(4538) Vishyanand Main-belt Asteroid
Discovered on 10 October 1988 by K. Suzuki at Toyota.
Viswanathan (Vishy) Anand (b. 1969) was India's first chess grandmaster. He went on to become the fifteenth undisputed world chess champion. In addition to his passion for chess, he is also an avid astrophotography enthusiast.Naming citation (MPC batch dated 2014-10-08), IAU / Minor Planet Center, via NASA/JPL
Where Vishyanand is today
Seen from above the solar system on 2026-10-14: Vishyanand is 2.11 au from the Sun and 1.48 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4538 |
| Provisional designation | 1988 TP |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.16 km (#7,449 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.165 |
| Rotation period | 116 hours |
| Absolute magnitude (H) | 13.11 |
| Orbital period | 3.77 years |
| Semi-major axis | 2.42 au |
| Perihelion – aphelion | 2.05 – 2.80 au |
| Eccentricity | 0.153 |
| Inclination | 3.96° |
| Closest distance between its orbit and Earth's (MOID) | 1.06 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.