🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.51 AU - 0.53 AU

Year: 112 Days

Day: 23.2 Hours

Environment

Temp: 329 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.9 AU - 1.06 AU

Year: 289 Days

Day: 21.9 Hours

Environment

Temp: 218 °C

Axial Tilt: 128.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.71 AU - 7.29 AU

Year: 4942 Days

Day: 31.3 Hours

Environment

Temp: -100 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,914,462 km

• M1: 1,180,178 km (0.061 R)

Asteroid Belt

Center: 9.36 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 12.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.9

Radius: 14.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 10.61 AU - 13.81 AU

Year: 12724 Days

Day: 14.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,914,462 km

• M1: 176,077 km (0.095 R)
• M2: 854,653 km (0.064 R)
• M3: 1,311,525 km (0.089 R)
• M4: 2,433,060 km (0.07 R)
• M5: 3,178,356 km (0.067 R)
• M6: 4,274,460 km (0.104 R)
• M7: 5,394,649 km (0.075 R)
• M8: 7,698,157 km (0.118 R)
• M9: 8,539,196 km (0.03 R)
• M10: 9,220,465 km (0.047 R)
• M11: 12,103,814 km (0.069 R)
• M12: 18,515,728 km (0.075 R)
• M13: 19,224,673 km (0.118 R)
• M14: 20,321,973 km (0.093 R)
• M15: 24,031,701 km (0.086 R)
• M16: 27,526,158 km (0.101 R)
• M17: 31,048,140 km (0.067 R)
• M18: 34,753,231 km (0.025 R)
• M19: 37,045,669 km (0.061 R)

Planet 5 - Ice Giant

Semi-Major Axis: 21.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795.4

Radius: 3.6

Gravity: 61.37 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 18.41 AU - 24.85 AU

Year: 30001 Days

Day: 24.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 91,914,462 km

• M1: 44,730 km (0.082 R)
• M2: 180,415 km (0.103 R)
• M3: 490,083 km (0.119 R)
• M4: 718,818 km (0.059 R)
• M5: 934,089 km (0.102 R)
• M6: 1,286,392 km (0.073 R)
• M7: 1,885,980 km (0.074 R)
• M8: 2,129,675 km (0.038 R)
• M9: 2,247,110 km (0.082 R)
• M10: 3,165,491 km (0.1 R)
• M11: 8,907,356 km (0.114 R)
• M12: 12,218,556 km (0.091 R)
• M13: 15,376,716 km (0.094 R)
• M14: 15,551,895 km (0.092 R)
• M15: 16,175,719 km (0.089 R)
• M16: 26,488,098 km (0.088 R)
• M17: 36,283,916 km (0.118 R)
• M18: 46,392,693 km (0.047 R)
• M19: 54,894,041 km (0.085 R)
• M20: 70,703,245 km (0.073 R)
• M21: 86,220,434 km (0.08 R)
• M22: 86,496,591 km (0.062 R)
• M23: 86,773,347 km (0.114 R)
• M24: 88,727,544 km (0.083 R)
• M25: 98,939,394 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 21.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56

Radius: 6.5

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 19.14 AU - 24.46 AU

Year: 30355 Days

Day: 16.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,914,462 km

• M1: 81,082 km (0.079 R)
• M2: 347,665 km (0.049 R)
• M3: 1,142,479 km (0.039 R)
• M4: 1,602,941 km (0.089 R)
• M5: 3,125,249 km (0.053 R)
• M6: 3,422,650 km (0.054 R)
• M7: 3,664,101 km (0.089 R)
• M8: 6,131,418 km (0.095 R)
• M9: 8,016,052 km (0.059 R)
• M10: 8,707,045 km (0.08 R)
• M11: 11,871,189 km (0.111 R)
• M12: 16,465,041 km (0.108 R)
• M13: 21,789,528 km (0.049 R)
• M14: 22,790,039 km (0.113 R)
• M15: 26,253,080 km (0.115 R)
• M16: 39,934,703 km (0.075 R)
• M17: 41,430,681 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 23.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440

Radius: 3.8

Gravity: 30.47 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 20.04 AU - 26.18 AU

Year: 33132 Days

Day: 16.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 91,914,462 km

• M1: 452,534 km (0.111 R)
• M2: 827,127 km (0.092 R)
• M3: 1,835,416 km (0.081 R)
• M4: 2,173,956 km (0.049 R)
• M5: 2,502,922 km (0.077 R)
• M6: 4,333,402 km (0.084 R)
• M7: 5,371,910 km (0.093 R)
• M8: 13,724,109 km (0.073 R)
• M9: 15,583,161 km (0.109 R)
• M10: 16,094,337 km (0.095 R)
• M11: 16,616,583 km (0.099 R)
• M12: 17,421,121 km (0.119 R)
• M13: 21,002,045 km (0.106 R)
• M14: 21,730,587 km (0.12 R)
• M15: 23,680,894 km (0.098 R)
• M16: 27,308,044 km (0.089 R)
• M17: 29,834,603 km (0.11 R)
• M18: 34,623,081 km (0.113 R)
• M19: 40,215,797 km (0.111 R)
• M20: 44,827,301 km (0.059 R)
• M21: 51,632,059 km (0.09 R)
• M22: 53,338,822 km (0.11 R)
• M23: 53,723,139 km (0.074 R)
• M24: 58,073,295 km (0.088 R)

Kuiper Belt

Range: 36.8 - 56.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 14,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit