🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.8 AU - 1.04 AU

Year: 331 Days

Day: 42.8 Hours

Environment

Temp: 20 °C

Axial Tilt: 3.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 2.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.5 AU - 4.34 AU

Year: 2908 Days

Day: 23.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.2

Radius: 12.4

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.68 AU - 5.14 AU

Year: 3470 Days

Day: 7.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,193,132 km

• M1: 154,235 km (0.052 R)
• M2: 667,805 km (0.108 R)
• M3: 1,097,001 km (0.071 R)
• M4: 1,601,744 km (0.088 R)
• M5: 2,326,247 km (0.108 R)
• M6: 3,029,207 km (0.088 R)
• M7: 3,945,943 km (0.11 R)
• M8: 4,971,287 km (0.051 R)
• M9: 6,010,693 km (0.035 R)
• M10: 6,874,321 km (0.11 R)
• M11: 8,194,822 km (0.103 R)
• M12: 9,119,187 km (0.087 R)
• M13: 9,965,761 km (0.086 R)
• M14: 12,103,216 km (0.099 R)
• M15: 13,748,194 km (0.043 R)
• M16: 14,297,368 km (0.035 R)
• M17: 14,766,207 km (0.047 R)
• M18: 16,133,682 km (0.117 R)
• M19: 18,176,889 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.1

Radius: 10.4

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 9.67 AU - 11.09 AU

Year: 12532 Days

Day: 5.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,193,132 km

• M1: 153,039 km (0.111 R)
• M2: 1,194,090 km (0.068 R)
• M3: 2,832,785 km (0.113 R)
• M4: 3,311,349 km (0.055 R)
• M5: 4,875,095 km (0.095 R)
• M6: 5,533,625 km (0.075 R)
• M7: 8,860,831 km (0.119 R)
• M8: 11,243,327 km (0.058 R)
• M9: 14,739,280 km (0.105 R)
• M10: 21,600,287 km (0.114 R)
• M11: 24,376,225 km (0.075 R)
• M12: 35,629,874 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.4

Radius: 10.2

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 9.9 AU - 12.52 AU

Year: 14065 Days

Day: 6.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,193,132 km

• M1: 128,355 km (0.119 R)
• M2: 872,455 km (0.114 R)
• M3: 1,273,078 km (0.053 R)
• M4: 3,051,348 km (0.106 R)
• M5: 3,586,908 km (0.076 R)
• M6: 4,998,962 km (0.026 R)
• M7: 5,951,302 km (0.101 R)
• M8: 8,430,738 km (0.074 R)
• M9: 8,925,308 km (0.063 R)
• M10: 10,628,630 km (0.063 R)
• M11: 12,083,319 km (0.102 R)
• M12: 12,423,804 km (0.117 R)
• M13: 14,667,473 km (0.093 R)
• M14: 17,599,292 km (0.092 R)
• M15: 24,323,716 km (0.086 R)
• M16: 33,467,138 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.3

Radius: 4.1

Gravity: 12.87 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 15.21 AU - 16.21 AU

Year: 23334 Days

Day: 23.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 114.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,193,132 km

• M1: 51,162 km (0.054 R)
• M2: 408,402 km (0.072 R)
• M3: 926,011 km (0.094 R)
• M4: 1,464,713 km (0.084 R)
• M5: 1,631,215 km (0.114 R)
• M6: 1,844,243 km (0.067 R)
• M7: 2,169,468 km (0.11 R)
• M8: 2,617,664 km (0.077 R)
• M9: 3,428,185 km (0.078 R)
• M10: 3,976,311 km (0.09 R)
• M11: 5,490,840 km (0.112 R)
• M12: 7,527,914 km (0.038 R)
• M13: 10,675,902 km (0.108 R)
• M14: 12,692,781 km (0.094 R)
• M15: 18,090,571 km (0.105 R)
• M16: 22,369,519 km (0.107 R)
• M17: 42,576,003 km (0.072 R)
• M18: 43,713,695 km (0.073 R)
• M19: 44,434,906 km (0.106 R)
• M20: 57,079,217 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.5

Radius: 7.3

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 14.29 AU - 20.15 AU

Year: 26778 Days

Day: 19.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,193,132 km

• M1: 93,947 km (0.101 R)
• M2: 350,807 km (0.084 R)
• M3: 1,793,230 km (0.078 R)
• M4: 2,314,279 km (0.074 R)
• M5: 2,867,791 km (0.113 R)
• M6: 7,110,985 km (0.117 R)
• M7: 7,636,223 km (0.099 R)
• M8: 8,274,109 km (0.119 R)
• M9: 13,345,028 km (0.118 R)
• M10: 14,395,803 km (0.117 R)
• M11: 19,307,700 km (0.103 R)
• M12: 19,696,205 km (0.065 R)
• M13: 22,821,006 km (0.042 R)
• M14: 24,410,483 km (0.118 R)
• M15: 37,293,253 km (0.064 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 18,978 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit