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Discovery[1] and designation
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| Discovered by | R. Rajamohan |
| Discovery site | Vainu Bappu Observatory |
| Discovery date | February 17, 1988 |
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Designations
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| Named after | Srinivasa Ramanujan |
| Alternate name(s) | 1978 GU1, 1979 OF, 1983 HU1, 1985 PU1, 1988 DQ1 |
| Minor planet category |
Main belt |
| Epoch August 22, 2008 (JD 2454700.5) | |
| Aphelion | 476.150 Gm (3.183 AU) |
| Perihelion | 437.708 Gm (2.926 AU) |
| Semi-major axis | 456.929 Gm (3.054 AU) |
| Eccentricity | 0.042 |
| Orbital period | 1949.772 d (5.34 a) |
| Average orbital speed | 17.03 km/s |
| Mean anomaly | 231.485° |
| Inclination | 9.782° |
| Longitude of ascending node | 175.466° |
| Dimensions | ? km |
| Mass | ?×10? kg |
| Mean density | ? g/cm³ |
| Equatorial surface gravity | ? m/s² |
| Equatorial escape velocity | ? km/s |
| Sidereal rotation period |
? d |
| Axial tilt | ?° |
| Pole ecliptic latitude | ? |
| Pole ecliptic longitude | ? |
| Geometric albedo | 0.10? |
| Temperature | ~159 K |
| Spectral type | ? |
| Absolute magnitude (H) | 12.6 |
4130 Ramanujan is a main-belt asteroid discovered on February 17, 1988 by R. Rajamohan at the Vainu Bappu Observatory near Kavalur, India.
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