Cora»Occultation

2022-12-16 / UCAC4 424-129252 / (409) Aspasia

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Simon Kidd	O+	VID	M350	GB	GPS	19:38:00	19:38:57.970	19:39:01.320	19:40:00	0.13	0.13	3.35	116.2

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

1 observation found in db: sodis

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

JPL#136 : 39fb2450-ddb3-11f0-547e-302bbedee622 [db: observed]

Using prediction 39fb2450-ddb3-11f0-547e-302bbedee622 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2022-12-16, 19:37 UT (JD = 2459930.317)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 215	None	9.021	3°, 30°	2.44431e6	15620.3	0.0°	None	2011-04-11	173.0 +/- 17.0 km	2011-03-28
# 715	4.0	9.021	4°, 29°	2.44431e6	15620.3	0.0°	None	2017-06-19	164.0 +/- 3.0 km	2017-06-19

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

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

Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 39fb2450-ddb3-11f0-547e-302bbedee622 [observed] Occultation Date + Time : 2022-12-16 at 19:36:53 UT +/- 0.0 min [1] Object Designation : (409) Aspasia Orbit Class : MBA Star Designation : GDR3 6899484980973473792 Star Coordinates (ICRF) : RA = 21 22 01.9325, DE = -05 14 51.243 [2] Star Magnitudes : G = 11.72 mag, RP = 10.95 mag, BP = 12.35 mag Object Magnitude : V = 12.92 mag Estimated Magnitude Drop : 1.5 mag Estimated Max. Duration : 4.7 sec Object Mean Diameter : 161.6 km (src: astorb) Speed of the shadow : 34.7 km/s Elongation to Moon & Sun : 139° (sunlit = 46%), Sun = 57° Cross-track uncertainty : 1.0 mas = 2 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#136 Note : FP:true Object is a Gaia mass determination target ! [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 39fb2450-ddb3-11f0-547e-302bbedee622 [observed] Occultation Date + Time : 2022-12-16 at 19:36:53 UT +/- 0.0 min [1] Object Designation : (409) Aspasia Orbit Class : MBA Star Designation : GDR3 6899484980973473792 Star Coordinates (ICRF) : RA = 21 22 01.9325, DE = -05 14 51.243 [2] Star Magnitudes : G = 11.72 mag, RP = 10.95 mag, BP = 12.35 mag Object Magnitude : V = 12.92 mag Estimated Magnitude Drop : 1.5 mag Estimated Max. Duration : 4.7 sec Object Mean Diameter : 161.6 km (src: astorb) Speed of the shadow : 34.7 km/s Elongation to Moon & Sun : 139° (sunlit = 46%), Sun = 57° Cross-track uncertainty : 1.0 mas = 2 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#136 Note : FP:true Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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