🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.81 AU - 1.17 AU

Year: 379 Days

Day: 35.3 Hours

Environment

Temp: -7 °C

Axial Tilt: 32.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2 AU - 2.7 AU

Year: 1387 Days

Day: 32.7 Hours

Environment

Temp: -104 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,843,072 km

• M1: 73,153 km (0.114 R)

Asteroid Belt

Center: 3.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.8

Radius: 14.8

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.23 AU - 4.77 AU

Year: 3675 Days

Day: 7.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,843,072 km

• M1: 184,005 km (0.097 R)
• M2: 850,613 km (0.092 R)
• M3: 1,323,941 km (0.094 R)
• M4: 2,187,869 km (0.1 R)
• M5: 3,028,160 km (0.097 R)
• M6: 3,626,103 km (0.115 R)
• M7: 4,442,907 km (0.113 R)
• M8: 6,323,053 km (0.095 R)
• M9: 6,818,970 km (0.078 R)
• M10: 7,854,337 km (0.115 R)
• M11: 8,650,946 km (0.064 R)
• M12: 11,458,000 km (0.109 R)
• M13: 12,245,334 km (0.063 R)
• M14: 13,569,724 km (0.113 R)
• M15: 15,371,181 km (0.113 R)
• M16: 17,088,864 km (0.03 R)
• M17: 20,700,306 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.2

Radius: 14

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.88 AU - 7.54 AU

Year: 6692 Days

Day: 14.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,843,072 km

• M1: 175,179 km (0.108 R)
• M2: 762,949 km (0.069 R)
• M3: 1,369,419 km (0.085 R)
• M4: 2,098,260 km (0.062 R)
• M5: 2,874,224 km (0.074 R)
• M6: 3,352,039 km (0.067 R)
• M7: 5,029,181 km (0.104 R)
• M8: 5,540,357 km (0.082 R)
• M9: 6,458,439 km (0.091 R)
• M10: 9,067,426 km (0.038 R)
• M11: 12,692,631 km (0.035 R)
• M12: 13,876,100 km (0.105 R)
• M13: 18,850,379 km (0.049 R)
• M14: 20,015,896 km (0.09 R)
• M15: 22,329,726 km (0.089 R)
• M16: 26,845,039 km (0.076 R)
• M17: 28,696,612 km (0.106 R)
• M18: 31,329,384 km (0.11 R)
• M19: 33,067,413 km (0.064 R)
• M20: 35,520,070 km (0.104 R)
• M21: 37,183,598 km (0.059 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.2

Radius: 6

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 10.27 AU - 16.73 AU

Year: 19097 Days

Day: 19.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,843,072 km

• M1: 74,799 km (0.115 R)
• M2: 271,371 km (0.107 R)
• M3: 1,867,879 km (0.104 R)
• M4: 2,703,383 km (0.102 R)
• M5: 3,940,258 km (0.084 R)
• M6: 8,278,447 km (0.064 R)
• M7: 11,167,631 km (0.113 R)
• M8: 13,293,566 km (0.118 R)
• M9: 26,643,979 km (0.072 R)
• M10: 32,028,007 km (0.065 R)
• M11: 32,866,951 km (0.105 R)
• M12: 36,369,786 km (0.049 R)
• M13: 38,563,190 km (0.111 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 13,483 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit