"Pseudo-MPEC" for 6HL3B21
Created 2026 Aug 24 21:35:03 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
6HL3B21*KC2026 08 22.18253 21 47 37.24 -23 48 20.6 ~8OFo VNEOCPW94
6HL3B21 KC2026 08 22.18871 21 47 35.76 -23 46 31.4 ~8OFo 18.5 GVNEOCPW94
6HL3B21 KC2026 08 22.19494 21 47 34.16 -23 44 41.9 ~8OFo 18.4 GVNEOCPW94
6HL3B21 4C2026 08 22.23906 21 47 23.45 -23 31 44.5 ~8OFo 19.7 VqNEOCPW97
6HL3B21 KC2026 08 22.24169821 47 25.932-23 32 29.58 ~8OFo 19.5 VZNEOCPH36
6HL3B21 4C2026 08 22.24495 21 47 22.07 -23 30 01.0 ~8OFo 19.8 VqNEOCPW97
6HL3B21 4C2026 08 22.25083 21 47 20.66 -23 28 16.9 ~8OFo 18.6 VqNEOCPW97
6HL3B21 KC2026 08 22.25572021 47 22.651-23 28 24.56 ~8OFo 19.4 VZNEOCPH36
6HL3B21 KC2026 08 22.27620621 47 17.796-23 22 26.83 ~8OFo 19.7 VZNEOCPH36
6HL3B21 KC2026 08 22.28524921 47 15.670-23 19 48.47 ~8OFo 19.7 VZNEOCPH36
6HL3B21 KC2026 08 22.48074 21 46 41.95 -22 21 47.8 ~8OFo 19.2 GVNEOCPE23
6HL3B21 KC2026 08 22.49016 21 46 39.84 -22 19 08.3 ~8OFo 19.1 GVNEOCPE23
6HL3B21 KC2026 08 22.49952 21 46 37.75 -22 16 30.4 ~8OFo 19.7 GVNEOCPE23
6HL3B21 1B2026 08 22.81757521 45 40.987-20 48 16.20 ~8OFo 19.0 VZNEOCPM49
6HL3B21 1B2026 08 22.82282221 45 39.924-20 46 50.95 ~8OFo 18.7 VZNEOCPM49
6HL3B21 KC2026 08 22.86309 21 45 31.15 -20 37 32.7 ~8OFo VNEOCP587
6HL3B21 KC2026 08 22.86969621 45 29.79 -20 35 45.7 ~8OFo 19.4 GVNEOCP587
6HL3B21 0B2026 08 22.88271621 45 27.053-20 32 10.43 ~8OFo XNEOCPL34
6HL3B21 0B2026 08 22.94074421 45 15.255-20 16 39.15 ~8OFo WNEOCP204
6HL3B21 KC2026 08 22.94635521 45 14.00 -20 15 08.2 ~8OFo VNEOCP104
6HL3B21 0B2026 08 22.95353721 45 12.638-20 13 13.18 ~8OFo 19.2 GWNEOCP204
6HL3B21 KC2026 08 22.95958321 45 11.22 -20 11 34.5 ~8OFo 19.3 GVNEOCP104
6HL3B21 0B2026 08 22.97386521 45 07.877-20 07 39.07 ~8OFo 19.04GXNEOCPL34
6HL3B21 0B2026 08 22.99137721 45 04.320-20 02 57.70 ~8OFo 18.93GXNEOCPL34
6HL3B21 0C2026 08 23.01863321 45 00.295-19 55 52.00 ~8OFo 19.7 GWNEOCPJ95
6HL3B21 0C2026 08 23.02398721 44 59.287-19 54 25.63 ~8OFox20.2 GWNEOCPJ95
6HL3B21 |C2026 08 23.11414021 44 47.230-19 28 43.30 ~8OFo 19.5 GVNEOCP807
6HL3B21 |C2026 08 23.11821021 44 46.410-19 27 39.70 ~8OFo 19.6 GVNEOCP807
6HL3B21 |C2026 08 23.12227021 44 45.570-19 26 36.10 ~8OFo 19.8 GVNEOCP807
6HL3B21 4C2026 08 23.22265 21 44 24.64 -19 00 34.3 ~8OFo 19.3 VqNEOCPW97
6HL3B21 4C2026 08 23.22861 21 44 23.46 -18 59 01.8 ~8OFo 19.0 VqNEOCPW97
6HL3B21 4C2026 08 23.23455 21 44 22.27 -18 57 28.3 ~8OFo 18.7 VqNEOCPW97
6HL3B21 0C2026 08 23.26663421 44 20.759-18 50 34.31 ~8OGo 19.12rUNEOCPI41
6HL3B21 0C2026 08 23.27338421 44 19.477-18 48 50.86 ~8OGo 18.90iUNEOCPI41
6HL3B21 KB2026 08 23.32567121 44 08.254-18 35 21.55 ~8OFo 19.33GWNEOCPV21
6HL3B21 KB2026 08 23.33436321 44 06.528-18 33 07.52 ~8OFo 19.46GWNEOCPV21
6HL3B21 KB2026 08 23.35153721 44 04.493-18 28 53.08 ~8OFo 20.3 GVNEOCPU52
6HL3B21 KB2026 08 23.35452521 44 02.561-18 27 56.84 ~8OFo 19.32GWNEOCPV21
6HL3B21 KB2026 08 23.36557921 44 01.826-18 25 18.59 ~8OFo 18.8 GVNEOCPU52
6HL3B21 KB2026 08 23.36575221 44 00.379-18 25 04.19 ~8OFo 19.19GWNEOCPV21
6HL3B21 KB2026 08 23.38318321 43 57.038-18 20 35.99 ~8OFo 19.42GWNEOCPV21
6HL3B21 KB2026 08 23.92423 21 42 36.74 -16 07 38.8 ~8OFo 19.5 GXNEOCPM45
6HL3B21 KB2026 08 23.93324 21 42 35.19 -16 05 30.6 ~8OFo XNEOCPM45
6HL3B21 |C2026 08 24.03195021 42 25.870-15 40 20.10 ~8OFo 18.9 GVNEOCP807
6HL3B21 |C2026 08 24.03906021 42 24.710-15 38 40.60 ~8OFo 19.6 GVNEOCP807
6HL3B21 |C2026 08 24.04618021 42 23.530-15 37 01.20 ~8OFo 19.5 GVNEOCP807
6HL3B21 KB2026 08 24.30217621 41 42.859-14 39 28.94 ~8OLKx19.13GWNEOCPV21
6HL3B21 KB2026 08 24.31704921 41 40.349-14 36 06.48 ~8OLKx19.59GWNEOCPV21
6HL3B21 0C2026 08 24.32107721 41 40.474-14 35 20.06 ~8OGo 19.25iUNEOCPI41
Station data:
(104) San Marcello Pistoiese (N44.064178 E10.803750) Italy. Observers P.
Bacci, M. Maestripieri. Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m
reflector + CCD.
(204) Schiaparelli Observatory (N45.868292 E8.769720) Italy. Observer L.
Buzzi. 0.84-m f/3.5 reflector + CCD.
(587) Sormano (N45.882946 E9.229180) Italy. Observers E. Colzani, E. Valli.
Measurer P. Sicoli. 0.5-m f/6.8 reflector + CCD.
(807) Cerro Tololo Observatory, La Serena (S30.169133 W70.805900) Chile.
Observer R. Holmes. 0.61-m f/6.5 astrograph + CCD.
(E23) Arcadia (S33.621197 E151.071190) Australia/NSW. Observer A. Hidas.
0.35-m f/1.9 reflector + CCD.
(H36) Sandlot Observatory, Scranton (N38.797718 W95.706550) US/Kansas.
Observer G. Hug. 0.56-m reflector + CCD.
(I41) Palomar Mountain--ZTF (N33.357336 W116.859780) US/California.
Observers B. T. Bolin, Z. T. F. Collaboration. Measurers B. T. Bolin,
Z.-Y. Lin, F. J. Masci. 1.2-m f/2.4 Schmidt.
(J95) Great Shefford (N51.474969 W1.447003) UK/England. Observer P.
Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain + CCD.
(L34) Galhassin Robotic Telescope, Isnello (N37.939358 E14.020610) Italy.
Observer A. Nastasi. 0.40-m reflector + CCD.
(M45) Starhopper Observatory, Sfantu Gheorghe (N45.865494 E25.768890)
Romania. Observer F. Ursache. 0.41-m f/7.5 reflector + CMO.
(M49) IAS Remote Observatory, Hakos (S23.236549 E16.361720) Namibia.
Observers D. Husar, M. Junius. Measurer D. Husar. 0.25-m f/4.6 reflector +
CCD.
(U52) Shasta Valley Observatory, Grenada (N41.579164 W122.549000)
US/California. Observer J. E. Rogers. Measurers J. E. Rogers, D. Parrott.
0.30-m Helin Telescope + CCD.
(V21) Cewanee Observatory at DSNM (N31.946619 W108.897690) US/New Mexico.
Observer D. T. Durig. 0.4-m f/8 Ritchey-Chrétien + 4656x3520 CCD.
(W94) AMACS1, San Pedro de Atacama (S22.953074 W68.179810) Chile. Observers
A. Maury, G. Attard. Measurers A. Maury, G. Attard, D. Parrott. 0.28-m
f/2.2 Schmidt + CCD.
(W97) Atacama Desert Observatory, San Pedro de Atacama (S22.953413
W68.179760) Chile.
Orbital elements: 6HL3B21
Perihelion 2026 Jul 7.970104 +/- 0.0248 TT = 23:16:57.0 (JD 2461229.470104)
Epoch 2026 Aug 24.0 TT = JDT 2461276.5 Earth MOID: 0.0703 AutoNEOCP
M 17.671802762 +/- 0.058 (J2000 ecliptic)
n 0.375756792 +/- 0.00104 Peri. 304.102403 +/- 0.017
a 1.901945884 +/- 0.00352 Node 330.279055 +/- 0.0008
e 0.50269643 +/- 0.000922 Incl. 19.891786 +/- 0.023
P 2.623/958.048d H 23.88 G 0.15 U 8.1
q 0.945844468 +/- 4.65e-5 Q 2.858047300 +/- 0.00704
46 of 49 observations 2026 Aug. 22-24; mean residual 0".33
Residuals in arcseconds: 260822 W94 .08- .06+ 260822 L34 .35+ .77- 260823 V21 .37+ .02- 260822 W94 .47+ .25+ 260822 204 .09- .20- 260823 V21 .26+ .03- 260822 W94 .50- .12- 260822 104 .75+ .85- 260823 U52 .86- .71+ 260822 W97 .25- .18- 260822 204 .07+ .20- 260823 V21 .09+ .01- 260822 H36 .41- .46+ 260822 104 .04+ .11- 260823 U52 .23- .40- 260822 W97 .22+ .38- 260822 L34 .63- .28+ 260823 V21 .06+ .17- 260822 W97 .16+ .22+ 260822 L34 .43+ .03+ 260823 V21 .17+ .01- 260822 H36 .08+ .18+ 260823 J95 .09- .15+ 260823 M45 .09+ .39+ 260822 H36 .28- .20- 260823 J95( .73+ .89+) 260823 M45 .38+ .12- 260822 H36 .33- .19+ 260823 807 .16- .18+ 260824 807 .20- .39- 260822 E23 .26+ .13- 260823 807 .02- .17- 260824 807 .04+ .22- 260822 E23 .29+ .04- 260823 807 .18- .35- 260824 807 .11+ .23- 260822 E23 .50+ .46- 260823 W97 .75- .58+ 260824 V21( 1.3- 6.7+) 260822 M49 .09- .07- 260823 W97 .29- .09- 260824 V21( 1.1- 6.6+) 260822 M49 .37+ .08+ 260823 W97 .08- .59+ 260824 I41 .03+ .16+ 260822 587 .25+ .20+ 260823 I41 .43- .21+ 260822 587 .01+ .28+ 260823 I41 .48+ .64- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 08 24 22 21 40 23.615 -12 24 28.52 .10134 1.1113 171.7 19.7 .050 159 2026 08 24 23 21 40 18.488 -12 15 45.72 .10161 1.1115 171.7 19.7 .056 160 2026 08 25 00 21 40 13.397 -12 07 05.70 .10188 1.1118 171.7 19.7 .062 161 2026 08 25 01 21 40 08.341 -11 58 28.44 .10215 1.1120 171.6 19.7 .068 161 2026 08 25 02 21 40 03.321 -11 49 53.94 .10243 1.1123 171.6 19.7 .074 162 2026 08 25 03 21 39 58.335 -11 41 22.18 .10270 1.1125 171.5 19.7 .080 162 2026 08 25 04 21 39 53.383 -11 32 53.15 .10298 1.1128 171.5 19.7 .087 163 2026 08 25 05 21 39 48.466 -11 24 26.82 .10325 1.1130 171.4 19.7 .093 163 2026 08 25 06 21 39 43.582 -11 16 03.19 .10353 1.1133 171.4 19.7 .100 163 2026 08 25 07 21 39 38.731 -11 07 42.25 .10381 1.1135 171.3 19.8 .106 164 2026 08 25 08 21 39 33.914 -10 59 23.97 .10409 1.1138 171.3 19.8 .113 164 2026 08 25 09 21 39 29.130 -10 51 08.35 .10437 1.1140 171.2 19.8 .120 164 2026 08 25 10 21 39 24.379 -10 42 55.37 .10465 1.1143 171.1 19.8 .127 164 2026 08 25 11 21 39 19.659 -10 34 45.02 .10493 1.1145 171.1 19.8 .133 165 2026 08 25 12 21 39 14.972 -10 26 37.27 .10521 1.1148 171.0 19.8 .140 165 2026 08 25 13 21 39 10.317 -10 18 32.13 .10549 1.1150 171.0 19.8 .147 165 2026 08 25 14 21 39 05.693 -10 10 29.58 .10577 1.1153 170.9 19.8 .155 165 2026 08 25 15 21 39 01.101 -10 02 29.59 .10605 1.1156 170.8 19.8 .162 165 2026 08 25 16 21 38 56.539 -09 54 32.16 .10634 1.1158 170.8 19.8 .169 165 2026 08 25 17 21 38 52.008 -09 46 37.28 .10662 1.1161 170.7 19.8 .176 165 2026 08 25 18 21 38 47.508 -09 38 44.92 .10691 1.1163 170.6 19.9 .184 165 2026 08 25 19 21 38 43.038 -09 30 55.08 .10719 1.1166 170.5 19.9 .191 165 2026 08 25 20 21 38 38.598 -09 23 07.75 .10748 1.1168 170.5 19.9 .199 166 2026 08 25 21 21 38 34.188 -09 15 22.90 .10777 1.1171 170.4 19.9 .207 166 2026 08 25 22 21 38 29.808 -09 07 40.53 .10805 1.1173 170.3 19.9 .214 166 2026 08 25 23 21 38 25.456 -09 00 00.61 .10834 1.1176 170.2 19.9 .222 166 2026 08 26 00 21 38 21.134 -08 52 23.15 .10863 1.1178 170.2 19.9 .230 166 2026 08 26 01 21 38 16.840 -08 44 48.12 .10892 1.1181 170.1 19.9 .238 166 2026 08 26 02 21 38 12.576 -08 37 15.51 .10921 1.1183 170.0 19.9 .245 166 2026 08 26 03 21 38 08.339 -08 29 45.30 .10950 1.1186 169.9 19.9 .253 166 2026 08 26 04 21 38 04.131 -08 22 17.49 .10979 1.1189 169.9 19.9 .261 166 2026 08 26 05 21 37 59.950 -08 14 52.06 .11009 1.1191 169.8 19.9 .270 166 2026 08 26 06 21 37 55.797 -08 07 29.00 .11038 1.1194 169.7 20.0 .278 166 2026 08 26 07 21 37 51.672 -08 00 08.29 .11067 1.1196 169.6 20.0 .286 166 2026 08 26 08 21 37 47.574 -07 52 49.92 .11097 1.1199 169.5 20.0 .294 166 2026 08 26 09 21 37 43.502 -07 45 33.87 .11126 1.1201 169.5 20.0 .302 166 2026 08 26 10 21 37 39.458 -07 38 20.14 .11156 1.1204 169.4 20.0 .311 166 2026 08 26 11 21 37 35.440 -07 31 08.71 .11185 1.1206 169.3 20.0 .319 166 2026 08 26 12 21 37 31.449 -07 23 59.56 .11215 1.1209 169.2 20.0 .327 166 2026 08 26 13 21 37 27.484 -07 16 52.69 .11244 1.1212 169.1 20.0 .336 166 2026 08 26 14 21 37 23.545 -07 09 48.08 .11274 1.1214 169.0 20.0 .344 166 2026 08 26 15 21 37 19.631 -07 02 45.72 .11304 1.1217 169.0 20.0 .353 166 2026 08 26 16 21 37 15.744 -06 55 45.60 .11334 1.1219 168.9 20.1 .362 166 2026 08 26 17 21 37 11.881 -06 48 47.69 .11364 1.1222 168.8 20.1 .370 166 2026 08 26 18 21 37 08.044 -06 41 51.99 .11394 1.1224 168.7 20.1 .379 166 2026 08 26 19 21 37 04.232 -06 34 58.49 .11424 1.1227 168.6 20.1 .387 166 2026 08 26 20 21 37 00.445 -06 28 07.18 .11454 1.1229 168.5 20.1 .396 166 2026 08 26 21 21 36 56.682 -06 21 18.03 .11484 1.1232 168.5 20.1 .405 166