🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.75 AU - 0.93 AU

Year: 290 Days

Day: 20.1 Hours

Environment

Temp: 121 °C

Axial Tilt: 25.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.79 AU - 1.21 AU

Year: 377 Days

Day: 32.2 Hours

Environment

Temp: 3 °C

Axial Tilt: 29.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.94 AU - 1.2 AU

Year: 417 Days

Day: 34.2 Hours

Environment

Temp: 4 °C

Axial Tilt: 27.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 72,632,169 km

• M1: 50,863 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.27 AU - 1.47 AU

Year: 604 Days

Day: 28.9 Hours

Environment

Temp: -48 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.16 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146

Radius: 11.9

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.24 AU - 5.64 AU

Year: 4136 Days

Day: 6.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,632,169 km

• M1: 148,401 km (0.113 R)
• M2: 985,102 km (0.074 R)
• M3: 1,507,797 km (0.08 R)
• M4: 2,958,148 km (0.069 R)
• M5: 3,617,875 km (0.052 R)
• M6: 4,716,522 km (0.093 R)
• M7: 5,298,607 km (0.066 R)
• M8: 6,844,551 km (0.07 R)
• M9: 7,506,522 km (0.099 R)
• M10: 8,030,563 km (0.117 R)
• M11: 9,087,023 km (0.056 R)
• M12: 10,164,128 km (0.067 R)
• M13: 10,697,445 km (0.108 R)
• M14: 11,858,773 km (0.028 R)
• M15: 13,227,294 km (0.109 R)
• M16: 14,609,130 km (0.093 R)
• M17: 15,566,855 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.5

Radius: 4.9

Gravity: 27.18 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 12.43 AU - 13.33 AU

Year: 17414 Days

Day: 22 Hours

Environment

Temp: -197 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 72,632,169 km

• M1: 62,831 km (0.115 R)
• M2: 439,070 km (0.025 R)
• M3: 787,184 km (0.11 R)
• M4: 1,015,620 km (0.084 R)
• M5: 1,218,624 km (0.07 R)
• M6: 1,606,831 km (0.087 R)
• M7: 1,884,036 km (0.112 R)
• M8: 2,445,776 km (0.108 R)
• M9: 3,600,372 km (0.1 R)
• M10: 3,953,124 km (0.076 R)
• M11: 4,393,390 km (0.105 R)
• M12: 5,114,003 km (0.102 R)
• M13: 5,296,662 km (0.094 R)
• M14: 5,870,819 km (0.044 R)
• M15: 7,324,461 km (0.054 R)
• M16: 8,484,593 km (0.116 R)
• M17: 9,215,079 km (0.038 R)
• M18: 9,817,959 km (0.11 R)
• M19: 11,783,824 km (0.085 R)
• M20: 12,493,367 km (0.114 R)
• M21: 13,645,570 km (0.047 R)
• M22: 14,283,305 km (0.04 R)
• M23: 14,719,383 km (0.032 R)
• M24: 16,712,326 km (0.085 R)
• M25: 18,108,373 km (0.086 R)
• M26: 20,758,350 km (0.114 R)
• M27: 27,031,886 km (0.088 R)
• M28: 27,475,295 km (0.088 R)
• M29: 27,698,794 km (0.057 R)
• M30: 33,053,650 km (0.057 R)
• M31: 34,850,470 km (0.038 R)
• M32: 36,039,473 km (0.064 R)
• M33: 37,391,838 km (0.111 R)
• M34: 38,497,965 km (0.065 R)
• M35: 41,211,820 km (0.093 R)
• M36: 42,540,698 km (0.089 R)
• M37: 49,450,773 km (0.084 R)
• M38: 59,839,447 km (0.04 R)
• M39: 60,214,938 km (0.046 R)
• M40: 60,403,282 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.9

Radius: 7.5

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 14.24 AU - 14.3 AU

Year: 20308 Days

Day: 18.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,632,169 km

• M1: 93,199 km (0.093 R)
• M2: 1,844,243 km (0.109 R)
• M3: 3,020,531 km (0.069 R)
• M4: 4,429,443 km (0.074 R)
• M5: 7,818,434 km (0.106 R)
• M6: 8,998,462 km (0.065 R)
• M7: 15,143,194 km (0.091 R)
• M8: 16,477,308 km (0.109 R)
• M9: 17,048,921 km (0.116 R)
• M10: 17,888,165 km (0.088 R)
• M11: 27,281,266 km (0.084 R)
• M12: 29,726,742 km (0.103 R)
• M13: 32,441,495 km (0.091 R)
• M14: 35,049,136 km (0.045 R)
• M15: 36,266,713 km (0.107 R)
• M16: 65,685,134 km (0.12 R)
• M17: 69,839,766 km (0.076 R)
• M18: 72,414,794 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 19,551 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit