Cora»OccDetail

Stellar Occultation by (1437) Diomedes on 2021-08-20 (22:50:40 UT)

Event Details
Occultation UUID [and db] : b8a3ddf2-35ec-4e49-ac95-4897a51f861e [observed] Occultation Date + Time : 2021-08-20 at 22:50:40 UT +/- 0.03 min [1] Object Designation : (1437) Diomedes Star Designation : GDR3 0203293072845936896 Star Coordinates (ICRF) : RA = 04 47 56.8869, DE = +41 17 57.316 [2] Star Magnitudes : G = 13.97 mag, RP = 13.46 mag, BP = 14.31 mag Object Magnitude : V = 16.01 mag Estimated Magnitude Drop : 2.2 mag Estimated Max. Duration : 7.2 sec Object Mean Diameter : 164 km (src: astorb) Orbital Class : JTRO Speed of the shadow : 22.9 km/s Elongation to Moon & Sun : 127° (sunlit = 97%), Sun = 73° Cross-track uncertainty : 0.3 mas = 1 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#92 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : b8a3ddf2-35ec-4e49-ac95-4897a51f861e [observed]

 Occultation Date + Time   : 2021-08-20 at 22:50:40 UT +/- 0.03 min  [1]
 Object Designation        : (1437) Diomedes
 Star Designation          : GDR3 0203293072845936896
 Star Coordinates (ICRF)   : RA = 04 47 56.8869, DE = +41 17 57.316  [2]
 Star Magnitudes           : G = 13.97 mag, RP = 13.46 mag, BP = 14.31 mag
 Object Magnitude          : V = 16.01 mag
 Estimated Magnitude Drop  : 2.2 mag
 Estimated Max. Duration   : 7.2 sec
 Object Mean Diameter      : 164 km  (src: astorb)
 Orbital Class             : JTRO
 Speed of the shadow       : 22.9 km/s
 Elongation to Moon & Sun  : 127° (sunlit = 97%), Sun = 73°
 Cross-track uncertainty   : 0.3 mas = 1 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 1.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#92

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

More Data and Informations

SiMDA \| 3D Asteroid Catalogue \| Johnston Archive \| Star at CDS (Vizier) \| JPL Small-Body Node \| Minor Planet Center \| Wikipedia

(If error 404: link not valid which means no data available)

Interactive map

Aladin Sky Atlas

Aladin Lite direct link (has Gaia overlay)

Occultation Ground Track
Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 22:48:45 +31.3683 +001.9359 +02 041 -44 22:48:53 +37.3156 +006.0693 +09 044 -39 22:49:01 +40.7342 +007.6470 +12 045 -36 22:49:09 +43.5235 +008.5324 +15 046 -34 22:49:17 +45.9736 +009.0025 +17 047 -31 22:49:25 +48.1989 +009.1602 +18 048 -29 22:49:33 +50.2577 +009.0521 +20 048 -27 22:49:40 +52.1836 +008.6989 +21 048 -25 22:49:48 +53.9970 +008.1072 +22 049 -23 22:49:56 +55.7100 +007.2743 +22 049 -22 22:50:04 +57.3297 +006.1906 +23 048 -20 22:50:12 +58.8586 +004.8415 +24 048 -18 22:50:20 +60.2959 +003.2082 +24 047 -17 22:50:28 +61.6375 +001.2692 +24 046 -15 22:50:36 +62.8763 -000.9985 +24 045 -14 22:50:44 +64.0020 -003.6172 +24 043 -12 22:50:51 +65.0009 -006.6048 +24 042 -11 22:50:59 +65.8562 -009.9716 +24 039 -09 22:51:07 +66.5480 -013.7140 +24 037 -08 22:51:15 +67.0535 -017.8099 +23 033 -07 22:51:23 +67.3476 -022.2130 +22 030 -05 22:51:31 +67.4035 -026.8511 +22 027 -04 22:51:39 +67.1935 -031.6283 +21 023 -03 22:51:47 +66.6875 -036.4318 +20 019 -02 22:51:55 +65.8510 -041.1437 +18 015 -01 22:52:02 +64.6376 -045.6527 +17 012 +00 22:52:10 +62.9718 -049.8640 +15 008 +01 22:52:18 +60.7031 -053.7026 +12 005 +02 22:52:26 +57.4288 -057.1082 +09 003 +02 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 22:48:45   +31.3683  +001.9359   +02  041  -44 22:48:53   +37.3156  +006.0693   +09  044  -39 22:49:01   +40.7342  +007.6470   +12  045  -36 22:49:09   +43.5235  +008.5324   +15  046  -34 22:49:17   +45.9736  +009.0025   +17  047  -31 22:49:25   +48.1989  +009.1602   +18  048  -29 22:49:33   +50.2577  +009.0521   +20  048  -27 22:49:40   +52.1836  +008.6989   +21  048  -25 22:49:48   +53.9970  +008.1072   +22  049  -23 22:49:56   +55.7100  +007.2743   +22  049  -22 22:50:04   +57.3297  +006.1906   +23  048  -20 22:50:12   +58.8586  +004.8415   +24  048  -18 22:50:20   +60.2959  +003.2082   +24  047  -17 22:50:28   +61.6375  +001.2692   +24  046  -15 22:50:36   +62.8763  -000.9985   +24  045  -14 22:50:44   +64.0020  -003.6172   +24  043  -12 22:50:51   +65.0009  -006.6048   +24  042  -11 22:50:59   +65.8562  -009.9716   +24  039  -09 22:51:07   +66.5480  -013.7140   +24  037  -08 22:51:15   +67.0535  -017.8099   +23  033  -07 22:51:23   +67.3476  -022.2130   +22  030  -05 22:51:31   +67.4035  -026.8511   +22  027  -04 22:51:39   +67.1935  -031.6283   +21  023  -03 22:51:47   +66.6875  -036.4318   +20  019  -02 22:51:55   +65.8510  -041.1437   +18  015  -01 22:52:02   +64.6376  -045.6527   +17  012  +00 22:52:10   +62.9718  -049.8640   +15  008  +01 22:52:18   +60.7031  -053.7026   +12  005  +02 22:52:26   +57.4288  -057.1082   +09  003  +02

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +30.3480 +000.0810 +36.2421 +007.8887 +30.9398 -001.2559 +39.7187 +009.6469 +38.1104 +003.8975 +42.5668 +010.7144 +41.5182 +005.3339 +45.0713 +011.3687 +44.2712 +006.0521 +47.3502 +011.7183 +46.6760 +006.3405 +49.4639 +011.8137 +48.8498 +006.3024 +51.4480 +011.6787 +50.8510 +005.9831 +53.3242 +011.3223 +52.7122 +005.4020 +55.1067 +010.7440 +54.4527 +004.5643 +56.8040 +009.9362 +56.0832 +003.4663 +58.4207 +008.8855 +57.6088 +002.0980 +59.9581 +007.5735 +59.0300 +000.4456 +61.4146 +005.9775 +60.3436 -001.5075 +62.7859 +004.0712 +61.5429 -003.7782 +64.0646 +001.8256 +62.6179 -006.3819 +65.2403 -000.7884 +63.5550 -009.3292 +66.2995 -003.7976 +64.3376 -012.6220 +67.2250 -007.2215 +64.9459 -016.2494 +67.9965 -011.0668 +65.3571 -020.1835 +68.5907 -015.3192 +65.5458 -024.3760 +68.9818 -019.9374 +65.4837 -028.7582 +69.1429 -024.8474 +65.1393 -033.2434 +69.0471 -029.9440 +64.4749 -037.7333 +68.6677 -035.0980 +63.4399 -042.1278 +67.9780 -040.1704 +61.9540 -046.3335 +66.9473 -045.0288 +59.8607 -050.2721 +65.5325 -049.5613 +56.7385 -053.8876 +63.6596 -053.6825 +57.6704 -056.6567 +61.1740 -057.3310 Azimuth (Azm) measured from North to East.

Collaborative Occultation Resources and Archive (CORA)

Stellar Occultation by (1437) Diomedes on 2021-08-20 (22:50:40 UT)