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2010 CA261 Close approach
#2
In the databases I searched (Horizons and http://www.brera.mi.astro.it/sormano/sael.html), it has an H of 99.99 with Horizons listing its magnitude over the next 27 days as 93! No decimal point! If you edit the rock, what H does it show? I'm showing 16.6, not 100.

Is it a captured asteroid or an earth orbiting satellite? Unable to find much on it but when importing from the MPC, shows an H=16.5 vs Horizons H=99.99. I've done several searches for it and have come up empty.

In order to get the magnitude tonight and tomorrow morning to be 10.7, I have to change the H to 18.0

I was attempting to run an ephem for tonight and get this - an 8 hour run starting at 22:00 tonight. Should be up ~11 at 10PM but does not show the position. Yes, there is moonlight them but it 10.7 mag, well withing reach of the 13 incher. And I ran the ephem for the 24.

   
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Messages In This Thread
2010 CA261 Close approach - by PMSchu - 2021-08-11, 07:30 PM
RE: 2010 CA261 Close approach - by bigmasterdrago - 2021-08-14, 03:01 PM
RE: 2010 CA261 Close approach - by PMSchu - 2021-08-14, 04:18 PM
RE: 2010 CA261 Close approach - by bigmasterdrago - 2021-08-14, 06:11 PM
RE: 2010 CA261 Close approach - by PMSchu - 2021-08-14, 10:36 PM
RE: 2010 CA261 Close approach - by bigmasterdrago - 2021-08-15, 12:55 AM
RE: 2010 CA261 Close approach - by bigmasterdrago - 2021-08-15, 03:30 AM
RE: 2010 CA261 Close approach - by PMSchu - 2021-08-15, 06:02 PM
RE: 2010 CA261 Close approach - by bigmasterdrago - 2021-08-15, 08:36 PM
RE: 2010 CA261 Close approach - by bigmasterdrago - 2021-08-16, 12:53 PM
RE: 2010 CA261 Close approach - by bigmasterdrago - 2021-08-16, 03:45 PM
RE: 2010 CA261 Close approach - by PMSchu - 2021-08-16, 03:58 PM
RE: 2010 CA261 Close approach - by bigmasterdrago - 2021-08-16, 04:37 PM
RE: 2010 CA261 Close approach - by PMSchu - 2021-08-16, 04:46 PM
RE: 2010 CA261 Close approach - by bigmasterdrago - 2021-08-16, 04:47 PM
RE: 2010 CA261 Close approach - by PMSchu - 2021-08-16, 07:55 PM
RE: 2010 CA261 Close approach - by bigmasterdrago - 2021-08-22, 05:39 PM
RE: 2010 CA261 Close approach - by theskyhound - 2021-08-22, 06:55 PM
RE: 2010 CA261 Close approach - by PMSchu - 2021-08-22, 08:56 PM
RE: 2010 CA261 Close approach - by bigmasterdrago - 2021-08-22, 09:36 PM
RE: 2010 CA261 Close approach - by PMSchu - 2021-09-01, 04:51 PM
RE: 2010 CA261 Close approach - by theskyhound - 2021-09-01, 06:25 PM
RE: 2010 CA261 Close approach - by PMSchu - 2021-09-01, 06:50 PM
RE: 2010 CA261 Close approach - by theskyhound - 2021-09-01, 07:13 PM
RE: 2010 CA261 Close approach - by PMSchu - 2021-09-01, 07:16 PM
RE: 2010 CA261 Close approach - by bigmasterdrago - 2022-06-07, 08:43 PM
RE: 2010 CA261 Close approach - by PMSchu - 2022-06-07, 10:21 PM

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