(27738) 1990 TT4
minor planet
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Summary
(27738) 1990 TT4 is an asteroid[1]. (27738) 1990 TT4 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]
Key Facts
- Discoverer or inventor: Robert H. McNaught[3]
- Site of astronomical discovery: Siding Spring Observatory[4]
- Follows: (27737) 1990 SA8[5]
- Followed by: 27739 Kimihiro[6]
- Minor planet group: asteroid belt[7]
- Parent astronomical body: Sun[8]
- Provisional designation: 1990 TT4[9], 1990 TY15[10], 1998 DR34[11]
- Time of discovery or invention: October 9, 1990[12]
- Orbital eccentricity: 0.24[13], 0.2363488[14], 0.2382381023893856[15]
- Absolute magnitude: 13.2[16], 13.35[17]
- Orbital inclination: 10.87048 degree[18], 10.87740447532121 degree[19]
- Orbital period: 5.56 years[20], 2025.925838508907 day[21]
- Rotation period: 26.4684 hour[22]
- Longitude of ascending node: 163.21314 degree[23], 163.126595300115 degree[24]
- Semi-major axis of an orbit: 3.1381328 astronomical unit[25], 3.133406531574065 astronomical unit[26]
- Apoapsis: 3.880 astronomical unit[27], 3.879903357670776 astronomical unit[28]
- Periapsis: 2.3964387 astronomical unit[29], 2.386909705477353 astronomical unit[30]
- Argument of periapsis: 234.76213 degree[31], 234.3296470136051 degree[32]
- Mean anomaly: 36.85223 degree[33], 103.350209044163 degree[34]
- Diameter: 14.529 km[35]
- Albedo: 0.048[36]
- Epoch: November 21, 2025[37]
- Time of periapsis: 2460418.8892807835 Julian day[38]
Why It Matters
(27738) 1990 TT4 is known by 5 alternative names across languages and contexts.[39]