MPEC 2018-G77 : 2018 GG2
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M.P.E.C. 2018-G77 Issued 2018 Apr. 13, 18:28 UT The Minor Planet Electronic Circulars contain information on unusual minor planets and routine data on comets. They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. Prepared using the Tamkin Foundation Computer Network MPC@CFA.HARVARD.EDU URL https://www.minorplanetcenter.net/ ISSN 1523-6714 2018 GG2 Observations: K18G02G C2018 04 10.39534 16 15 53.60 +23 40 05.9 18.7 GUEG077G96 K18G02G* C2018 04 10.39678 16 15 53.11 +23 40 13.4 18.8 GUEG077G96 K18G02G C2018 04 10.40054 16 15 51.88 +23 40 33.3 18.7 GUEG077G96 K18G02G C2018 04 10.40198 16 15 51.37 +23 40 40.7 18.8 GUEG077G96 K18G02G C2018 04 10.40799 16 15 49.36 +23 41 12.3 18.6 GUEG077G96 K18G02G C2018 04 10.40943 16 15 48.89 +23 41 19.6 UEG077G96 K18G02G C2018 04 10.41320 16 15 47.64 +23 41 39.2 18.7 GUEG077G96 K18G02G C2018 04 10.43190 16 15 41.37 +23 43 16.9 18.4 GUEG077703 K18G02G C2018 04 10.43715 16 15 39.63 +23 43 43.8 18.5 GUEG077703 K18G02G C2018 04 10.44240 16 15 37.94 +23 44 10.8 18.6 GUEG077703 K18G02G C2018 04 10.44765 16 15 36.22 +23 44 38.7 18.8 GUEG077703 K18G02G C2018 04 10.48412 16 15 24.01 +23 47 46.5 19.3 GUEG077I52 K18G02G C2018 04 10.48599 16 15 23.40 +23 47 56.8 18.6 GUEG077I52 K18G02G C2018 04 10.48789 16 15 22.77 +23 48 06.0 18.7 GUEG077I52 K18G02G C2018 04 10.48807 16 15 22.69 +23 48 07.1 19.1 GUEG077I52 K18G02G KC2018 04 10.89562 16 13 13.84 +24 22 30.3 18.1 RoEG077K88 K18G02G KC2018 04 10.89820 16 13 13.02 +24 22 43.4 18.7 RoEG077K88 K18G02G C2018 04 11.03072 16 12 30.21 +24 33 44.8 18.1 VSEG077033 K18G02G C2018 04 11.03169 16 12 29.90 +24 33 49.3 18.1 VSEG077033 K18G02G C2018 04 11.03266 16 12 29.58 +24 33 54.2 18.1 VSEG077033 K18G02G 3C2018 04 11.07871 16 12 15.48 +24 37 50.6 18.8 GUEG077G40 K18G02G C2018 04 11.09242 16 12 10.21 +24 38 49.6 18.5 VSEG077033 K18G02G 3C2018 04 11.09268 16 12 10.93 +24 39 00.0 18.9 GUEG077G40 K18G02G C2018 04 11.09338 16 12 09.89 +24 38 54.3 18.6 VSEG077033 K18G02G C2018 04 11.09435 16 12 09.58 +24 38 59.1 18.7 VSEG077033 K18G02G 3C2018 04 11.10652 16 12 06.42 +24 40 08.4 18.9 GUEG077G40 K18G02G KC2018 04 11.35233 16 10 48.94 +25 00 04.9 oEG077711 K18G02G KC2018 04 11.35487 16 10 48.10 +25 00 17.1 oEG077711 K18G02G KC2018 04 11.35737 16 10 47.29 +25 00 28.8 oEG077711 K18G02G C2018 04 11.49731 16 10 02.19 +25 11 37.8 18.6 GUEG077I52 K18G02G C2018 04 11.49749 16 10 02.11 +25 11 38.5 18.5 GUEG077I52 K18G02G C2018 04 11.49946 16 10 01.50 +25 11 48.1 18.6 GUEG077I52 K18G02G C2018 04 11.49965 16 10 01.42 +25 11 48.8 19.0 GUEG077I52 K18G02G KC2018 04 11.89002 16 08 01.98 +25 42 06.7 19.2 VSEG077C43 K18G02G KC2018 04 11.89329 16 08 00.95 +25 42 22.0 19.1 VSEG077C43 K18G02G KC2018 04 11.89656 16 07 59.93 +25 42 36.4 19.1 VSEG077C43 K18G02G C2018 04 12.29813 16 05 56.77 +26 13 06.8 18.4 GUEG077I52 K18G02G C2018 04 12.29950 16 05 56.35 +26 13 13.0 18.3 GUEG077I52 K18G02G C2018 04 12.30097 16 05 55.84 +26 13 19.7 18.1 GUEG077I52 K18G02G C2018 04 12.30235 16 05 55.48 +26 13 25.8 18.2 GUEG077I52 K18G02G KC2018 04 12.85313 16 03 09.07 +26 53 15.5 18.9 VtEG077L04 K18G02G KC2018 04 12.85974 16 03 07.08 +26 53 43.8 19.0 VtEG077L04 K18G02G C2018 04 13.41491 16 00 21.10 +27 32 20.7 18.9 GUEG077703 K18G02G C2018 04 13.42013 16 00 19.45 +27 32 42.1 18.9 GUEG077703 K18G02G C2018 04 13.42537 16 00 17.89 +27 33 03.5 18.8 GUEG077703 Observer details: 033 Karl Schwarzschild Observatory, Tautenburg. Observers F. Ludwig, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD. 703 Catalina Sky Survey. Observers J. A. Johnson, E. J. Christensen. Measurers B. M. Africano, E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly. 0.68-m Schmidt + 10K CCD. 711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal reducer. C43 Hoyerswerda. Observer P. Lindner. 0.30-m f/6.3 Schmidt-Cassegrain + CCD. G40 Slooh.com Canary Islands Observatory. Observer A. J. Evans. 0.43-m f/6.8 Corrected Dall-Kirkham + CCD. G96 Mt. Lemmon Survey. Observers B. M. Africano, G. J. Leonard. Measurers B. M. Africano, E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly. 1.5-m reflector + 10K CCD. I52 Steward Observatory, Mt. Lemmon Station. Observer J. A. Johnson. Measurers B. M. Africano, E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD. K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD. L04 ROASTERR-1 Observatory, Cluj-Napoca. Observer L. Hudin. 0.3-m f/5 reflector + CCD. Orbital elements: 2018 GG2 PHA, Earth MOID = 0.0045 AU Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC M 13.46006 (2000.0) P Q n 0.29343389 Peri. 278.44768 -0.33066533 -0.92637034 a 2.2428275 Node 195.22622 +0.87147640 -0.37303158 e 0.7102739 Incl. 43.34686 -0.36220068 -0.05182118 P 3.36 H 19.2 G 0.15 U 7 Residuals in seconds of arc 180410 G96 0.2- 0.2- 180410 K88 0.3- 0.2+ 180411 I52 0.5- 0.2- 180410 G96 0.3- 0.2- 180410 K88 0.1- 0.2+ 180411 I52 0.1- 0.0 180410 G96 0.0 0.0 180411 033 0.2- 0.2+ 180411 I52 0.4- 0.2- 180410 G96 0.4- 0.1- 180411 033 0.2- 0.1- 180411 C43 0.1- 0.2- 180410 G96 0.4- 0.2+ 180411 033 0.2- 0.0 180411 C43 0.3- 0.1- 180410 G96 0.3- 0.1- 180411 G40 0.1- 0.0 180411 C43 0.3- 0.9- 180410 G96 0.2- 0.1- 180411 033 0.0 0.1- 180412 I52 0.3- 0.1- 180410 703 0.6- 0.3+ 180411 G40 0.1- 0.1+ 180412 I52 0.2- 0.0 180410 703 0.5- 0.1- 180411 033 0.2- 0.1- 180412 I52 0.9- 0.1+ 180410 703 0.3+ 0.3- 180411 033 0.1- 0.1- 180412 I52 0.1+ 0.0 180410 703 0.7+ 0.3+ 180411 G40 0.0 0.0 180412 L04 0.5- 0.1- 180410 I52 0.3- 0.4- 180411 711 0.6+ 0.7+ 180412 L04 0.4- 0.2- 180410 I52 0.1- 0.3+ 180411 711 0.4+ 0.6+ 180413 703 0.5+ 0.1- 180410 I52 0.1- 0.3- 180411 711 0.4+ 0.2+ 180413 703 0.3- 0.1+ 180410 I52 0.4- 0.1- 180411 I52 0.2- 0.1- 180413 703 0.1+ 0.3+ Ephemeris: 2018 GG2 a,e,i = 2.24, 0.71, 43 q = 0.6498 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2018 03 14 19 53 01.4 -44 11 17 0.2821 0.9062 63.9 99.9 19.9 ... 2018 03 29 17 36 16.8 -04 27 00 0.2333 1.0768 103.5 64.4 18.5 ... 2018 04 06 16 41 11.8 +16 05 31 0.2819 1.1694 120.6 47.4 18.6 ... 2018 04 12 16 07 27.2 +25 50 43 0.3425 1.2385 126.9 40.3 18.9 2018 04 13 16 02 24.2 +27 03 47 0.3540 1.2500 127.5 39.5 19.0 2018 04 14 15 57 30.6 +28 10 55 0.3658 1.2614 128.0 38.8 19.1 ... 2018 04 20 15 31 17.8 +33 10 01 0.4418 1.3295 129.4 35.7 19.5 ... 2018 04 28 15 04 01.3 +36 34 10 0.5540 1.4188 128.4 33.8 20.1 ... 2018 05 13 14 31 49.4 +37 49 01 0.7850 1.5806 122.9 32.5 21.0 A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-G77


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