🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.11 AU - 1.11 AU

Year: 411 Days

Day: 38.9 Hours

Environment

Temp: 24 °C

Axial Tilt: 20 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.23 AU - 1.97 AU

Year: 711 Days

Day: 34.8 Hours

Environment

Temp: -23 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.09 AU - 4.43 AU

Year: 2562 Days

Day: 37.9 Hours

Environment

Temp: -104 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,945,904 km

• M1: 765,792 km (0.108 R)

Asteroid Belt

Center: 7.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 11.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.5

Radius: 9.7

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 10.43 AU - 12.57 AU

Year: 13706 Days

Day: 14 Hours

Environment

Temp: -173 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,945,904 km

• M1: 120,725 km (0.109 R)
• M2: 429,047 km (0.095 R)
• M3: 1,058,854 km (0.106 R)
• M4: 1,444,218 km (0.109 R)
• M5: 2,228,709 km (0.089 R)
• M6: 2,849,391 km (0.1 R)
• M7: 3,963,296 km (0.046 R)
• M8: 4,810,020 km (0.099 R)
• M9: 7,893,831 km (0.08 R)
• M10: 8,496,261 km (0.068 R)
• M11: 14,813,780 km (0.096 R)
• M12: 17,754,275 km (0.096 R)
• M13: 19,527,160 km (0.061 R)
• M14: 23,234,195 km (0.088 R)
• M15: 32,122,104 km (0.095 R)
• M16: 32,941,601 km (0.112 R)
• M17: 38,809,128 km (0.028 R)
• M18: 39,338,555 km (0.118 R)
• M19: 39,738,730 km (0.059 R)
• M20: 41,642,213 km (0.081 R)
• M21: 44,755,045 km (0.042 R)
• M22: 48,783,267 km (0.037 R)
• M23: 49,245,225 km (0.028 R)
• M24: 55,352,409 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415

Radius: 6.5

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 13.02 AU - 17.4 AU

Year: 20848 Days

Day: 21.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,945,904 km

• M1: 125,961 km (0.113 R)
• M2: 388,805 km (0.103 R)
• M3: 1,693,149 km (0.061 R)
• M4: 3,882,962 km (0.048 R)
• M5: 9,216,575 km (0.092 R)
• M6: 12,518,350 km (0.097 R)
• M7: 13,866,675 km (0.054 R)
• M8: 15,609,191 km (0.086 R)
• M9: 18,573,623 km (0.104 R)
• M10: 21,704,407 km (0.08 R)
• M11: 31,453,700 km (0.093 R)
• M12: 40,395,015 km (0.1 R)
• M13: 48,275,382 km (0.073 R)
• M14: 55,871,962 km (0.094 R)
• M15: 62,494,062 km (0.095 R)
• M16: 64,617,304 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.1

Radius: 4.1

Gravity: 21.9 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 16.04 AU - 17.84 AU

Year: 24505 Days

Day: 16.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,945,904 km

• M1: 51,013 km (0.105 R)
• M2: 608,714 km (0.117 R)
• M3: 1,130,661 km (0.087 R)
• M4: 1,280,707 km (0.062 R)
• M5: 1,491,042 km (0.04 R)
• M6: 1,621,491 km (0.025 R)
• M7: 2,305,752 km (0.118 R)
• M8: 3,753,710 km (0.043 R)
• M9: 4,787,880 km (0.036 R)
• M10: 5,220,367 km (0.083 R)
• M11: 8,845,572 km (0.11 R)
• M12: 10,469,607 km (0.118 R)
• M13: 12,282,434 km (0.058 R)
• M14: 17,083,628 km (0.081 R)
• M15: 23,404,138 km (0.082 R)
• M16: 26,801,207 km (0.03 R)
• M17: 37,527,374 km (0.092 R)
• M18: 45,071,146 km (0.062 R)
• M19: 59,404,566 km (0.078 R)
• M20: 60,353,615 km (0.028 R)
• M21: 68,313,568 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.5

Radius: 5.4

Gravity: 25.53 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 13.3 AU - 20.72 AU

Year: 24657 Days

Day: 24.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 89,945,904 km

• M1: 69,114 km (0.063 R)
• M2: 319,092 km (0.072 R)
• M3: 1,063,940 km (0.073 R)
• M4: 1,836,164 km (0.051 R)
• M5: 2,518,181 km (0.026 R)
• M6: 3,067,804 km (0.105 R)
• M7: 3,507,023 km (0.094 R)
• M8: 3,987,082 km (0.106 R)
• M9: 4,330,858 km (0.1 R)
• M10: 5,564,442 km (0.11 R)
• M11: 6,037,770 km (0.091 R)
• M12: 6,869,833 km (0.1 R)
• M13: 7,516,545 km (0.098 R)
• M14: 7,934,073 km (0.075 R)
• M15: 10,320,907 km (0.052 R)
• M16: 12,487,383 km (0.091 R)
• M17: 15,432,217 km (0.088 R)
• M18: 16,887,954 km (0.071 R)
• M19: 20,367,750 km (0.102 R)
• M20: 23,189,316 km (0.094 R)
• M21: 24,636,376 km (0.104 R)
• M22: 25,440,015 km (0.064 R)
• M23: 26,260,859 km (0.052 R)
• M24: 26,978,480 km (0.12 R)
• M25: 29,979,862 km (0.113 R)
• M26: 31,027,945 km (0.117 R)
• M27: 32,645,247 km (0.113 R)
• M28: 33,894,539 km (0.076 R)
• M29: 35,754,938 km (0.102 R)
• M30: 37,231,469 km (0.111 R)
• M31: 49,261,681 km (0.085 R)
• M32: 54,488,332 km (0.065 R)
• M33: 60,072,671 km (0.074 R)
• M34: 62,790,265 km (0.119 R)
• M35: 88,337,842 km (0.082 R)
• M36: 89,676,593 km (0.086 R)

Kuiper Belt

Range: 31.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 20,235 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit