[Iaude] MPEC E111: 2023 EN2 [a=1.13,e=0.30,i=7.8,H=23.12]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Thu Mar 7 10:14:42 EST 2024
M.P.E.C. 2024-E111 Issued 2024 March 7, 15:13 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
2023 EN2
Revision to MPEC 2023-F11
Additional Observations:
K23E02N 1C2017 02 21.28220 10 02 04.91 +33 48 16.9 21.0 GVEE111G96
K23E02N 1C2017 02 21.29398 10 02 01.94 +33 48 22.5 21.7 GVEE111G96
K23E02N 0C2023 12 12.54939305 39 46.839+46 31 35.90 23.46GVEE111T12
K23E02N 0C2023 12 12.55661305 39 45.149+46 31 35.96 23.56GVEE111T12
K23E02N 0C2023 12 12.56390605 39 43.454+46 31 35.97 23.42GVEE111T12
K23E02N 0C2023 12 16.51275205 24 59.403+46 27 30.05 23.65GVEE111T12
K23E02N 0C2023 12 16.51996205 24 57.751+46 27 28.42 23.66GVEE111T12
K23E02N 0C2023 12 16.52733705 24 56.050+46 27 26.70 23.52GVEE111T12
Observer details:
G96 Mt. Lemmon Survey. Observer D. C. Fuls. Measurers B. Gray, D. Rankin, F.
C. Shelly. 1.5-m reflector + 10K CCD.
T12 University of Hawaii 88-inch telescope, Maunakea. Observer D. J. Tholen.
2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
170221 G96 0.68- 0.25- 231216 T12 0.01- 0.00- MPO782812 +0.01 days
Orbital elements:
2023 EN2 Earth MOID = 0.0048 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 241.81781 (2000.0) P Q
n 0.82437703 Peri. 272.45532 +0.14268288 +0.98967358
a 1.1264678 Node 5.80178 -0.84567666 +0.12909324
e 0.2984689 Incl. 7.79136 -0.51426899 +0.06229880
P 1.20 H 23.12 G 0.15 U 0
Residuals in seconds of arc
170221 G96 0.2+ 0.5+ 230315 C95 0.2+ 0.3+ 230322 K88 0.0 0.3+
170221 G96 0.2- 0.5- 230315 204 0.2+ 0.2+ 230322 K88 0.3- 0.2-
230315 W16 0.0 0.1- 230315 C95 0.2+ 0.2- 230322 K88 0.6+ 0.0
230315 W16 0.3+ 0.1+ 230316 H21 0.2- 0.0 230322 J04 0.1+ 0.2-
230315 W16 0.2+ 0.1+ 230316 H21 0.2- 0.0 230322 J04 0.3+ 0.1-
230315 W16 0.4+ 0.2+ 230316 H21 0.2- 0.0 230322 J04 0.1+ 0.1-
230315 W16 0.2+ 0.2- 230316 Z84 0.2+ 0.1+ 230323 J04 0.0 0.1+
230315 W16 0.2+ 0.4- 230316 Z84 0.0 0.1+ 230323 J04 0.6+ 0.0
230315 W16 0.4+ 0.1+ 230316 Z84 0.3+ 0.1- 230323 J04 0.0 0.0
230315 W16 0.2+ 0.1+ 230317 104 0.8- 0.2+ 230324 033 0.1+ 0.1+
230315 L01 0.2- 0.2+ 230317 K88 0.6+ 0.3- 230324 033 0.1+ 0.0
230315 L01 0.5- 0.2+ 230317 104 0.5- 0.4- 230324 033 0.1+ 0.1+
230315 L01 0.4- 0.1+ 230317 K88 0.3+ 0.5- 230325 703 0.3- 0.8-
230315 L01 0.3- 0.2+ 230317 104 0.0 0.8+ 230325 703 0.7+ 0.2+
230315 L01 0.3- 0.1+ 230318 H36 0.7- 0.2+ 230325 703 0.7+ 0.0
230315 K78 0.3- 0.0 230318 H36 0.1- 0.7+ 230325 T12 0.1- 0.1-
230315 106 0.1+ 0.3+ 230318 H36 0.5- 0.8+ 230327 033 0.1+ 0.0
230315 106 0.5- 0.1+ 230318 I52 0.0 0.7+ 230327 033 0.7+ 0.3+
230315 K78 0.0 0.1+ 230318 I52 (2.5- 0.4+) 230327 033 0.2+ 0.1+
230315 106 0.1+ 0.1+ 230318 I52 0.1+ 0.2- 230328 703 0.3- 2.6+
230315 104 0.1+ 0.2+ 230318 I52 1.1+ 0.5- 230328 G37 0.0 0.0
230315 104 0.5- 0.1+ 230318 I52 0.2+ 0.2- 230328 G37 0.0 0.1-
230315 K78 0.1+ 0.3+ 230318 I52 0.2+ 0.3+ 230328 G37 0.1- 0.1-
230315 104 0.5- 0.2+ 230318 I52 0.3- 0.2+ 230328 703 0.2- 1.1+
230315 K74 0.4+ 0.5+ 230318 I52 0.1- 0.5- 230328 691 0.5+ 0.4+
230315 958 1.1+ 0.2+ 230318 G96 0.1+ 0.1+ 230328 691 0.1- 0.2-
230315 958 0.6- 0.4+ 230318 G96 0.4- 0.5+ 230328 691 0.3- 0.4+
230315 L38 0.3- 0.1+ 230318 G96 0.1+ 0.0 230329 695 0.0 0.0
230315 958 1.0+ 0.6+ 230318 G96 0.2+ 0.1- 230329 695 0.1- 0.1-
230315 K74 0.0 0.2+ 230318 T12 0.1+ 0.1- 230329 695 0.0 0.1-
230315 L38 0.1- 0.4+ 230318 T12 0.1+ 0.1- 230403 695 0.2- 0.1-
230315 I93 0.3- 0.3- 230318 T12 0.2+ 0.1- 230403 695 0.1+ 0.1-
230315 I93 0.4- 0.1- 230319 I52 0.2+ 0.5- 230408 807 0.0 0.2-
230315 I93 0.2- 0.3- 230319 I52 0.5+ 0.2+ 230408 807 0.2+ 0.1+
230315 B72 0.2+ 0.1+ 230319 I52 0.2+ 0.3- 230408 807 0.2- 0.3-
230315 I93 0.0 0.0 230319 I52 0.0 0.1- 231212 T12 0.0 0.1-
230315 L06 0.5- 0.3- 230320 T12 0.0 0.0 231212 T12 0.1- 0.1-
230315 L06 1.1- 0.0 230320 T12 0.0 0.0 231212 T12 0.0 0.2-
230315 L06 1.0- 0.1- 230321 033 0.1- 0.1- 231216 T12 0.1+ 0.1-
230315 204 0.1+ 0.3- 230321 033 0.2+ 0.2- 231216 T12 0.1+ 0.1-
230315 B72 0.5- 0.6- 230321 033 0.1+ 0.3+ 231216 T12 0.1+ 0.1-
Ephemeris:
2023 EN2 a,e,i = 1.13, 0.30, 8 q = 0.7903
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 02 06 04 18 25.1 +36 15 40 0.7614 1.4536 111.9 39.0 24.9
...
2024 02 21 04 36 22.9 +34 18 06 0.8739 1.4360 100.7 42.6 25.3
...
2024 02 29 04 49 19.5 +33 28 35 0.9323 1.4228 95.4 43.9 25.4
...
2024 03 06 05 00 12.4 +32 54 46 0.9747 1.4112 91.7 44.6 25.5
2024 03 07 05 02 06.4 +32 49 18 0.9817 1.4092 91.1 44.8 25.5
2024 03 08 05 04 01.9 +32 43 53 0.9885 1.4071 90.5 44.9 25.6
...
2024 03 14 05 16 02.9 +32 11 44 1.0286 1.3935 87.1 45.4 25.6
...
2024 03 22 05 33 10.4 +31 28 29 1.0786 1.3732 82.8 46.0 25.7
...
2024 04 06 06 07 58.9 +29 58 16 1.1597 1.3284 75.5 46.8 25.8
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-E111
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