"Pseudo-MPEC" for S/2002 N 2
Created Wed Oct 01 10:18:04 2003 using Find_Orb
Astrometry
Observing stations
Orbital elements
Residuals
Ephemeris
Astrometry:
SK02N020 C2001 07 23.39411 20 38 28.68 -18 14 52.9 568
SK02N020 C2001 07 23.46403 20 38 28.20 -18 14 54.9 25.3 R 568
SK02N020 C2001 07 23.55187 20 38 27.64 -18 14 56.9 568
SK02N020 C2002 08 14.01345 20 45 43.12 -18 02 55.9 807
SK02N020 C2002 08 14.10409 20 45 42.55 -18 02 58.2 25.2 R 807
SK02N020 C2002 08 14.17147 20 45 42.14 -18 03 00.3 807
SK02N020 C2002 08 15.99705 20 45 30.72 -18 03 49.0 807
SK02N020 C2002 08 16.08557 20 45 30.19 -18 03 51.3 25.2 R 807
SK02N020 C2002 08 16.16647 20 45 29.69 -18 03 53.5 807
SK02N020 C2002 09 03.03204 20 43 46.07 -18 11 13.3 25.3 R 309
SK02N020 C2002 09 03.03748 20 43 46.04 -18 11 13.4 25.4 R 309
SK02N020 C2002 09 03.04835 20 43 45.97 -18 11 13.5 25.6 R 309
SK02N020 C2002 09 03.13244 20 43 45.53 -18 11 15.2 25.7 R 309
SK02N020 C2002 09 03.13788 20 43 45.49 -18 11 15.7 25.3 R 309
SK02N020 C2002 09 03.14331 20 43 45.47 -18 11 15.6 25.5 R 309
SK02N020 C2002 09 03.14873 20 43 45.44 -18 11 15.8 25.4 R 309
SK02N020 C2002 09 05.07780 20 43 35.49 -18 11 58.2 309
SK02N020 C2002 09 05.08392 20 43 35.45 -18 11 58.7 309
SK02N020 C2002 09 05.09005 20 43 35.42 -18 11 58.8 309
SK02N020 C2002 09 05.09616 20 43 35.40 -18 11 59.0 309
SK02N020 C2002 09 05.10230 20 43 35.37 -18 11 58.9 309
SK02N020 C2002 09 05.11457 20 43 35.30 -18 11 58.9 309
SK02N020 C2002 09 05.12069 20 43 35.30 -18 11 58.9 309
SK02N020 C2003 08 20.97688 20 54 55.79 -17 38 14.0 25.2 R 807
SK02N020 C2003 08 21.05937 20 54 55.25 -17 38 16.3 807
SK02N020 C2003 08 29.25633 20 54 06.88 -17 41 42.6 26 R 568
SK02N020 C2003 08 29.28303 20 54 06.64 -17 41 44.6 568
SK02N020 C2003 08 29.30897 20 54 06.56 -17 41 44.5 568
SK02N020 C2003 08 30.31005 20 54 00.85 -17 42 09.9 25.5 R 568
SK02N020 C2003 08 30.33675 20 54 00.79 -17 42 09.2 568
Station data:
(309) Cerro Paranal (S24.6260 W70.4032).
(568) Mauna Kea (N19.8262 W155.4722). Observers D. C. Jewitt, S. S.
Sheppard, J. Kleyna. Measurer S. S. Sheppard. 8.3-m Subaru reflector +
CCD.
(807) Cerro Tololo Observatory, La Serena (S30.1692 W70.8059). Observers M.
Holman, J. Kavelaars, T. Grav, W. Fraser. Measurer M. Holman. 4-m Blanco
reflector + CCD.
Orbital elements:
S/2002 N 2
Perineptune 1999 Sep 14.339162 TT = 8:08:23 (JD 2451435.839162)
Epoch 2002 Nov 22.0 TT = JDT 2452600.5 Find_Orb
M 143.37519 (2000.0) P Q
n 0.12310467 Peri. 63.51474 -0.26835695 -0.65745419
a 0.1489113 Node 62.04516 0.31009170 -0.75094988
e 0.1373943 Incl. 52.85348 0.91204587 0.06187290
P 8.01 H 10.4 G 0.15 q 0.1284518
From 30 observations 2001 Jul. 23-2003 Aug. 30; RMS error 0.621 arcseconds
Residuals in arcseconds:
010723 568 .02- .02- 020903 309 .08+ .15+ 020905 309 .06- .14+
010723 568 .19- .13- 020903 309 .09- .30+ 020905 309 .15- .41+
010723 568 .21+ .22+ 020903 309 .05+ .48+ 020905 309 .31+ .54+
020814 807 .56- .43- 020903 309 .10- .10+ 030820 807 .97+ .70-
020814 807 .42- .27- 020903 309 .03+ .32+ 030821 807 .52+ .81-
020814 807 .10- .56- 020903 309 .01+ .24+ 030829 568 .15+ 1.1+
020815 807 .19+ .58- 020905 309 .16- .31+ 030829 568 1.1- .25-
020816 807 .62+ .50- 020905 309 .28- .05- 030829 568 .07- .49+
020816 807 .81+ .55- 020905 309 .25- .02- 030830 568 .88- .64-
020903 309 .09+ .13+ 020905 309 .08- .09- 030830 568 .45+ .70+
Ephemerides:
Da Mon Year RA Dec delta r elong mag
-- --- ---- ------------ ------------ ------ ------ ----- ---
20 Sep 2003 20 52 21.062 -17 49 16.98 29.4836 30.1898 134.0 25.4
25 Sep 2003 20 52 02.875 -17 50 35.26 29.5481 30.1896 129.0 25.5
30 Sep 2003 20 51 47.455 -17 51 42.08 29.6172 30.1894 124.0 25.5
5 Oct 2003 20 51 34.981 -17 52 36.76 29.6904 30.1891 119.1 25.5
10 Oct 2003 20 51 25.585 -17 53 18.82 29.7672 30.1889 114.1 25.5
15 Oct 2003 20 51 19.374 -17 53 47.87 29.8470 30.1886 109.1 25.5
20 Oct 2003 20 51 16.445 -17 54 03.60 29.9292 30.1883 104.2 25.5
25 Oct 2003 20 51 16.883 -17 54 05.70 30.0133 30.1881 99.2 25.5
30 Oct 2003 20 51 20.746 -17 53 53.96 30.0986 30.1878 94.2 25.5
4 Nov 2003 20 51 28.041 -17 53 28.31 30.1843 30.1875 89.2 25.5
9 Nov 2003 20 51 38.737 -17 52 48.89 30.2700 30.1872 84.3 25.5
14 Nov 2003 20 51 52.789 -17 51 55.85 30.3549 30.1869 79.3 25.5
19 Nov 2003 20 52 10.145 -17 50 49.42 30.4384 30.1866 74.3 25.5
24 Nov 2003 20 52 30.733 -17 49 29.82 30.5200 30.1863 69.4 25.5
29 Nov 2003 20 52 54.450 -17 47 57.42 30.5989 30.1859 64.4 25.5