"Pseudo-MPEC" for 2018-017A
Created 2018 Feb 8 1:20:01 UT using Find_Orb
Astrometry:
2018-017A C2018 02 07.51000 14 18 16.16 -26 47 49.1 SynthE12
2018-017A C2018 02 07.52000 14 18 49.58 -26 51 10.6 SynthE12
2018-017A C2018 02 07.53000 14 19 19.93 -26 54 26.1 SynthE12
2018-017A C2018 02 07.54000 14 19 47.35 -26 57 35.4 SynthE12
2018-017A C2018 02 07.55000 14 20 12.00 -27 00 38.3 SynthE12
2018-017A C2018 02 07.56000 14 20 34.02 -27 03 34.5 SynthE12
2018-017A C2018 02 07.57000 14 20 53.53 -27 06 23.7 SynthE12
2018-017A C2018 02 07.58000 14 21 10.66 -27 09 05.8 SynthE12
2018-017A C2018 02 07.59000 14 21 25.55 -27 11 40.4 SynthE12
2018-017A C2018 02 07.60000 14 21 38.33 -27 14 07.3 SynthE12
2018-017A C2018 02 07.61000 14 21 49.12 -27 16 26.4 SynthE12
2018-017A C2018 02 07.62000 14 21 58.04 -27 18 37.3 SynthE12
2018-017A C2018 02 07.63000 14 22 05.21 -27 20 40.0 SynthE12
2018-017A C2018 02 07.64000 14 22 10.77 -27 22 34.2 SynthE12
2018-017A C2018 02 07.65000 14 22 14.81 -27 24 19.8 SynthE12
2018-017A C2018 02 07.66000 14 22 17.47 -27 25 56.7 SynthE12
2018-017A C2018 02 07.67000 14 22 18.86 -27 27 24.8 SynthE12
2018-017A C2018 02 07.68000 14 22 19.10 -27 28 44.0 SynthE12
2018-017A C2018 02 07.69000 14 22 18.29 -27 29 54.3 SynthE12
2018-017A C2018 02 07.70000 14 22 16.55 -27 30 55.6 SynthE12
2018-017A C2018 02 07.71000 14 22 13.99 -27 31 47.9 SynthE12
2018-017A C2018 02 07.72000 14 22 10.72 -27 32 31.4 SynthE12
2018-017A C2018 02 07.73000 14 22 06.84 -27 33 06.0 SynthE12
2018-017A C2018 02 07.74000 14 22 02.46 -27 33 31.9 SynthE12
2018-017A C2018 02 07.75000 14 21 57.67 -27 33 49.1 SynthE12
2018-017A C2018 02 07.76000 14 21 52.57 -27 33 57.9 SynthE12
2018-017A C2018 02 07.77000 14 21 47.26 -27 33 58.4 SynthE12
2018-017A C2018 02 07.78000 14 21 41.82 -27 33 50.8 SynthE12
2018-017A C2018 02 07.79000 14 21 36.34 -27 33 35.3 SynthE12
2018-017A C2018 02 07.80000 14 21 30.92 -27 33 12.2 SynthE12
2018-017A C2018 02 07.81000 14 21 25.62 -27 32 41.7 SynthE12
Station data:
(E12) Siding Spring Survey (S31.273453 E149.064200) Australia/NSW.
Observers R. H. McNaught, S. Larson, et.al. Measurer R. H. McNaught. 0.5-m
Uppsala Schmidt + CCD.
