🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.36 AU - 1.44 AU

Year: 634 Days

Day: 18.9 Hours

Environment

Temp: -39 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.27 AU - 1.83 AU

Year: 739 Days

Day: 36.8 Hours

Environment

Temp: -54 °C

Axial Tilt: 47.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,179,805 km

• M1: 416,630 km (0.102 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.63 AU - 1.73 AU

Year: 834 Days

Day: 29.2 Hours

Environment

Temp: -71 °C

Axial Tilt: 134.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,179,805 km

• M1: 21,392 km (0.073 R)
• M2: 120,277 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.56 AU - 2.34 AU

Year: 1043 Days

Day: 21.9 Hours

Environment

Temp: -74 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.79 AU - 2.11 AU

Year: 1043 Days

Day: 14.1 Hours

Environment

Temp: -82 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,179,805 km

• M1: 39,344 km (0.032 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.31 AU - 2.47 AU

Year: 1415 Days

Day: 20.7 Hours

Environment

Temp: -93 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501

Radius: 12.9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.97 AU - 7.79 AU

Year: 7676 Days

Day: 14.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,179,805 km

• M1: 165,754 km (0.084 R)
• M2: 846,574 km (0.113 R)
• M3: 1,363,884 km (0.072 R)
• M4: 2,091,827 km (0.06 R)
• M5: 3,273,052 km (0.103 R)
• M6: 3,761,339 km (0.102 R)
• M7: 4,585,624 km (0.066 R)
• M8: 5,466,306 km (0.117 R)
• M9: 6,661,743 km (0.061 R)
• M10: 10,382,840 km (0.075 R)
• M11: 12,208,981 km (0.116 R)
• M12: 13,061,689 km (0.1 R)
• M13: 13,783,349 km (0.038 R)
• M14: 16,298,090 km (0.115 R)
• M15: 16,745,088 km (0.073 R)
• M16: 17,530,626 km (0.088 R)
• M17: 19,601,959 km (0.117 R)
• M18: 25,743,400 km (0.081 R)
• M19: 30,870,568 km (0.061 R)
• M20: 31,753,494 km (0.044 R)
• M21: 32,957,009 km (0.103 R)
• M22: 33,672,835 km (0.107 R)
• M23: 35,668,471 km (0.092 R)
• M24: 36,206,425 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.1

Radius: 8.7

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 9.14 AU - 11.96 AU

Year: 13120 Days

Day: 9.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,179,805 km

• M1: 108,159 km (0.12 R)
• M2: 459,116 km (0.105 R)
• M3: 1,012,927 km (0.089 R)
• M4: 1,698,235 km (0.086 R)
• M5: 3,325,261 km (0.056 R)
• M6: 3,669,785 km (0.113 R)
• M7: 4,092,399 km (0.069 R)
• M8: 5,694,742 km (0.046 R)
• M9: 6,906,485 km (0.116 R)
• M10: 7,677,812 km (0.057 R)
• M11: 8,106,110 km (0.079 R)
• M12: 8,415,329 km (0.083 R)
• M13: 9,247,093 km (0.039 R)
• M14: 9,930,905 km (0.031 R)
• M15: 13,803,396 km (0.116 R)
• M16: 15,024,264 km (0.067 R)
• M17: 16,526,226 km (0.096 R)
• M18: 16,809,714 km (0.092 R)
• M19: 18,351,470 km (0.067 R)
• M20: 22,832,973 km (0.056 R)
• M21: 23,719,490 km (0.119 R)
• M22: 24,720,899 km (0.096 R)
• M23: 31,113,066 km (0.091 R)
• M24: 33,769,176 km (0.113 R)
• M25: 34,456,130 km (0.049 R)
• M26: 35,976,493 km (0.12 R)
• M27: 38,154,638 km (0.047 R)
• M28: 45,214,460 km (0.113 R)
• M29: 46,469,886 km (0.116 R)
• M30: 47,177,334 km (0.028 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 15,455 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit