37840 Gramegna
asteroid in the main belt
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Key Facts
- Discoverer or inventor: San Vittore Observatory[1]
- Site of astronomical discovery: San Vittore Observatory[2]
- Follows: (37839) 1998 DX1[3]
- Followed by: (37841) 1998 DQ4[4]
- Minor planet group: asteroid belt[5]
- Parent astronomical body: Sun[6]
- Provisional designation: 1998 DA3[7]
- Time of discovery or invention: February 20, 1998[8]
- Significant event: naming[9]
- Orbital eccentricity: 0.15[10], 0.1504192[11], 0.1492137174666306[12]
- Absolute magnitude: 15.4[13], 15.57[14]
- Orbital inclination: 5.35234 degree[15], 5.350268063836341 degree[16]
- Orbital period: 3.68 years[17], 1345.428944074558 day[18]
- Longitude of ascending node: 129.76741 degree[19], 129.7172166591265 degree[20]
- Semi-major axis of an orbit: 2.3839300 astronomical unit[21], 2.385108973404277 astronomical unit[22]
- Apoapsis: 2.743 astronomical unit[23], 2.740999949888948 astronomical unit[24]
- Periapsis: 2.0253411 astronomical unit[25], 2.029217996919606 astronomical unit[26]
- Argument of periapsis: 307.54573 degree[27], 307.30141308078 degree[28]
- Mean anomaly: 220.96878 degree[29], 250.6715033568268 degree[30]
- Epoch: November 21, 2025[31]
- Time of periapsis: 2461409.0936772106 Julian day[32]