Orbital elements: 2018-017A
Perigee 2018 Feb 7.107941 +/- 0.000163 TT = 2:35:26 (JD 2458156.607941)
Epoch 2018 Feb 8.0 TT = JDT 2458157.5 Gray
q 7264.98505 +/- 1.55 (J2000 equator)
Peri. 146.80547 +/- 0.019
Node 285.83986 +/- 0.0014
e 1.2190924 +/- 0.000314 Incl. 29.05622 +/- 0.0015
From 31 observations 2018 Feb. 7 (7.2 hr); mean residual 0".033
Orbital elements (heliocentric): 2018-017A
Perihelion 2018 Feb 4.200049 +/- 0.000358 TT = 4:48:04 (JD 2458153.700049)
Epoch 2018 Feb 10.0 TT = JDT 2458159.5 Earth MOID: 0.0002 Ma: 0.0009
M 3.68007 +/- 0.0013 (J2000 ecliptic) Gray
n 0.63450090 +/- 0.000194 Peri. 177.28664 +/- 0.00059
a 1.34126487 +/- 0.000273 Node 317.45885 +/- 0.0007
e 0.2648281 +/- 0.00015 Incl. 1.09424 +/- 0.0007
P 1.55/567.36d U 7.0
q 0.98606016 +/- 1.71e-7 Q 1.69646959 +/- 0.000546
From 31 observations 2018 Feb. 7 (7.2 hr); mean residual 0".033
Residuals in arcseconds: 180207 E12 .060- .003+ 180207 E12 .030+ .025+ 180207 E12 .048- .004+ 180207 E12 .021+ .027- 180207 E12 .040- .009- 180207 E12 .014+ .022- 180207 E12 .058+ .009- 180207 E12 .076+ .007+ 180207 E12 .016+ .030+ 180207 E12 .047- .016+ 180207 E12 .013- .026+ 180207 E12 .002- .008+ 180207 E12 .059- .001+ 180207 E12 .014- .026+ 180207 E12 .041+ .010- 180207 E12 .045+ .008- 180207 E12 .014- .009+ 180207 E12 .005+ .025- 180207 E12 .068+ .036+ 180207 E12 .055+ .002+ 180207 E12 .074- .010- 180207 E12 .012- .016- 180207 E12 .014+ .039- 180207 E12 .026+ .016- 180207 E12 .052- .008- 180207 E12 .023- .034- 180207 E12 .043+ .028+ 180207 E12 .015- .030+ 180207 E12 .051- .029+ 180207 E12 .028+ .025- 180207 E12 .037- .014- Ephemerides for (J95) Great Shefford: Date (UTC) HH:MM RA Dec delta r elong SM alt az ---- -- -- ----- ------------ ------------ ------ ------ ----- -- --- --- ................ 2018 02 08 02:20 14 28 51.119 -28 19 58.13 363992 .98667 94.9 m +01 2018 02 08 02:30 14 28 50.649 -28 19 57.28 366142 .98667 94.9 m +02 2018 02 08 02:40 14 28 49.965 -28 19 54.94 368296 .98667 94.9 m +02 2018 02 08 02:50 14 28 49.083 -28 19 51.07 370453 .98667 94.9 m +03 2018 02 08 03:00 14 28 48.017 -28 19 45.64 372615 .98667 94.9 m +04 2018 02 08 03:10 14 28 46.781 -28 19 38.64 374782 .98668 94.9 m +05 2018 02 08 03:20 14 28 45.389 -28 19 30.03 376953 .98668 94.9 m +06 2018 02 08 03:30 14 28 43.856 -28 19 19.80 379129 .98668 95.0 m +06 2018 02 08 03:40 14 28 42.196 -28 19 07.93 381309 .98668 95.0 m +07 2018 02 08 03:50 14 28 40.424 -28 18 54.43 383495 .98669 95.0 m +08 2018 02 08 04:00 14 28 38.553 -28 18 39.27 385686 .98669 95.0 m +08 2018 02 08 04:10 14 28 36.599 -28 18 22.45 387882 .98669 95.0 m +09 2018 02 08 04:20 14 28 34.575 -28 18 03.99 390084 .98669 95.0 m +09 2018 02 08 04:30 14 28 32.494 -28 17 43.87 392291 .98669 95.0 m +09 2018 02 08 04:40 14 28 30.372 -28 17 22.12 394503 .98670 95.1 m +10 2018 02 08 04:50 14 28 28.221 -28 16 58.73 396722 .98670 95.1 m +10 2018 02 08 05:00 14 28 26.055 -28 16 33.74 398946 .98670 95.1 m +10 2018 02 08 05:10 14 28 23.887 -28 16 07.15 401175 .98670 95.1 m +10 2018 02 08 05:20 14 28 21.731 -28 15 38.99 403411 .98671 95.1 m +10 2018 02 08 05:30 14 28 19.598 -28 15 09.29 405652 .98671 95.1 m +10 2018 02 08 05:40 14 28 17.502 -28 14 38.06 407899 .98671 95.2 Am +10 2018 02 08 05:50 14 28 15.455 -28 14 05.35 410152 .98671 95.2 Am +10 2018 02 08 06:00 14 28 13.467 -28 13 31.19 412411 .98672 95.2 Am +10 2018 02 08 06:10 14 28 11.552 -28 12 55.61 414676 .98672 95.2 Am +10 2018 02 08 06:20 14 28 09.719 -28 12 18.65 416946 .98672 95.2 Nm +09 2018 02 08 06:30 14 28 07.980 -28 11 40.37 419222 .98672 95.2 Nm +09 2018 02 08 06:40 14 28 06.345 -28 11 00.79 421503 .98672 95.3 Nm +08 2018 02 08 06:50 14 28 04.824 -28 10 19.98 423790 .98673 95.3 Nm +08 2018 02 08 07:00 14 28 03.427 -28 09 37.97 426083 .98673 95.3 Cm +07 2018 02 08 07:10 14 28 02.162 -28 08 54.83 428380 .98673 95.3 Cm +07 2018 02 08 07:20 14 28 01.039 -28 08 10.60 430683 .98673 95.3 Cm +06 2018 02 08 07:30 14 28 00.065 -28 07 25.34 432991 .98674 95.3 Cm +05 ................