Sidereus (JPN) Horse
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About
Sidereus, a 2yo bay foaled in Japan and prepared by trainer Happy Katsunori, is by Satono Genesis out of Almuten. The horse has yet to break its maiden, having failed to win in five starts. In its latest outing at Kochi on 8 February 2026, jockey Masayoshi Yamasaki guided Sidereus to a fourth-place finish, trailing winner Kanaderu Laken.
Race Record
| Event Summary | Runner Stats | Rank |
|---|---|---|
| Kochi 08-Feb-26 1300m R1 Race 1 (cond) $90,000 (of $1,140,000) Barrier 9, Winning Time: 01:27.600, SP: 11.00 1st Kanaderu Laken ( E Inoue 121 ) 2nd Meijo Energy ( N Kimura 121 ) 0.75L 3rd Hakuno Seven ( T Nagamori 126 ) 1.50L 4th Sidereus ( M Yamasaki 126 ) 2.50L See full results | M Yamasaki 57.2kg 2.50L | 4 (9) |
| Kochi 25-Jan-26 1400m GOOD R1 Race 1 (cond) (of $1,140,000) Barrier 3, Winning Time: 01:35.800, SP: 7.50 1st Ville Avancer ( S Tatara 126 ) 2nd Rangiroa ( M Miyagawa 126 ) 0.20L 3rd Techno Libertarian ( S Kato 126 ) 0.15L 6th Sidereus ( M Yamasaki 126 ) 6.35L See full results | M Yamasaki 57.2kg 6.35L | 6 (8) |
| Kochi 12-Jan-26 1300m GOOD R1 Race 1 (cond) $60,000 (of $1,140,000) Barrier 5, Winning Time: 01:27.000, SP: 4.33 1st Cosmo Lapa Uila ( K Shogetsu 121 ) 2nd Ville Avancer ( S Tatara 126 ) 9.00L 3rd Chura Rival ( S Kato 126 ) 0.00L 5th Sidereus ( M Yamasaki 126 ) 13.20L See full results | M Yamasaki 57.2kg 13.20L | 5 (8) |
| Tokyo 24-Nov-25 1600m GOOD R4 Md (of $10,600,000) Barrier 14, Winning Time: 01:37.100, SP: 101.00 1st Mac Lir ( C P Lemaire 123 ) 2nd Finger ( K Tosaki 123 ) 3.00L 3rd Admire Ultra ( T Marquand 123 ) 7.00L 13th Sidereus ( S Ishibashi 123 ) 34.85L See full results | S Ishibashi 55.8kg 34.85L | 13 (14) |
| Niigata 24-Aug-25 2000m GOOD R5 Newcomer Race (newc) (of $14,250,000) Barrier 4, Winning Time: 02:03.900, SP: 34.00 1st Cosmo Elvar ( Y Hara 121 ) 2nd Cantina ( T Ono 121 ) 0.50L 3rd Fighter Jet ( A Sugawara 121 ) 1.00L 8th Sidereus ( S Ishibashi 121 ) 6.90L See full results | S Ishibashi 54.9kg 6.90L | 8 (14) |