Cora»Occultation

2024-06-29 / UCAC4 312-177579 / (406) Erna

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Ferran Casarramona	O+	VID	M200	ES	GPS	01:48:02	01:49:41.51	01:49:45.1	01:51:01	2.00	2.00	3.59	39.5

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#78 : af3e9730-ddb1-11f0-547e-62c22f376efd [db: observed]

JPL#78 : af3e9730-ddb1-11f0-547e-7dd8d1f7ff2e [db: observed]

Using prediction af3e9730-ddb1-11f0-547e-62c22f376efd for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2024-06-29, 01:49 UT (JD = 2460490.576)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 482	None	8.791	357°, -49°	2.450922e6	9568.6	0.0°	None	None	not scaled	2013-02-11
# 483	None	8.791	161°, -60°	2.450922e6	9568.6	0.0°	None	None	not scaled	2013-02-11

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] : af3e9730-ddb1-11f0-547e-62c22f376efd [observed] Occultation Date + Time : 2024-06-29 at 01:55:49 UT +/- 0.01 min [1] Object Designation : (406) Erna Orbit Class : MBA Star Designation : GDR3 4052399367299255680 Star Coordinates (ICRF) : RA = 18 14 21.4333, DE = -27 45 04.216 [2] Star Magnitudes : G = 14.57 mag, RP = 18.21 mag, BP = 19.44 mag Object Magnitude : V = 14.05 mag Estimated Magnitude Drop : 0.5 mag Estimated Max. Duration : 4.5 sec Object Mean Diameter : 49.2 km (src: astorb) Speed of the shadow : 11.0 km/s Elongation to Moon & Sun : 97° (sunlit = 48%), Sun = 174° Cross-track uncertainty : 2.8 mas = 3 km = 0.07 path-width (1-sig) RUWE and duplicate source : 8.07 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

Event Details

Occultation UUID [and DB] : af3e9730-ddb1-11f0-547e-62c22f376efd [observed] Occultation Date + Time : 2024-06-29 at 01:55:49 UT +/- 0.01 min [1] Object Designation : (406) Erna Orbit Class : MBA Star Designation : GDR3 4052399367299255680 Star Coordinates (ICRF) : RA = 18 14 21.4333, DE = -27 45 04.216 [2] Star Magnitudes : G = 14.57 mag, RP = 18.21 mag, BP = 19.44 mag Object Magnitude : V = 14.05 mag Estimated Magnitude Drop : 0.5 mag Estimated Max. Duration : 4.5 sec Object Mean Diameter : 49.2 km (src: astorb) Speed of the shadow : 11.0 km/s Elongation to Moon & Sun : 97° (sunlit = 48%), Sun = 174° Cross-track uncertainty : 2.8 mas = 3 km = 0.07 path-width (1-sig) RUWE and duplicate source : 8.07 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

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