🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.94 AU - 1 AU

Year: 352 Days

Day: 39.8 Hours

Environment

Temp: 19 °C

Axial Tilt: 28.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 77,808,231 km

• M1: 190,438 km (0.102 R)
• M2: 315,801 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.96 AU - 1.02 AU

Year: 363 Days

Day: 20 Hours

Environment

Temp: 32 °C

Axial Tilt: 1.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.95 AU - 1.47 AU

Year: 491 Days

Day: 32.3 Hours

Environment

Temp: 2 °C

Axial Tilt: 26.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.8

Radius: 12.7

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.99 AU - 6.31 AU

Year: 4312 Days

Day: 9.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,808,231 km

• M1: 157,975 km (0.079 R)
• M2: 600,486 km (0.038 R)
• M3: 1,282,951 km (0.05 R)
• M4: 1,818,661 km (0.091 R)
• M5: 2,584,752 km (0.082 R)
• M6: 5,220,816 km (0.083 R)
• M7: 5,935,146 km (0.074 R)
• M8: 14,648,025 km (0.045 R)
• M9: 17,219,613 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.5

Radius: 13.3

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.2 AU - 8.08 AU

Year: 7791 Days

Day: 13.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,808,231 km

• M1: 172,636 km (0.067 R)
• M2: 855,251 km (0.098 R)
• M3: 1,958,835 km (0.105 R)
• M4: 2,671,220 km (0.041 R)
• M5: 3,652,731 km (0.116 R)
• M6: 5,463,913 km (0.1 R)
• M7: 7,041,273 km (0.114 R)
• M8: 8,456,319 km (0.095 R)
• M9: 10,556,523 km (0.1 R)
• M10: 12,074,942 km (0.101 R)
• M11: 13,990,842 km (0.108 R)
• M12: 18,729,803 km (0.112 R)
• M13: 19,948,577 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.1

Radius: 3

Gravity: 68.23 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 15.02 AU - 15.36 AU

Year: 21843 Days

Day: 17.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 77,808,231 km

• M1: 39,793 km (0.077 R)
• M2: 138,079 km (0.073 R)
• M3: 338,241 km (0.079 R)
• M4: 767,886 km (0.113 R)
• M5: 876,793 km (0.098 R)
• M6: 1,602,343 km (0.095 R)
• M7: 2,137,155 km (0.104 R)
• M8: 2,243,818 km (0.07 R)
• M9: 2,445,028 km (0.087 R)
• M10: 2,832,187 km (0.093 R)
• M11: 3,429,232 km (0.091 R)
• M12: 4,510,077 km (0.075 R)
• M13: 5,358,297 km (0.098 R)
• M14: 6,798,625 km (0.046 R)
• M15: 7,077,026 km (0.092 R)
• M16: 8,163,406 km (0.096 R)
• M17: 8,372,095 km (0.095 R)
• M18: 9,243,054 km (0.097 R)
• M19: 10,232,794 km (0.057 R)
• M20: 10,660,045 km (0.098 R)
• M21: 13,047,178 km (0.07 R)
• M22: 13,549,378 km (0.067 R)
• M23: 22,497,874 km (0.114 R)
• M24: 23,532,792 km (0.119 R)
• M25: 24,707,435 km (0.1 R)
• M26: 25,034,306 km (0.068 R)
• M27: 31,936,752 km (0.115 R)
• M28: 33,908,003 km (0.084 R)
• M29: 35,128,871 km (0.037 R)
• M30: 40,155,360 km (0.091 R)
• M31: 40,607,295 km (0.046 R)
• M32: 52,675,505 km (0.104 R)
• M33: 54,863,374 km (0.115 R)
• M34: 55,792,675 km (0.108 R)
• M35: 56,355,163 km (0.071 R)
• M36: 58,643,263 km (0.052 R)
• M37: 59,419,377 km (0.093 R)
• M38: 60,794,331 km (0.041 R)
• M39: 62,592,946 km (0.088 R)
• M40: 63,200,164 km (0.11 R)
• M41: 68,629,220 km (0.048 R)
• M42: 76,878,645 km (0.067 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 13,844 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit