2024-09-03 / UCAC4 448-010900 / (679) Pax

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Daniel Blazewicz	O+	VID	M350	PL	GPS	01:20:39	01:21:52.12	01:21:55.23	01:23:12	0.19	0.23	3.11	72.8
2	show	Leszek Benedyktowicz	O+	VID	M200	PL	GPS	01:21:21	01:21:52.100	01:21:55.100	01:22:54	0.30	0.30	3.00	70.2
3	show	Marcin Filipek	O+	VID	M250	PL	GPS	01:21:34	01:21:52.98	01:21:54.83	01:22:13	0.08	0.18	1.85	43.3
4	show	Jiri Kubanek	O-	VID	M303	CZ	GPS	01:20:14			01:23:14

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

4 observations found in db: sodis

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

JPL#73 : 54c6d020-ddb5-11f0-547e-d9b9ff4fd8fe [db: observed]

Using prediction 54c6d020-ddb5-11f0-547e-d9b9ff4fd8fe for map and profile fit

Ellipse and circular profile fits to the timings (chords)

Auto-Fit Result: Size = 95 x 18 km a',b' = 47.6, 8.9 km X0,Y0 = -150.5, 14.1 km Mean diameter = 41 km From 3 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: 2024-09-03, 01:21 UT (JD = 2460556.556)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 305	None	8.456	42°, -5°	2.443783e6	16773.6	0.0°	None	2011-04-20	not scaled	2011-02-19
# 306	None	8.456	220°, 32°	2.443783e6	16773.6	0.0°	preferred, consistent with AO, also agrees with occultation http://www.asteroidoccultation.com/observations/Results/Data2015/20150717_PaxProfileModel306.gif	2015-08-13	not scaled	2011-02-19

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] : 54c6d020-ddb5-11f0-547e-d9b9ff4fd8fe [observed] Occultation Date + Time : 2024-09-03 at 01:24:32 UT +/- 0.0 min [1] Object Designation : (679) Pax Orbit Class : MBA Star Designation : GDR3 3220702207544395136 Star Coordinates (ICRF) : RA = 05 33 37.0596, DE = -00 25 00.729 [2] Star Magnitudes : G = 13.1 mag, RP = 12.18 mag, BP = 13.95 mag Object Magnitude : V = 13.02 mag Estimated Magnitude Drop : 0.7 mag Estimated Max. Duration : 2.2 sec Object Mean Diameter : 51.5 km (src: astorb) Speed of the shadow : 23.4 km/s Elongation to Moon & Sun : 80° (sunlit = 0%), Sun = 79° Cross-track uncertainty : 2.7 mas = 3 km = 0.07 path-width (1-sig) RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#73 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

Aladin Sky Atlas

Aladin Lite direct link (has Gaia overlay)