0.3+ 0.2- 170201 691 1.0- 0.4+ 251225 F52 0.7+ 0.4- 170123 F51 0.3+ 0.1- 170201 691 0.5- 0.5+ 251225 F52 0.1+ 0.1+ 170123 F51 0.1+ 0.1+ 170201 691 0.2+ 0.4+ 260113 V00 0.4- 0.1- 170123 F51 0.0 0.1- 170201 691 0.4- 0.6+ 260113 V00 0.3- 0.3- 170124 F51 0.1+ 0.1+ 170201 691 0.3+ 0.1+ 260113 V00 0.4- 0.4+ 170124 F51 0.5+ 0.0 170201 291 0.9- 0.2+ 260113 V00 0.3- 0.4+ 170124 F51 0.2+ 0.2- 170201 291 1.0- 0.1- 260114 F51 0.1+ 0.0 170124 F51 0.4+ 0.1- 170201 291 0.4- 0.1+ 260114 F51 0.5+ 0.2- 170124 F51 0.4+ 0.1- 170202 291 1.1- 0.5+ 260114 F51 0.1+ 0.0 170124 F51 0.0 0.0 170202 291 0.7- 0.3- 260115 V00 0.3- 0.2+ 170125 F51 0.4+ 0.1- 170202 291 0.4- 0.2- 260115 V00 0.1- 0.4+ 170125 F51 0.1- 0.1- 170203 G40 1.4- 0.2+ 260115 V00 0.0 0.2+ 170125 F51 0.5+ 0.0 170203 G40 0.3- 0.3- 260115 V00 0.3+ 0.1+ 170128 F51 0.2+ 0.0 170203 291 0.4- 0.1+ 260115 V00 0.2+ 0.1+ 170128 F51 0.2+ 0.2- 170203 291 0.7- 0.2- 260115 V00 0.1+ 0.1+ 170128 F51 0.4+ 0.1+ 170203 291 1.1- 0.2+ 260115 V00 0.2- 0.0 170129 568 0.4+ 0.2- 170204 F51 0.4+ 0.0 260115 V00 0.0 0.0 170129 568 0.4+ 0.1- 170204 F51 0.7+ 0.0 260120 W62 0.2+ 0.1- 170129 568 0.3+ 0.1- 170204 F51 0.5+ 0.0 260120 W62 0.4- 0.4+ 170130 H06 0.1- 0.4+ 170205 215 0.1+ 0.2+ 260120 W62 0.2- 0.4+ 170130 H06 0.7+ 0.3+ 170205 215 0.1- 0.2- 260214 D29 0.4- 0.7- 170130 H06 0.1+ 0.2- 170205 215 0.5+ 0.2- 260214 D29 1.6- 0.4- 170130 I52 0.6- 0.5- 170205 F51 0.4+ 0.2- 260214 D29 0.4- 0.6- 170130 I52 1.8- 0.1- 170205 F51 0.3+ 0.1- 260219 J04 0.7- 0.7- 170130 I52 0.4- 0.5- 170205 F51 0.3+ 0.1- 260219 J04 0.4+ 0.2- 170130 I52 0.5- 0.2- 170205 F51 0.4+ 0.2- 260311 Y71 1.3+ 0.2+ 170131 658 0.6+ 0.5+ 170205 F51 0.3+ 0.4- 260311 Y71 0.5+ 1.7+ 170131 658 0.0 0.8+ 170214 F51 0.5+ 0.3- 260312 Y71 0.8+ 0.2- 170131 658 0.3+ 1.1+ 170305 W84 0.5+ 0.2- 170131 G96 0.4- 0.1+ 170313 F51 0.3+ 0.1- 2026 Frb. 27, 13:42:02 UT Orbital elements: P/2017 B4 (PANSTARRS) Epoch 2025 Nov. 21.0 TT = JDT 2461000.5 T 2025 Dec. 2.00008 TT Sato q 2.8163902 (2000.0) P Q n 0.10797481 Peri. 11.45913 -0.64359315 -0.69853962 a 4.3677161 Node 119.47121 +0.67075976 -0.71160314 e 0.3551801 Incl. 21.05514 +0.36860440 +0.07525532 P 9.13 From 115 observations 2016 Dec. 22-2026 Feb. 19, mean residual 0".40. Epoch 2017 Feb. 16.0 TT = JDT 2457800.5 T 2017 Jan. 27.11847 TT q 2.8169178 (2000.0) P Q n 0.10730666 Peri. 16.19185 -0.72548644 -0.62227552 a 4.3858279 Node 121.54610 +0.58697775 -0.78249314 e 0.3577227 Incl. 20.18147 +0.35934183 +0.02185554 P 9.18 Epoch 2026 Mar. 21.0 TT = JDT 2461120.5 T 2025 Dec. 1.88758 TT Sato q 2.8163477 (2000.0) P Q n 0.10809536 Peri. 11.43255 -0.64328229 -0.69881976 a 4.3644684 Node 119.47230 +0.67107765 -0.71130847 e 0.3547100 Incl. 21.05635 +0.36856843 +0.07544011 P 9.12 2026 Jan. 29, 15:16:20 UT Orbital elements: P/2017 B4 (PANSTARRS) Epoch 2025 Nov. 21.0 TT = JDT 2461000.5 T 2025 Dec. 2.00034 TT Sato q 2.8163928 (2000.0) P Q n 0.10797482 Peri. 11.45914 -0.64359434 -0.69853811 a 4.3677161 Node 119.47129 +0.67075866 -0.71160454 e 0.3551795 Incl. 21.05522 +0.36860432 +0.07525614 P 9.13 From 113 observations 2016 Dec. 22-2026 Jan. 20, mean residual 0".40. Epoch 2017 Feb. 16.0 TT = JDT 2457800.5 T 2017 Jan. 27.11892 TT q 2.8169209 (2000.0) P Q n 0.10730666 Peri. 16.19190 -0.72548767 -0.62227360 a 4.3858280 Node 121.54618 +0.58697619 -0.78249465 e 0.3577220 Incl. 20.18157 +0.35934188 +0.02185635 P 9.18 Epoch 2026 Feb. 9.0 TT = JDT 2461080.5 T 2025 Dec. 1.92088 TT Sato q 2.8163703 (2000.0) P Q n 0.10806276 Peri. 11.43981 -0.64336941 -0.69873958 a 4.3653462 Node 119.47219 +0.67098865 -0.71139217 e 0.3548346 Incl. 21.05632 +0.36857841 +0.07539347 P 9.12 --