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Discovery
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| Discovered by | P. Wild |
| Discovery date | February 28, 1979 |
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Designations
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| Named after | Heidi |
| Alternate name(s) | 1951 EJ2, 1960 CC;1971 OV,1979 DK |
| Minor planet category |
Main belt |
| Epoch June 14, 2006 (JD 2453900.5) | |
| Aphelion | 455.123 Gm (3.042 AU) |
| Perihelion | 380.865 Gm (2.546 AU) |
| Semi-major axis | 417.994 Gm (2.794 AU) |
| Eccentricity | 0.089 |
| Orbital period | 1705.946 d (4.67 a) |
| Average orbital speed | 17.78 km/s |
| Mean anomaly | 301.922° |
| Inclination | 7.733° |
| Longitude of ascending node | 281.463° |
| Argument of perihelion | 246.688° |
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Physical characteristics
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| Dimensions | ? km |
| Mean density | ? g/cm³ |
| Equatorial surface gravity | ? m/s² |
| Escape velocity | ? km/s |
| Rotation period | ? d |
| Albedo | 0.10? |
| Temperature | ~166 K |
| Spectral type | S |
| Absolute magnitude (H) | 11.7 |
This small asteroid is named after Johanna Spyri's well-known book, Heidi.
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