2024-11-27 / UCAC4 515-012106 / (350) Ornamenta

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Marcin Filipek	O+	VID	M250	PL	GPS	20:29:25	20:29:33.47	20:29:40.12	20:29:56	0.06	0.06	6.65	87.8
2	show	Malcolm Jennings	O+	VID	M276	GB	GPS	20:28:0.	20:30:30.860	20:30:36.140	20:32:0.	0.94	0.94	5.28	69.7
3	show	Peter Tickner	O+	VID	M356	GB	GPS	20:28:18	20:30:31.40	20:30:38.23	20:32:35	0.20	0.15	6.83	90.2
4	show	Philip Denyer	O+	VID	M235	GB	GPS	20:30:33		20:30:35.58	20:32:49		0.16
5	show	Tim Haymes	O+	VID	M280	GB	GPS	20:28:00	20:30:30.81	20:30:38.40	20:33:00	0.1	0.2	7.59	100.2
6	show	Simon Kidd	O+	VID	M350	GB	GPS	20:29:30	20:30:27.930	20:30:35.600	20:31:30	0.03	0.02	7.67	101.2

UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

6 observations found in db: sodis

Available (probably) matching predictions (click on the link to switch):

JPL#78 : ad32c4d0-ddb5-11f0-547e-ad026aa7721b [db: observed]

Using prediction ad32c4d0-ddb5-11f0-547e-ad026aa7721b for map and profile fit

Ellipse and circular profile fits to the timings (chords)

Auto-Fit Result: Size = 115 x 108 km a',b' = 57.6, 54.2 km X0,Y0 = -1074.2, 31.0 km Mean diameter = 112 km From 5 chords (VID) Chords to ignore: Fill: Grid: Show (close) miss chords: You can enter space separated chord numbers (example: 11 4 8) or a method like VIS to ignore all visual timings, or a time source like RAD and NTP (but not GPS). If the plot disappears, then there are less than 2 chords left (too much ignored, go back with browser). Check SiMDA for size and mass data. Check Johnston Archive for satellites.

Sky projection (artificial light) for occ. time: 2024-11-27, 20:29 UT (JD = 2460642.353)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 205	None	9.180	184°, -29°	2.448596e6	12046.4	0.0°	None	2010-04-15	not scaled	2009-11-05

Q: model quality flag (0-5, 5=highest) | P: rotation period | λ,β: ecl. lon. and lat. of spin axis (J2000) | JD: initial time (epoch) | φ0: initial rotation angle for JD0

Map with groundtrack and observer stations

Event Details

Occultation UUID [and DB] : ad32c4d0-ddb5-11f0-547e-ad026aa7721b [observed] Occultation Date + Time : 2024-11-27 at 20:23:46 UT +/- 0.01 min [1] Object Designation : (350) Ornamenta Orbit Class : MBA Star Designation : GDR3 3389074855513403776 Star Coordinates (ICRF) : RA = 05 27 00.3945, DE = +12 53 43.037 [2] Star Magnitudes : G = 12.89 mag, RP = 11.93 mag, BP = 13.86 mag Object Magnitude : V = 12.18 mag Estimated Magnitude Drop : 0.5 mag Estimated Max. Duration : 9.0 sec Object Mean Diameter : 118.3 km (src: astorb) Speed of the shadow : 13.2 km/s Elongation to Moon & Sun : 125° (sunlit = 11%), Sun = 161° Cross-track uncertainty : 2.0 mas = 2 km = 0.02 path-width (1-sig) RUWE and duplicate source : 1.08 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#78 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

More Data and Informations
SiMDA | 3D Asteroid Catalogue | Johnston Archive | Star at CDS (Vizier) | JPL Small-Body Node | Minor Planet Center | Wikipedia

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