"Pseudo-MPEC" for SW40zJ
Created 2021 Jan 21 11:07:23 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
SW40zJ C2021 01 06.24760 04 42 59.08 -02 14 12.4 ~168b 18.6 VoNEOCP691
SW40zJ C2021 01 06.26203 04 42 58.22 -02 14 10.9 ~168b 19.0 VoNEOCP691
SW40zJ C2021 01 06.27648 04 42 57.54 -02 14 11.1 ~168b 19.0 VoNEOCP691
Station data:
(691) Steward Observatory, Kitt Peak - Spacewatch (N31.962174 W111.600327)
US/Arizona. Observer J. V. Scotti. 0.9-m f/3 reflector + CCD.
Orbital elements: SW40zJ
Perihelion 2021 May 18.516437 +/- 404.779 TT = 12:23:40 (JD 2459353.016437)
Epoch 2021 Jan 6.0 TT = JDT 2459220.5 Earth MOID: 0.3400 AutoNEOCP
M 328.49701017 +/- 86.113457 (J2000 ecliptic)
n 0.23772892 +/- 0.245196 Peri. 336.96871 +/- 46.691559
a 2.58076247 +/- 1.77451 Node 193.37358 +/- 47.161361
e 0.4868076 +/- 0.247888 Incl. 13.33690 +/- 55.791609
P 4.15 H 16.5 G 0.15 U 11.8 SR
q 1.32442745 +/- 1.34641 Q 3.83709748 +/- 34.3149
From 3 observations 2021 Jan. 6 (41.6 min); mean residual 0".53
Residuals in arcseconds: 210106 691 .45+ .28- 210106 691 .90- .57+ 210106 691 .45+ .28- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -- -- -- ------------- ----------- ------ ------ ----- --- ---- --- 2021 01 21 11 04 34 38.326 -01 23 04.43 1.0193 1.7536 122.2 19.1 4005 168 2021 01 21 12 04 34 37.758 -01 22 50.09 1.0194 1.7534 122.1 19.1 4019 168 2021 01 21 13 04 34 37.195 -01 22 35.73 1.0195 1.7531 122.1 19.1 4034 168 2021 01 21 14 04 34 36.637 -01 22 21.34 1.0196 1.7529 122.0 19.1 4049 168 2021 01 21 15 04 34 36.083 -01 22 06.91 1.0196 1.7526 122.0 19.1 4064 168 2021 01 21 16 04 34 35.534 -01 21 52.46 1.0197 1.7524 122.0 19.1 4079 168 2021 01 21 17 04 34 34.989 -01 21 37.99 1.0198 1.7522 121.9 19.1 4094 168 2021 01 21 18 04 34 34.450 -01 21 23.48 1.0199 1.7519 121.9 19.1 4109 168 2021 01 21 19 04 34 33.914 -01 21 08.94 1.0200 1.7517 121.9 19.1 4124 168 2021 01 21 20 04 34 33.384 -01 20 54.38 1.0201 1.7514 121.8 19.1 4139 168 2021 01 21 21 04 34 32.858 -01 20 39.79 1.0202 1.7512 121.8 19.1 4153 168 2021 01 21 22 04 34 32.337 -01 20 25.17 1.0203 1.7510 121.7 19.1 4168 168 2021 01 21 23 04 34 31.821 -01 20 10.52 1.0204 1.7507 121.7 19.1 4184 168 2021 01 22 00 04 34 31.309 -01 19 55.84 1.0205 1.7505 121.7 19.1 4199 168 2021 01 22 01 04 34 30.802 -01 19 41.14 1.0205 1.7502 121.6 19.1 4214 168 2021 01 22 02 04 34 30.299 -01 19 26.41 1.0206 1.7500 121.6 19.1 4229 168 2021 01 22 03 04 34 29.801 -01 19 11.65 1.0207 1.7498 121.5 19.1 4244 168 2021 01 22 04 04 34 29.308 -01 18 56.86 1.0208 1.7495 121.5 19.1 4259 168 2021 01 22 05 04 34 28.820 -01 18 42.04 1.0209 1.7493 121.5 19.1 4274 168 2021 01 22 06 04 34 28.336 -01 18 27.20 1.0210 1.7490 121.4 19.1 4289 168 2021 01 22 07 04 34 27.857 -01 18 12.32 1.0211 1.7488 121.4 19.1 4304 168 2021 01 22 08 04 34 27.382 -01 17 57.42 1.0212 1.7486 121.4 19.1 4320 168 2021 01 22 09 04 34 26.913 -01 17 42.49 1.0213 1.7483 121.3 19.1 4335 168 2021 01 22 10 04 34 26.448 -01 17 27.54 1.0214 1.7481 121.3 19.1 4350 168 2021 01 22 11 04 34 25.987 -01 17 12.55 1.0215 1.7478 121.2 19.1 4365 168 2021 01 22 12 04 34 25.531 -01 16 57.54 1.0215 1.7476 121.2 19.1 4381 168 2021 01 22 13 04 34 25.080 -01 16 42.50 1.0216 1.7474 121.2 19.1 4396 168 2021 01 22 14 04 34 24.634 -01 16 27.44 1.0217 1.7471 121.1 19.1 4411 168 2021 01 22 15 04 34 24.192 -01 16 12.34 1.0218 1.7469 121.1 19.1 4427 168 2021 01 22 16 04 34 23.755 -01 15 57.22 1.0219 1.7466 121.1 19.1 4442 168 2021 01 22 17 04 34 23.323 -01 15 42.07 1.0220 1.7464 121.0 19.1 4458 167 2021 01 22 18 04 34 22.895 -01 15 26.89 1.0221 1.7462 121.0 19.1 4473 167 2021 01 22 19 04 34 22.472 -01 15 11.69 1.0222 1.7459 120.9 19.1 4489 167 2021 01 22 20 04 34 22.054 -01 14 56.46 1.0223 1.7457 120.9 19.1 4504 167 2021 01 22 21 04 34 21.641 -01 14 41.20 1.0224 1.7454 120.9 19.1 4519 167 2021 01 22 22 04 34 21.232 -01 14 25.91 1.0225 1.7452 120.8 19.1 4535 167 2021 01 22 23 04 34 20.827 -01 14 10.59 1.0226 1.7450 120.8 19.1 4551 167 2021 01 23 00 04 34 20.428 -01 13 55.25 1.0227 1.7447 120.8 19.1 4566 167 2021 01 23 01 04 34 20.033 -01 13 39.88 1.0228 1.7445 120.7 19.1 4582 167 2021 01 23 02 04 34 19.643 -01 13 24.49 1.0228 1.7442 120.7 19.1 4597 167 2021 01 23 03 04 34 19.257 -01 13 09.06 1.0229 1.7440 120.6 19.1 4613 167 2021 01 23 04 04 34 18.877 -01 12 53.61 1.0230 1.7438 120.6 19.1 4629 167 2021 01 23 05 04 34 18.501 -01 12 38.13 1.0231 1.7435 120.6 19.1 4644 167 2021 01 23 06 04 34 18.129 -01 12 22.63 1.0232 1.7433 120.5 19.1 4660 167 2021 01 23 07 04 34 17.763 -01 12 07.10 1.0233 1.7430 120.5 19.1 4676 167 2021 01 23 08 04 34 17.401 -01 11 51.54 1.0234 1.7428 120.5 19.1 4691 167 2021 01 23 09 04 34 17.043 -01 11 35.95 1.0235 1.7426 120.4 19.1 4707 167 2021 01 23 10 04 34 16.691 -01 11 20.34 1.0236 1.7423 120.4 19.1 4723 167