"Pseudo-MPEC" for P221uNp
Created 2024 Nov 18 18:31:04 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P221uNp C2024 10 06.58598603 20 59.779+23 58 13.08 ~B7K2 22.39GVNEOCPF51
P221uNp C2024 10 06.59779703 20 57.972+23 58 01.27 ~B7K2 22.36GVNEOCPF51
P221uNp C2024 10 06.60934003 20 56.217+23 57 48.89 ~B7K2 23.19GVNEOCPF51
P221uNp 1C2024 10 23.29816 02 28 44.68 +17 15 15.8 ~B40V 21.6 GVNEOCPG96
P221uNp 1C2024 10 23.30372 02 28 43.33 +17 15 04.9 ~B40V 22.0 GVNEOCPG96
P221uNp C2024 10 24.48345402 24 18.832+16 37 02.98 ~B4Cl 21.51GVNEOCPF52
P221uNp C2024 10 24.50889902 24 13.049+16 36 13.46 ~B4Cl 20.47GVNEOCPF52
P221uNp C2024 10 24.52167002 24 10.105+16 35 47.47 ~B4Cl 21.69GVNEOCPF52
P221uNp 1C2024 10 30.28731 02 01 43.41 +13 12 36.5 ~B3NH 21.2 GVNEOCPG96
P221uNp 1C2024 10 30.29248 02 01 42.06 +13 12 24.2 ~B3NH VNEOCPG96
P221uNp 1C2024 10 30.29765 02 01 40.83 +13 12 13.2 ~B3NH VNEOCPG96
P221uNp C2024 10 30.35096302 01 28.300+13 10 14.69 ~B4Cl 21.51GVNEOCPF52
P221uNp C2024 10 30.36233802 01 25.506+13 09 49.00 ~B4Cl 21.53GVNEOCPF52
P221uNp C2024 10 30.37376902 01 22.753+13 09 23.02 ~B4Cl 20.96GVNEOCPF52
P221uNp* C2024 11 02.30144601 49 36.243+11 16 55.43 ~B2AV 21.82wXNEOCPF52
P221uNp C2024 11 02.31274501 49 33.505+11 16 29.06 ~B2AV 21.91wXNEOCPF52
P221uNp C2024 11 02.32411201 49 30.697+11 16 02.40 ~B2AV 21.81wXNEOCPF52
P221uNp C2024 11 02.33549801 49 27.919+11 15 35.55 ~B2AV 21.55wXNEOCPF52
P221uNp C2024 11 02.44694701 49 00.581+11 11 12.54 ~B2Gl 20.90GVNEOCPF52
P221uNp C2024 11 02.44761001 49 00.472+11 11 11.60 ~B2Gl 21.10GVNEOCPF52
P221uNp 1C2024 11 02.88499 01 47 14.44 +10 53 53.6 ~B2Ml 21.8 VXNEOCP033
P221uNp 1C2024 11 02.88831 01 47 13.64 +10 53 46.2 ~B2Ml 22.0 VXNEOCP033
P221uNp 1C2024 11 02.89162 01 47 12.84 +10 53 38.2 ~B2Ml 21.7 VXNEOCP033
P221uNp $C2024 11 03.97070601 42 50.661+10 10 46.62 ~B412 21.2 GVNEOCPJ04
P221uNp KC2024 11 05.19333 01 37 53.82 +09 21 37.4 ~B55V 22.0 RVNEOCP291
P221uNp KC2024 11 05.20233 01 37 51.62 +09 21 15.7 ~B55V 22.1 RVNEOCP291
P221uNp KC2024 11 05.21130 01 37 49.41 +09 20 54.2 ~B55V 21.8 RVNEOCP291
P221uNp !C2024 11 05.22896 01 37 45.07 +09 20 11.4 ~B562 21.8 GVNEOCP673
P221uNp !C2024 11 05.23577 01 37 43.48 +09 19 53.6 ~B562 VNEOCP673
P221uNp KC2024 11 06.11120 01 34 11.24 +08 44 24.0 ~B65H 21.7 GXNEOCPW62
P221uNp KC2024 11 06.15489 01 34 00.57 +08 42 37.5 ~B65H XNEOCPW62
P221uNp !C2024 11 08.22217 01 25 42.22 +07 18 14.2 ~B86H 21.6 GVNEOCP673
P221uNp !C2024 11 08.23736 01 25 38.55 +07 17 35.8 ~B86H VNEOCP673
P221uNp 1C2024 11 11.32163501 13 26.887+05 11 17.60 ~BBL2x21.15GVNEOCPT12
P221uNp 1C2024 11 11.32825501 13 25.320+05 11 02.01 ~BBL2 21.93GVNEOCPT12
Station data:
(033) Karl Schwarzschild Observatory, Tautenburg (N50.980139 E11.711240)
Germany. Observer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
(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.
(673) Table Mountain Observatory, Wrightwood (N34.381485 W117.682170)
US/California. Observers J. Chesley, J. Pittichova. Measurer W. M. Owen
Jr. 0.61-m f/16 reflector + CCD.
(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.
(G96) Mt. Lemmon Survey (N32.442729 W110.788720) US/Arizona. Observer E.
J. Christensen. 1.5-m reflector + 10K CCD.
(J04) ESA Optical Ground Station, Tenerife (N28.300921 W16.511830) Canary
Islands (Spain). Observer F. Ocaña. Measurers M. Micheli, D. Koschny, E.
Schwab, M. Busch, A. Knöfel. 1.0-m f/4.4 reflector + CCD.
(T12) Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m) (N19.822991 W155.469434)
US/Hawaii. Observer R. Weryk. 2.24-m f/10.1 University of Hawaii
reflector.
(W62) Comet Hunter Observatory2, New Ringgold (N40.745185 W75.862390)
US/Pennsylvania. Observer J. Maikner. 0.30-m f/3.8 Riccardi-Honders + CCD.
Orbital elements: P221uNp
Perihelion 2025 Mar 25.69190 +/- 0.0546 TT = 16:36:20 (JD 2460760.19190)
Epoch 2024 Nov 11.0 TT = JDT 2460625.5 Earth MOID: 0.6579 AutoNEOCP
M 358.87599347 +/- 0.026 (J2000 ecliptic)
n 0.00834501 +/- 0.000191 Peri. 265.11121 +/- 0.06
a 24.0723123 +/- 0.371 Node 213.90516 +/- 0.00050
e 0.9458130 +/- 0.000791 Incl. 147.66725 +/- 0.009
P 118.10729 H 18.80 G 0.15 U 7.0
q 1.30440485 +/- 0.000931 Q 46.8402198 +/- 0.742
34 of 35 observations 2024 Oct. 6-Nov. 11; mean residual 0".39
Residuals in arcseconds: 241006 F51 .23+ .16- 241030 F52 .04- .15+ 241105 291 .28- .10+ 241006 F51 .01- .21+ 241030 F52 .18+ .13- 241105 291 .22- .20+ 241006 F51 .09- .24- 241102 F52 .24- .09- 241105 291 .41- .43+ 241023 G96 .13+ .09- 241102 F52 .17+ .09+ 241105 673 1.1- .69+ 241023 G96 1.3- .41- 241102 F52 .19- .16+ 241105 673 .00 .60- 241024 F52 .20- .13- 241102 F52 .03- .09+ 241106 W62 .15- .62- 241024 F52 .22+ .52+ 241102 F52 .25- .27- 241106 W62 .14- .59- 241024 F52 .18- .27- 241102 F52 .54+ .36+ 241108 673 .07+ .57+ 241030 G96 .76+ .16+ 241102 033 .44- .34- 241108 673 .19+ .50- 241030 G96 .70- .52- 241102 033 .27- .13+ 241111 T12( .06+ .67-) 241030 G96 .40- .10+ 241102 033 .13- .03- 241111 T12 .06+ .05- 241030 F52 .55+ .28+ 241103 J04 .69- .13+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2024 11 18 19 00 45 38.243 +00 15 11.59 1.3774 2.1817 133.8 22.2 .547 60 2024 11 18 20 00 45 29.468 +00 13 36.86 1.3777 2.1813 133.8 22.2 .551 60 2024 11 18 21 00 45 20.700 +00 12 02.18 1.3780 2.1809 133.7 22.2 .556 60 2024 11 18 22 00 45 11.938 +00 10 27.57 1.3783 2.1805 133.6 22.2 .560 60 2024 11 18 23 00 45 03.183 +00 08 53.01 1.3785 2.1801 133.5 22.2 .564 60 2024 11 19 00 00 44 54.435 +00 07 18.52 1.3788 2.1796 133.4 22.2 .568 60 2024 11 19 01 00 44 45.693 +00 05 44.10 1.3791 2.1792 133.3 22.2 .572 60 2024 11 19 02 00 44 36.958 +00 04 09.73 1.3794 2.1788 133.2 22.2 .576 60 2024 11 19 03 00 44 28.230 +00 02 35.43 1.3797 2.1784 133.2 22.2 .580 60 2024 