[Iaude] MPEC E26: 2018 GG5 [a=1.99,e=0.94,i=16.8,H=19.79]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Sun Mar 3 23:02:17 EST 2024
M.P.E.C. 2024-E26 Issued 2024 March 4, 04:00 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2018 GG5
Revision to MPEC 2018-H20
Additional Observations:
K18G05G 1C2024 03 03.15782205 17 38.249+52 31 21.25 20.37GVEE026G96
K18G05G 1C2024 03 03.16983505 17 47.656+52 30 44.21 19.91GVEE026G96
K18G05G 1C2024 03 03.17585605 17 52.343+52 30 25.45 20.45GVEE026G96
K18G05G mC2024 03 03.21003505 18 18.911+52 28 37.78 19.53GVEE026I52
K18G05G mC2024 03 03.21058605 18 19.408+52 28 36.70 20.90GVEE026I52
K18G05G mC2024 03 03.21113805 18 19.850+52 28 35.47 20.46GVEE026I52
K18G05G KB2024 03 03.88615805 26 51.16 +51 53 51.1 19.7 GXEE026I93
K18G05G KB2024 03 03.89197105 26 55.31 +51 53 32.8 19.7 GXEE026I93
K18G05G KB2024 03 03.89777405 26 59.58 +51 53 13.9 19.8 GXEE026I93
K18G05G KC2024 03 04.04476105 28 46.36 +51 45 42.6 21.2 GVEE026H21
K18G05G KC2024 03 04.04642805 28 47.56 +51 45 37.4 21.0 GVEE026H21
K18G05G KC2024 03 04.07287805 29 06.20 +51 44 14.7 VEE026H21
K18G05G KC2024 03 04.08097905 29 11.92 +51 43 49.6 VEE026H21
K18G05G KC2024 03 04.08284305 29 13.20 +51 43 43.7 VEE026H21
K18G05G C2024 03 04.12103805 29 40.513+51 41 47.39 20.2 GVEE026H01
K18G05G C2024 03 04.12638105 29 44.256+51 41 30.55 20.5 GVEE026H01
K18G05G C2024 03 04.13561705 29 50.737+51 41 01.49 20.4 GVEE026H01
K18G05G C2024 03 04.14290705 29 55.846+51 40 38.57 20.3 GVEE026H01
Observer details:
G96 Mt. Lemmon Survey. Observer K. W. Wierzchos. Measurers T. Beuden, V. F.
Carvajal, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.5-m reflector +
10K CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.76-m f/3.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers T. Beuden, J. K.
Hogan. Measurers T. Beuden, V. F. Carvajal, D. Fay, J. B. Fazekas, D. C.
Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski,
S. M. Larson, G. J. Leonard, D. Rankin, R. L. Seaman, F. C. Shelly, K. W.
Wierzchos. 1.0-m prime focus + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240303 G96 5.89- 0.12- 240304 H01 5.55- 0.06- E2024-BF4 -2.65 days
Orbital elements:
2018 GG5 Earth MOID = 0.1053 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 24.92541 (2000.0) P Q
n 0.35166341 Peri. 347.75648 +0.98825413 +0.15169665
a 1.9878545 Node 3.67269 -0.10411889 +0.75693737
e 0.9448045 Incl. 16.77765 -0.11186165 +0.63563665
P 2.80 H 19.79 G 0.15 U 1
Residuals in seconds of arc
180323 G96 0.0 0.5+ 180419 I52 0.0 0.2+ 180426 I52 0.5- 0.6-
180323 G96 0.5- 0.3- 180419 I52 0.5- 0.0 180426 I52 0.1+ 0.3-
