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+--- Thread: Close Approach of (35107) 1991 VH (/showthread.php?tid=3294)
Close Approach of (35107) 1991 VH - PMSchu - 2025-07-12
CNEOS predicts that the large NEO, (35107) 1991 VH, will make a close approach on 2025-Aug-02 03:26±<00:01 UT at a distance of 0.07814 AU moving with V Relative=8.67 km/sec, H=16.9 magnitude, diameter 0.929±0.035 km and 'Rarity'=2. As of 2025 Jul 12, there is a 12298 day observation arc, the Condition Code=0 and the Earth MOID=0.0255746 AU. The solution date was 2025-Jul-12 06:17:47 PDT. This NEO was discovered at Siding Spring on 1991-11-09 by R. H. McNaught. It is on MPC's list of Potentially Hazardous Asteroids (PHAs). Close approaches in August 2065 and 2088 are predicted at ~0.045 AU. Interestingly, this NEO has a satellite, S/1997 (35107) 1.
Using MPC's elements for 2025 Jul 12 0000 UT, ST4.1.1.15 predicts that this NEO will reach a broad peak in brightness of 15.0 magnitude traveling at ~8"/minute from July 20 through July 30 from Cassiopeia to Perseus, Andromeda and back into Perseus. It's already brighter than 15.5 magnitude in Cepheus.
Here's the Object Info dialog for (35107) 1991 VH:
This large NEO has a well defined orbit and isn't moving very fast, so it should be easy to spot if 15th magnitude stars are within reach of your telescope.
Good hunting,
Phil S.