Cora»Occultation

2024-08-21 / UCAC4 342-082930 / (1551) Argelander

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Anna Marciniak	O+	CCD	M400	PL	GPS	20:49:03	20:49:58.950	20:50:00.140	20:51:01	0.17	0.17	1.19	12.4

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

1 observation found in db: sodis

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

JPL#72 : 44304ac0-ddb5-11f0-547e-bdb6dfee5e3f [db: observed]

Using prediction 44304ac0-ddb5-11f0-547e-bdb6dfee5e3f for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2024-08-21, 20:48 UT (JD = 2460544.367)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 1412	None	4.058	183°, -72°	2.450996e6	9548.4	0.0°	None	2017-05-12	not scaled	2016-01-12
# 1413	None	4.058	3°, -81°	2.450996e6	9548.4	0.0°	None	2017-05-12	not scaled	2016-01-12

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

Image size: 300px. Transparent image background for copy & paste

Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 44304ac0-ddb5-11f0-547e-bdb6dfee5e3f [observed] Occultation Date + Time : 2024-08-21 at 20:47:56 UT +/- 0.0 min [1] Object Designation : (1551) Argelander Orbit Class : MBA Star Designation : GDR3 4126682716351088128 Star Coordinates (ICRF) : RA = 16 49 59.4202, DE = -21 46 05.233 [2] Star Magnitudes : G = 10.58 mag, RP = 9.54 mag, BP = 11.69 mag Object Magnitude : V = 16.57 mag Estimated Magnitude Drop : 6.0 mag Estimated Max. Duration : 2.2 sec Object Mean Diameter : 23.3 km (src: astorb) Speed of the shadow : 10.4 km/s Elongation to Moon & Sun : 105° (sunlit = 94%), Sun = 104° Cross-track uncertainty : 0.3 mas = 0 km = 0.02 path-width (1-sig) RUWE and duplicate source : 0.83 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#72 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 44304ac0-ddb5-11f0-547e-bdb6dfee5e3f [observed] Occultation Date + Time : 2024-08-21 at 20:47:56 UT +/- 0.0 min [1] Object Designation : (1551) Argelander Orbit Class : MBA Star Designation : GDR3 4126682716351088128 Star Coordinates (ICRF) : RA = 16 49 59.4202, DE = -21 46 05.233 [2] Star Magnitudes : G = 10.58 mag, RP = 9.54 mag, BP = 11.69 mag Object Magnitude : V = 16.57 mag Estimated Magnitude Drop : 6.0 mag Estimated Max. Duration : 2.2 sec Object Mean Diameter : 23.3 km (src: astorb) Speed of the shadow : 10.4 km/s Elongation to Moon & Sun : 105° (sunlit = 94%), Sun = 104° Cross-track uncertainty : 0.3 mas = 0 km = 0.02 path-width (1-sig) RUWE and duplicate source : 0.83 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#72 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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