🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.44 AU - 0.58 AU

Year: 133 Days

Day: 40.3 Hours

Environment

Temp: 226 °C

Axial Tilt: 24.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.49 AU - 0.65 AU

Year: 157 Days

Day: 14.8 Hours

Environment

Temp: 216 °C

Axial Tilt: 5.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,752,529 km

• M1: 94,396 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.93 AU - 1.05 AU

Year: 360 Days

Day: 37.2 Hours

Environment

Temp: 21 °C

Axial Tilt: 37.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 55,752,529 km

• M1: 301,739 km (0.096 R)
• M2: 524,490 km (0.107 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.4 AU - 1.4 AU

Year: 605 Days

Day: 27.7 Hours

Environment

Temp: -37 °C

Axial Tilt: 49.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,752,529 km

• M1: 31,864 km (0.069 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.35 AU - 3.23 AU

Year: 1702 Days

Day: 23.1 Hours

Environment

Temp: -99 °C

Axial Tilt: 69.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.7 AU - 2.9 AU

Year: 1711 Days

Day: 39.7 Hours

Environment

Temp: -94 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,752,529 km

• M1: 36,651 km (0.083 R)

Asteroid Belt

Center: 4.2 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.3

Radius: 10.8

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.25 AU - 6.95 AU

Year: 4840 Days

Day: 14.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,752,529 km

• M1: 135,087 km (0.118 R)
• M2: 551,567 km (0.115 R)
• M3: 1,013,526 km (0.075 R)
• M4: 1,414,298 km (0.105 R)
• M5: 1,770,491 km (0.114 R)
• M6: 2,478,687 km (0.12 R)
• M7: 2,870,783 km (0.117 R)
• M8: 4,792,966 km (0.093 R)
• M9: 5,348,124 km (0.031 R)
• M10: 5,761,912 km (0.103 R)
• M11: 6,260,970 km (0.05 R)
• M12: 6,856,669 km (0.06 R)
• M13: 7,783,577 km (0.11 R)
• M14: 8,751,475 km (0.095 R)
• M15: 9,754,529 km (0.104 R)
• M16: 10,647,479 km (0.115 R)
• M17: 11,496,896 km (0.064 R)
• M18: 12,087,957 km (0.079 R)
• M19: 13,983,212 km (0.099 R)
• M20: 15,647,937 km (0.102 R)
• M21: 16,008,169 km (0.114 R)
• M22: 18,155,796 km (0.081 R)
• M23: 27,269,298 km (0.105 R)
• M24: 28,677,014 km (0.084 R)
• M25: 31,732,700 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.9

Radius: 12.9

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 6.17 AU - 8.77 AU

Year: 7457 Days

Day: 9.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,752,529 km

• M1: 162,014 km (0.113 R)
• M2: 660,475 km (0.104 R)
• M3: 2,219,733 km (0.078 R)
• M4: 3,360,267 km (0.11 R)
• M5: 4,570,664 km (0.119 R)
• M6: 5,134,648 km (0.082 R)
• M7: 6,432,409 km (0.118 R)
• M8: 6,952,262 km (0.101 R)
• M9: 10,768,504 km (0.101 R)
• M10: 11,591,890 km (0.071 R)
• M11: 15,689,675 km (0.083 R)
• M12: 17,913,148 km (0.089 R)
• M13: 20,469,327 km (0.113 R)
• M14: 22,418,288 km (0.066 R)
• M15: 23,259,926 km (0.112 R)
• M16: 24,857,332 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.4

Radius: 12.4

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 9.91 AU - 11.29 AU

Year: 12605 Days

Day: 6.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,752,529 km

• M1: 159,322 km (0.114 R)
• M2: 560,094 km (0.077 R)
• M3: 1,165,667 km (0.116 R)
• M4: 4,070,857 km (0.12 R)
• M5: 4,826,027 km (0.115 R)
• M6: 6,075,170 km (0.119 R)
• M7: 8,431,486 km (0.087 R)
• M8: 10,396,603 km (0.052 R)
• M9: 11,002,175 km (0.105 R)
• M10: 13,276,961 km (0.065 R)
• M11: 15,422,942 km (0.104 R)
• M12: 18,181,527 km (0.115 R)
• M13: 20,137,669 km (0.092 R)
• M14: 34,661,378 km (0.099 R)
• M15: 40,281,471 km (0.093 R)
• M16: 41,364,709 km (0.077 R)
• M17: 42,467,245 km (0.109 R)
• M18: 50,740,456 km (0.113 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 12,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit