Cora»Occultation

2023-10-23 / UCAC4 622-007678 / (138637) 2000 RN20

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Alfonso Noschese	O-	VID	M300	IT	GPS	18:16:28			18:20:28

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#42 : 2e4486a0-ddb4-11f0-547e-f09a5fb568f0 [db: observed]

Using prediction 2e4486a0-ddb4-11f0-547e-f09a5fb568f0 for map and profile fit

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Event Details
Occultation UUID [and DB] : 2e4486a0-ddb4-11f0-547e-f09a5fb568f0 [observed] Occultation Date + Time : 2023-10-23 at 18:11:35 UT +/- 0.01 min [1] Object Designation : (138637) 2000 RN20 Orbit Class : MBA Star Designation : GDR3 0134777864752241920 Star Coordinates (ICRF) : RA = 02 38 29.6346, DE = +34 15 45.333 [2] Star Magnitudes : G = 12.68 mag, RP = 12.22 mag, BP = 12.96 mag Object Magnitude : V = 18.68 mag Estimated Magnitude Drop : 6.0 mag Estimated Max. Duration : 0.4 sec Object Mean Diameter : 4.8 km (src: astorb) Speed of the shadow : 11.0 km/s Elongation to Moon & Sun : 88° (sunlit = 68%), Sun = 155° Cross-track uncertainty : 2.0 mas = 2 km = 0.60 path-width (1-sig) RUWE and duplicate source : 1.32 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#42 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 2e4486a0-ddb4-11f0-547e-f09a5fb568f0 [observed] Occultation Date + Time : 2023-10-23 at 18:11:35 UT +/- 0.01 min [1] Object Designation : (138637) 2000 RN20 Orbit Class : MBA Star Designation : GDR3 0134777864752241920 Star Coordinates (ICRF) : RA = 02 38 29.6346, DE = +34 15 45.333 [2] Star Magnitudes : G = 12.68 mag, RP = 12.22 mag, BP = 12.96 mag Object Magnitude : V = 18.68 mag Estimated Magnitude Drop : 6.0 mag Estimated Max. Duration : 0.4 sec Object Mean Diameter : 4.8 km (src: astorb) Speed of the shadow : 11.0 km/s Elongation to Moon & Sun : 88° (sunlit = 68%), Sun = 155° Cross-track uncertainty : 2.0 mas = 2 km = 0.60 path-width (1-sig) RUWE and duplicate source : 1.32 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#42 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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