🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.56 AU - 0.78 AU

Year: 243 Days

Day: 34.1 Hours

Environment

Temp: -10 °C

Axial Tilt: 36 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.77 AU - 1.03 AU

Year: 378 Days

Day: 38 Hours

Environment

Temp: -64 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,938,482 km

• M1: 675,584 km (0.031 R)

Asteroid Belt

Center: 1.22 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.44 AU - 1.62 AU

Year: 838 Days

Day: 46.2 Hours

Environment

Temp: -105 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.05 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.8

Radius: 11.6

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.38 AU - 2.74 AU

Year: 1814 Days

Day: 13.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,938,482 km

• M1: 144,362 km (0.105 R)
• M2: 508,932 km (0.066 R)
• M3: 964,457 km (0.087 R)
• M4: 1,395,299 km (0.048 R)
• M5: 1,903,633 km (0.12 R)
• M6: 2,266,109 km (0.076 R)
• M7: 2,768,458 km (0.12 R)
• M8: 3,406,194 km (0.07 R)
• M9: 4,211,479 km (0.106 R)
• M10: 4,855,498 km (0.118 R)
• M11: 5,370,264 km (0.066 R)
• M12: 6,460,833 km (0.095 R)
• M13: 7,345,106 km (0.096 R)
• M14: 8,052,853 km (0.103 R)
• M15: 8,452,579 km (0.113 R)
• M16: 9,416,139 km (0.083 R)
• M17: 10,119,997 km (0.116 R)
• M18: 10,755,788 km (0.109 R)
• M19: 11,886,897 km (0.075 R)
• M20: 12,671,089 km (0.058 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.3

Radius: 6.6

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.89 AU - 11.05 AU

Year: 13944 Days

Day: 19.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,938,482 km

• M1: 82,129 km (0.114 R)
• M2: 301,141 km (0.089 R)
• M3: 1,138,589 km (0.106 R)
• M4: 1,973,794 km (0.072 R)
• M5: 2,625,143 km (0.086 R)
• M6: 3,162,499 km (0.096 R)
• M7: 11,927,139 km (0.081 R)
• M8: 13,213,082 km (0.115 R)
• M9: 15,795,590 km (0.098 R)
• M10: 17,833,861 km (0.103 R)
• M11: 18,189,904 km (0.116 R)
• M12: 19,585,952 km (0.054 R)
• M13: 22,672,754 km (0.093 R)
• M14: 22,922,732 km (0.059 R)
• M15: 24,901,613 km (0.106 R)
• M16: 25,796,507 km (0.089 R)
• M17: 37,677,720 km (0.09 R)
• M18: 38,381,877 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.1

Radius: 4.7

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 12.53 AU - 16.07 AU

Year: 23952 Days

Day: 22.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,938,482 km

• M1: 68,516 km (0.064 R)
• M2: 252,222 km (0.09 R)
• M3: 411,693 km (0.075 R)
• M4: 1,004,251 km (0.073 R)
• M5: 2,165,280 km (0.113 R)
• M6: 3,420,406 km (0.065 R)
• M7: 4,244,241 km (0.085 R)
• M8: 5,127,617 km (0.043 R)
• M9: 6,349,382 km (0.101 R)
• M10: 7,925,695 km (0.07 R)
• M11: 15,577,477 km (0.051 R)
• M12: 19,649,381 km (0.065 R)
• M13: 23,377,210 km (0.107 R)
• M14: 26,463,863 km (0.044 R)
• M15: 27,052,830 km (0.088 R)
• M16: 31,095,713 km (0.083 R)
• M17: 41,002,532 km (0.108 R)
• M18: 47,161,926 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251.1

Radius: 3.9

Gravity: 16.51 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 14.78 AU - 16.86 AU

Year: 27871 Days

Day: 17.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,938,482 km

• M1: 165,754 km (0.084 R)
• M2: 364,720 km (0.044 R)
• M3: 544,237 km (0.114 R)
• M4: 1,083,986 km (0.112 R)
• M5: 1,214,436 km (0.067 R)
• M6: 1,974,692 km (0.072 R)
• M7: 3,431,925 km (0.114 R)
• M8: 3,862,617 km (0.106 R)
• M9: 5,408,711 km (0.055 R)
• M10: 6,570,787 km (0.065 R)
• M11: 7,187,430 km (0.112 R)
• M12: 12,163,653 km (0.113 R)
• M13: 13,022,495 km (0.079 R)
• M14: 16,307,065 km (0.066 R)
• M15: 17,105,170 km (0.095 R)
• M16: 18,779,021 km (0.083 R)
• M17: 21,207,443 km (0.113 R)
• M18: 23,635,416 km (0.12 R)
• M19: 27,005,258 km (0.118 R)
• M20: 28,804,322 km (0.058 R)
• M21: 31,895,463 km (0.095 R)
• M22: 37,480,849 km (0.084 R)
• M23: 41,741,396 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 14,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit