Cora»Occultation

2026-04-19 / J132222.91+084927.6 / (4086) Podalirius

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Wacław Pieczonka	O+	VID	M200	PL	NTP	01:26:53	01:27:29.71	01:27:32.87	01:28:12	0.100	0.130	3.16	58.1
2	show	Henk de Groot	O+	VID	M350	NL	GPS	01:27:28	01:28:20.95	01:28:23.24	01:29:17	0.020	0.040	2.29	42.1

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

2 observations found in db: sodis

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

JPL#65 : 6c408330-3419-11f1-6999-42c0f8d646b5 [db: asteroids]

Using prediction 6c408330-3419-11f1-6999-42c0f8d646b5 for map and profile fit

Get observations as KML file (reduced site location resolution)

Ellipse and circular profile fits to the timings (chords)

Auto-Fit Result:
X0,Y0 = -521.8, 1.4 km
Circular diameter = 60 km

From 2 chords (VID)

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: 2026-04-19, 01:26 UT (JD = 2461149.560)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 5329	1.0	10.433	22°, 12°	2.457241e6	3908.6	0.0°	None	2020-10-05	not scaled	2019-10-23
# 5330	1.0	10.434	207°, 12°	2.457241e6	3908.6	0.0°	None	2020-10-05	not scaled	2019-10-23

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] : 6c408330-3419-11f1-6999-42c0f8d646b5 [asteroids] Occultation Date + Time : 2026-04-19 at 01:29:55 UT +/- 0.02 min [1] Object Designation : (4086) Podalirius Orbit Class : JTRO Star Designation : GDR3 3731871180547264256 Star Coordinates (ICRF) : RA = 13 22 22.8904, DE = +08 49 27.565 [2] Star Magnitudes : G = 12.5 mag, RP = 11.96 mag, BP = 12.88 mag Object Magnitude : V = 16.82 mag Estimated Magnitude Drop : 4.3 mag Estimated Max. Duration : 4.7 sec Object Mean Diameter : 86.9 km (src: astorb) Speed of the shadow : 18.4 km/s Elongation to Moon & Sun : 139° (sunlit = 4%), Sun = 159° Cross-track uncertainty : 6.0 mas = 20 km = 0.24 path-width (1-sig) RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#65 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and DB] : 6c408330-3419-11f1-6999-42c0f8d646b5 [asteroids]

 Occultation Date + Time   : 2026-04-19 at 01:29:55 UT +/- 0.02 min  [1]
 Object Designation        : (4086) Podalirius
 Orbit Class               : JTRO
 Star Designation          : GDR3 3731871180547264256
 Star Coordinates (ICRF)   : RA = 13 22 22.8904, DE = +08 49 27.565  [2]
 Star Magnitudes           : G = 12.5 mag, RP = 11.96 mag, BP = 12.88 mag
 Object Magnitude          : V = 16.82 mag
 Estimated Magnitude Drop  : 4.3 mag
 Estimated Max. Duration   : 4.7 sec
 Object Mean Diameter      : 86.9 km  (src: astorb)
 Speed of the shadow       : 18.4 km/s
 Elongation to Moon & Sun  : 139° (sunlit = 4%), Sun = 159°
 Cross-track uncertainty   : 6.0 mas = 20 km = 0.24 path-width (1-sig)
 RUWE and duplicate source : 1.09 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#65
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

More Data and Informations

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