180323 G96 0.2- 0.6+ 180419 I52 0.1+ 0.0 180426 I52 0.1- 0.3-
180414 703 0.0 0.3- 180419 I52 0.0 0.2- 180503 691 0.1+ 0.4+
180414 703 1.2+ 0.2- 180419 246 1.2+ 1.3+ 180503 691 0.4+ 0.2+
180414 703 1.1- 0.4- 180419 246 0.0 0.1- 180503 691 0.9+ 0.7+
180414 703 0.1- 0.5+ 180419 246 0.1- 0.3- 180508 711 1.0- 0.8+
180415 807 0.1- 0.4+ 180419 246 2.3+ 0.1+ 180508 711 0.4+ 0.1+
180415 807 0.1+ 0.0 180419 246 0.1+ 0.5+ 180508 711 0.3+ 0.2-
180415 807 0.0 0.0 180420 I52 0.1+ 0.3+ 180508 V06 0.0 0.2+
180415 H01 0.1- 0.1- 180420 I52 0.2+ 0.2- 180508 V06 0.4+ 0.1+
180415 H01 0.1- 0.1- 180420 I52 0.1+ 0.8- 180508 V06 0.2- 0.0
180415 H01 0.1- 0.1- 180420 I52 0.3+ 0.1+ 180508 V06 0.1+ 0.1+
180415 H01 0.0 0.2- 180421 I52 0.7+ 0.2- 240303 G96 0.0 0.3+
180415 Z84 0.1- 0.0 180421 I52 0.2+ 0.0 240303 G96 0.3+ 0.5+
180415 Z84 0.1- 0.1- 180421 I52 0.1+ 0.0 240303 G96 0.2+ 0.5+
180415 Z84 0.5- 0.1+ 180421 I52 0.0 0.0 240303 I52 0.4- 0.8-
180415 Z84 0.1- 0.0 180423 I52 0.2- 0.3- 240303 I52 0.2+ 0.2-
180416 I52 0.2+ 0.2- 180423 I52 0.1+ 0.0 240303 I52 0.3+ 0.3+
180416 I52 0.2+ 0.2- 180423 I52 0.0 0.3- 240303 I93 0.3+ 0.3+
180416 I52 0.4- 0.1- 180423 I52 0.2- 0.3- 240303 I93 0.1- 0.2+
180416 I52 0.2+ 0.0 180423 G96 0.5- 0.1+ 240303 I93 0.6+ 0.4-
180416 G96 0.0 0.0 180423 G96 0.5+ 0.3+ 240304 H21 0.2- 0.1+
180416 G96 0.4- 0.0 180423 G96 0.5- 0.1- 240304 H21 0.0 0.1+
180416 G96 0.0 0.1+ 180423 G96 0.1+ 0.1+ 240304 H21 0.2- 0.0
180416 G96 0.3+ 0.2- 180423 691 0.1+ 0.2- 240304 H21 0.0 0.2+
180416 204 0.1+ 0.1- 180423 691 0.1- 0.3+ 240304 H21 0.4- 0.2+
180416 204 0.3- 0.2- 180423 691 0.0 0.1- 240304 H01 0.1- 0.5+
180416 204 0.2- 0.4+ 180424 I52 0.2+ 0.2+ 240304 H01 0.1- 0.4+
180417 H21 0.0 0.2+ 180424 I52 0.2+ 0.1- 240304 H01 0.1+ 0.3+
180417 H21 0.2- 0.0 180424 I52 0.1- 0.3- 240304 H01 0.2+ 0.2+
180417 H21 0.0 0.1+ 180424 I52 0.3- 0.0
Ephemeris:
2018 GG5 a,e,i = 1.99, 0.94, 17 q = 0.1097
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 02 03 21 30 36.8 +01 12 11 0.5193 0.5241 19.3 141.6 24.0
...
2024 02 18 23 57 49.5 +42 53 02 0.3057 0.8809 60.9 101.5 20.6
...
2024 02 26 03 21 57.7 +56 01 23 0.3602 1.0406 87.9 71.9 20.2
...
2024 03 03 05 15 32.5 +52 39 20 0.4572 1.1510 98.4 58.4 20.5
2024 03 04 05 28 13.9 +51 48 00 0.4760 1.1688 99.5 56.8 20.6
2024 03 05 05 39 35.4 +50 56 11 0.4953 1.1863 100.5 55.3 20.6
...
2024 03 11 06 28 04.3 +46 06 03 0.6199 1.2882 103.5 48.6 21.1
...
2024 03 19 07 04 50.6 +41 08 20 0.8005 1.4157 103.5 43.1 21.7
...
2024 04 03 07 44 02.7 +35 05 09 1.1602 1.6341 98.0 37.3 22.7
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-E26
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