11 19 04 00 44 19.508 +00 01 01.20 1.3800 2.1780 133.1 22.2 .584 60 2024 11 19 05 00 44 10.794 -00 00 32.98 1.3803 2.1775 133.0 22.2 .588 60 2024 11 19 06 00 44 02.086 -00 02 07.09 1.3806 2.1771 132.9 22.2 .593 60 2024 11 19 07 00 43 53.385 -00 03 41.13 1.3809 2.1767 132.8 22.2 .597 60 2024 11 19 08 00 43 44.690 -00 05 15.12 1.3812 2.1763 132.7 22.2 .601 60 2024 11 19 09 00 43 36.003 -00 06 49.03 1.3815 2.1759 132.6 22.2 .605 60 2024 11 19 10 00 43 27.322 -00 08 22.89 1.3818 2.1755 132.6 22.2 .609 60 2024 11 19 11 00 43 18.648 -00 09 56.68 1.3821 2.1750 132.5 22.2 .614 60 2024 11 19 12 00 43 09.981 -00 11 30.40 1.3824 2.1746 132.4 22.2 .618 60 2024 11 19 13 00 43 01.321 -00 13 04.06 1.3827 2.1742 132.3 22.2 .622 60 2024 11 19 14 00 42 52.667 -00 14 37.66 1.3830 2.1738 132.2 22.2 .626 60 2024 11 19 15 00 42 44.021 -00 16 11.19 1.3833 2.1734 132.1 22.2 .631 60 2024 11 19 16 00 42 35.381 -00 17 44.65 1.3836 2.1729 132.0 22.2 .635 60 2024 11 19 17 00 42 26.748 -00 19 18.05 1.3839 2.1725 132.0 22.2 .639 60 2024 11 19 18 00 42 18.122 -00 20 51.39 1.3842 2.1721 131.9 22.2 .643 60 2024 11 19 19 00 42 09.503 -00 22 24.65 1.3845 2.1717 131.8 22.2 .648 60 2024 11 19 20 00 42 00.891 -00 23 57.85 1.3848 2.1713 131.7 22.2 .652 60 2024 11 19 21 00 41 52.286 -00 25 30.99 1.3851 2.1708 131.6 22.2 .656 60 2024 11 19 22 00 41 43.688 -00 27 04.06 1.3854 2.1704 131.5 22.2 .661 60 2024 11 19 23 00 41 35.096 -00 28 37.06 1.3857 2.1700 131.4 22.2 .665 60 2024 11 20 00 00 41 26.512 -00 30 10.00 1.3860 2.1696 131.4 22.2 .670 60 2024 11 20 01 00 41 17.935 -00 31 42.87 1.3864 2.1692 131.3 22.2 .674 60 2024 11 20 02 00 41 09.364 -00 33 15.67 1.3867 2.1688 131.2 22.2 .678 60 2024 11 20 03 00 41 00.801 -00 34 48.40 1.3870 2.1683 131.1 22.2 .683 60 2024 11 20 04 00 40 52.244 -00 36 21.07 1.3873 2.1679 131.0 22.2 .687 60 2024 11 20 05 00 40 43.695 -00 37 53.67 1.3876 2.1675 130.9 22.2 .692 60 2024 11 20 06 00 40 35.152 -00 39 26.20 1.3880 2.1671 130.8 22.2 .696 60 2024 11 20 07 00 40 26.616 -00 40 58.66 1.3883 2.1667 130.8 22.2 .701 60 2024 11 20 08 00 40 18.088 -00 42 31.06 1.3886 2.1662 130.7 22.2 .705 60 2024 11 20 09 00 40 09.566 -00 44 03.39 1.3889 2.1658 130.6 22.2 .710 60 2024 11 20 10 00 40 01.052 -00 45 35.65 1.3892 2.1654 130.5 22.2 .714 60 2024 11 20 11 00 39 52.544 -00 47 07.84 1.3896 2.1650 130.4 22.2 .719 60 2024 11 20 12 00 39 44.044 -00 48 39.96 1.3899 2.1646 130.3 22.2 .723 60 2024 11 20 13 00 39 35.551 -00 50 12.01 1.3902 2.1641 130.2 22.2 .728 60 2024 11 20 14 00 39 27.064 -00 51 44.00 1.3905 2.1637 130.2 22.2 .732 60 2024 11 20 15 00 39 18.585 -00 53 15.91 1.3909 2.1633 130.1 22.2 .737 60 2024 11 20 16 00 39 10.113 -00 54 47.76 1.3912 2.1629 130.0 22.2 .741 60 2024 11 20 17 00 39 01.648 -00 56 19.54 1.3915 2.1625 129.9 22.2 .746 60 2024 11 20 18 00 38 53.190 -00 57 51.25 1.3919 2.1621 129.8 22.2 .750 60