MPEC 2017-R56 : 2017 RX1
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M.P.E.C. 2017-R56 Issued 2017 Sept. 14, 02:18 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
2017 RX1
Observations:
K17R01X* C2017 09 12.44618 00 23 33.92 +01 03 50.4 18.2 oLER056T08
K17R01X C2017 09 12.45285 00 23 34.68 +01 05 42.6 17.7 oLER056T08
K17R01X C2017 09 12.45997 00 23 35.47 +01 07 42.2 17.7 oLER056T08
K17R01X C2017 09 12.46679 00 23 36.18 +01 09 36.8 17.9 oLER056T08
K17R01X KC2017 09 12.85534 00 24 58.71 +02 56 53.9 18.1 VSER056C43
K17R01X KC2017 09 12.85739 00 24 59.05 +02 57 28.5 18.0 VSER056C43
K17R01X KC2017 09 12.85944 00 24 59.36 +02 58 03.3 18.0 VSER056C43
K17R01X KC2017 09 12.86150 00 24 59.68 +02 58 38.0 18.1 VSER056C43
K17R01X KC2017 09 12.86369 00 25 00.02 +02 59 15.0 18.0 VSER056C43
K17R01X KC2017 09 12.88206 00 25 03.72 +03 04 40.0 18.0 VqER056595
K17R01X KC2017 09 12.88892 00 25 04.74 +03 06 36.5 17.8 VqER056595
K17R01X KC2017 09 12.89490 00 25 05.12 +03 08 07.4 17.3 RqER056K61
K17R01X KC2017 09 12.89525 00 25 05.18 +03 08 13.2 17.4 RqER056K61
K17R01X KC2017 09 12.89577 00 25 05.25 +03 08 21.9 17.5 RqER056K61
K17R01X KC2017 09 12.89579 00 25 05.75 +03 08 32.3 17.9 VqER056595
K17R01X KC2017 09 12.89656 00 25 05.36 +03 08 35.1 17.5 RqER056K61
K17R01X KC2017 09 12.89922 00 25 06.25 +03 09 30.8 18.2 VqER056595
K17R01X KC2017 09 12.91159 00 25 10.11 +03 13 10.6 17.7 RqER056B49
K17R01X KC2017 09 12.91475 00 25 10.57 +03 14 03.8 17.5 RqER056B49
K17R01X KC2017 09 12.91752 00 25 10.97 +03 14 50.8 17.7 RqER056B49
K17R01X KC2017 09 12.94150 00 25 13.23 +03 21 28.7 17.8 VqER056C77
K17R01X KC2017 09 12.94454 00 25 13.63 +03 22 18.6 18.7 VqER056C77
K17R01X KC2017 09 12.94773 00 25 14.08 +03 23 14.0 18.8 VqER056C77
K17R01X 9C2017 09 13.02360 00 25 29.20 +03 45 25.9 17.4 VUER056G40
K17R01X 9C2017 09 13.03757 00 25 30.89 +03 49 21.7 17.3 VUER056G40
K17R01X 9C2017 09 13.04385 00 25 31.62 +03 51 08.3 17.3 VUER056G40
K17R01X 4C2017 09 13.05043 00 25 29.23 +03 52 26.6 17.7 VqER056I89
K17R01X 4C2017 09 13.05396 00 25 29.65 +03 53 25.9 17.5 VqER056I89
K17R01X 4C2017 09 13.05760 00 25 30.11 +03 54 27.3 17.8 VqER056I89
K17R01X KC2017 09 13.20369 00 26 08.98 +04 35 51.4 18.4 VqER056G48
K17R01X KC2017 09 13.20629 00 26 09.26 +04 36 33.2 18.5 VqER056G48
K17R01X KC2017 09 13.25176 00 26 12.61 +04 49 05.1 17.7 RqER056H36
K17R01X KC2017 09 13.25280 00 26 12.74 +04 49 22.6 17.5 RqER056H36
K17R01X C2017 09 13.25550 00 26 16.02 +04 50 28.9 18.3 VqER056G48
K17R01X KC2017 09 13.25623 00 26 13.15 +04 50 21.1 17.6 RqER056H36
K17R01X C2017 09 13.25677 00 26 16.12 +04 50 52.4 18.5 VqER056G48
K17R01X C2017 09 13.25803 00 26 16.28 +04 51 10.6 18.2 VqER056G48
K17R01X HC2017 09 13.31039 00 26 23.28 +05 05 58.7 17.7 RoER056691
K17R01X HC2017 09 13.31563 00 26 23.90 +05 07 26.9 17.8 RoER056691
K17R01X KC2017 09 13.31739 00 26 22.42 +05 08 01.6 oER056711
K17R01X HC2017 09 13.32085 00 26 24.51 +05 08 55.4 18.0 RoER056691
K17R01X C2017 09 13.34483 00 26 27.13 +05 15 39.0 18.0 VqER056I52
K17R01X C2017 09 13.34508 00 26 27.15 +05 15 43.0 18.1 VqER056I52
K17R01X C2017 09 13.34532 00 26 27.18 +05 15 47.2 18.0 VqER056I52
K17R01X C2017 09 13.34557 00 26 27.21 +05 15 51.2 17.9 VqER056I52
K17R01X KC2017 09 13.84875 00 28 12.37 +07 36 35.0 18.0 VtER056L04
K17R01X KC2017 09 13.86266 00 28 14.43 +07 40 30.7 18.1 VtER056L04
K17R01X KC2017 09 13.86697 00 28 15.06 +07 41 43.8 18.3 VtER056L04
K17R01X C2017 09 13.86819 00 28 19.62 +07 42 24.7 17.4 RtER056Z84
K17R01X C2017 09 13.86873 00 28 19.71 +07 42 35.1 17.0 RtER056Z84
K17R01X C2017 09 13.86925 00 28 19.79 +07 42 43.3 17.8 RtER056Z84
K17R01X C2017 09 13.86977 00 28 19.86 +07 42 52.7 17.2 RtER056Z84
K17R01X C2017 09 13.87030 00 28 19.94 +07 43 01.4 17.4 RtER056Z84
K17R01X KC2017 09 13.87290 00 28 19.28 +07 43 33.8 17.9 RqER056B49
K17R01X KC2017 09 13.87503 00 28 16.20 +07 44 00.4 18.0 VtER056L04
K17R01X KC2017 09 13.87940 00 28 20.31 +07 45 24.3 17.6 RqER056B49
K17R01X C2017 09 13.88133 00 28 21.72 +07 46 08.6 17.7 RtER056Z84
K17R01X C2017 09 13.88186 00 28 21.79 +07 46 17.8 17.2 RtER056Z84
K17R01X C2017 09 13.88235 00 28 21.86 +07 46 26.2 17.1 RtER056Z84
K17R01X KC2017 09 13.88614 00 28 21.37 +07 47 18.5 17.6 RqER056B49
K17R01X KC2017 09 13.88934 00 28 20.41 +07 48 07.9 17.4 RqER056104
K17R01X KC2017 09 13.89251700 28 21.06 +07 48 59.3 17.3 VUER056K41
K17R01X KC2017 09 13.89490 00 28 21.22 +07 49 42.1 17.4 RqER056104
K17R01X KC2017 09 13.89788100 28 21.87 +07 50 30.1 17.3 VUER056K41
K17R01X KC2017 09 13.90045 00 28 22.02 +07 51 16.2 17.6 RqER056104
K17R01X KC2017 09 13.90780200 28 23.25 +07 53 17.8 17.6 VUER056K41
K17R01X KC2017 09 13.91420 00 28 23.97 +07 55 08.6 17.7 tER056K63
K17R01X KC2017 09 13.91828 00 28 24.54 +07 56 17.9 17.8 tER056K63
K17R01X KC2017 09 13.92213 00 28 25.08 +07 57 22.6 17.7 tER056K63
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m f/4 reflector + CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.61-m f/4.0 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer A. F. Tubbiolo. 0.9-m f/3
reflector + CCD.
711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal
reducer.
B49 Paus Observatory, Sabadell. Observer J. Camarasa. 0.30-m f/4 Newtonian
reflector + CCD.
C43 Hoyerswerda. Observer P. Lindner. 0.30-m f/6.3 Schmidt-Cassegrain + CCD.
C77 Bernezzo Observatory. Observer A. Mantero. 0.25-m f/4.0 reflector + CCD.
G40 Slooh.com Canary Islands Observatory. Observer B. Lutkenhoner. 0.5-m
f/6.8 Corrected Dall-Kirkham + CCD.
G48 Harlingten Research Observatory, Rancho Hildalgo. Observers C. Harlingten,
M. Mills. Measurer M. Mills. 0.40-m f/6.7 Ritchey-Chretien + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. G. Matheny.
Measurers 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. G. Matheny,
R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
I89 iTelescope Observatory, Nerpio. Observer M. Suzuki. 0.43-m f/6.8
reflector + CCD.
K41 Vegaquattro Astronomical Obs., Novi Ligure. Observer v. luna. 0.3-m
Schmidt-Cassegrain + CCD.
K61 Rokycany Observatory. Observer M. Adamovsky. 0.51-m f/6.8 reflector
+ CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.40-m
f/3.2 Newtonian reflector + CCD.
L04 ROASTERR-1 Observatory, Cluj-Napoca. Observer L. Hudin. 0.3-m f/5.0
reflector + CCD.
T08 ATLAS-MLO, Mauna Loa. Observers L. Denneau, A. Heinze, H. Weiland,
B. Stalder, J. Tonry. Measurers L. Denneau, A. Heinze, J. Tonry. 0.5-m
f/2.0 Schmidt + CCD.
Z84 Calar Alto-Schmidt. Observer E. Schwab. Measurers E. Schwab, M. Micheli,
D. Koschny. 0.8-m f/3 Schmidt + CCD.
Orbital elements:
2017 RX1 Earth MOID = 0.0382 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 349.21454 (2000.0) P Q
n 0.57095940 Peri. 10.57287 +0.99947472 -0.02189496
a 1.4390169 Node 350.58291 +0.00606781 +0.85065638
e 0.2767408 Incl. 8.39691 +0.03183499 +0.52526596
P 1.73 H 24.0 G 0.15 U 7
Residuals in seconds of arc
170912 T08 0.3- 0.2- 170913 G40 0.4- 0.1- 170913 L04 0.1+ 0.0
170912 T08 0.2+ 0.1- 170913 G40 0.2+ 0.5- 170913 L04 0.1+ 0.1+
170912 T08 0.5+ 0.1- 170913 G40 0.1+ 0.1- 170913 Z84 0.2+ 1.0-
170912 T08 0.0 0.1- 170913 I89 0.2+ 0.4- 170913 Z84 0.3+ 0.3+
170912 C43 0.1- 0.2- 170913 I89 0.0 0.7- 170913 Z84 0.2+ 0.4-
170912 C43 0.0 0.2- 170913 I89 0.2+ 0.8- 170913 Z84 0.0 0.2+
170912 C43 0.2- 0.0 170913 G48 0.1- 0.8+ 170913 Z84 0.1- 0.1-
170912 C43 0.3- 0.1- 170913 G48 (1.5- 1.5-) 170913 B49 0.1- 0.1-
170912 C43 0.4- 0.1- 170913 H36 0.1+ 0.3+ 170913 L04 0.2- 0.2+
170912 595 0.2+ 0.1- 170913 H36 0.1+ 0.2+ 170913 B49 0.1+ 0.1+
170912 595 0.3+ 0.5+ 170913 G48 0.2+ 0.2- 170913 Z84 0.2+ 0.2-
170912 K61 0.1- 0.7+ 170913 H36 0.3- 0.7+ 170913 Z84 0.0 0.0
170912 K61 0.0 0.6+ 170913 G48 (0.8- 1.8+) 170913 Z84 0.1- 0.0
170912 K61 0.1- 0.5+ 170913 G48 0.8- 1.4- 170913 B49 0.4+ 0.1-
170912 595 0.5+ 0.2+ 170913 691 0.0 0.4+ 170913 104 0.2+ 0.2+
170912 K61 0.2- 0.4+ 170913 691 0.0 0.0 170913 K41 0.3+ 0.4+
170912 595 0.5+ 0.7+ 170913 711 0.9- 0.2+ 170913 104 0.2+ 0.2+
170912 B49 0.0 0.1+ 170913 691 0.1- 0.2+ 170913 K41 0.6+ 0.3+
170912 B49 0.0 0.2- 170913 I52 0.1- 0.0 170913 104 0.3+ 0.3+
170912 B49 0.1+ 0.0 170913 I52 0.3- 0.3- 170913 K41 0.2- 0.1-
170912 C77 0.2+ 0.3+ 170913 I52 0.2- 0.1- 170913 K63 0.4- 0.0
170912 C77 0.0 1.2- 170913 I52 0.2- 0.3- 170913 K63 0.3- 0.2+
170912 C77 0.3+ 0.3+ 170913 L04 0.0 0.1- 170913 K63 0.2- 0.3-
Ephemeris:
2017 RX1 a,e,i = 1.44, 0.28, 8 q = 1.0408
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 08 15 23 02 26.2 -55 15 32 0.1105 1.0947 135.7 40.2 21.0
...
2017 08 30 23 41 40.9 -42 12 35 0.06395 1.0619 143.6 34.3 19.6
...
2017 09 07 00 05 58.7 -21 49 50 0.04567 1.0502 158.0 21.0 18.4
...
2017 09 13 00 25 19.5 +03 40 06 0.03994 1.0444 162.9 16.5 18.0
2017 09 14 00 28 34.5 +08 21 12 0.03995 1.0437 160.7 18.6 18.1
2017 09 15 00 31 49.2 +12 59 25 0.04026 1.0431 157.9 21.3 18.2
...
2017 09 21 00 51 00.2 +36 47 33 0.04741 1.0409 140.0 38.3 19.0
...
2017 09 29 01 15 01.6 +54 50 43 0.06570 1.0421 126.3 50.8 20.1
...
2017 10 14 01 49 36.5 +66 42 51 0.1076 1.0570 121.0 53.9 21.3
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-R56
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