🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.38 AU - 0.64 AU

Year: 165 Days

Day: 39.3 Hours

Environment

Temp: 31 °C

Axial Tilt: 25.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 31,327,543 km

• M1: 477,516 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.62 AU - 0.96 AU

Year: 318 Days

Day: 20.1 Hours

Environment

Temp: -51 °C

Axial Tilt: 131.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 31,327,543 km

• M1: 178,321 km (0.104 R)
• M2: 363,373 km (0.048 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.29 AU - 1.69 AU

Year: 824 Days

Day: 16.8 Hours

Environment

Temp: -103 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 31,327,543 km

• M1: 159,471 km (0.119 R)
• M2: 231,877 km (0.119 R)

Asteroid Belt

Center: 7.13 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 12.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.4

Radius: 7.7

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 12.07 AU - 13.45 AU

Year: 20650 Days

Day: 21.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 31,327,543 km

• M1: 96,790 km (0.1 R)
• M2: 344,823 km (0.107 R)
• M3: 623,973 km (0.066 R)
• M4: 876,644 km (0.11 R)
• M5: 1,120,937 km (0.098 R)
• M6: 1,503,907 km (0.055 R)
• M7: 1,841,849 km (0.074 R)
• M8: 5,379,091 km (0.093 R)
• M9: 7,416,165 km (0.113 R)
• M10: 7,702,495 km (0.087 R)
• M11: 12,065,667 km (0.119 R)
• M12: 13,282,197 km (0.116 R)
• M13: 14,283,156 km (0.076 R)
• M14: 14,877,359 km (0.103 R)
• M15: 15,487,868 km (0.081 R)
• M16: 17,419,924 km (0.113 R)
• M17: 27,662,741 km (0.092 R)
• M18: 29,528,525 km (0.06 R)
• M19: 30,128,413 km (0.118 R)
• M20: 33,899,177 km (0.092 R)
• M21: 36,033,639 km (0.111 R)
• M22: 37,412,183 km (0.111 R)
• M23: 38,255,915 km (0.107 R)
• M24: 38,968,749 km (0.052 R)
• M25: 40,863,406 km (0.112 R)
• M26: 41,309,358 km (0.116 R)
• M27: 50,068,463 km (0.06 R)
• M28: 51,610,368 km (0.075 R)
• M29: 58,847,614 km (0.108 R)
• M30: 64,900,643 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.5

Radius: 7.5

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 12.33 AU - 16.69 AU

Year: 25040 Days

Day: 18.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,327,543 km

• M1: 94,247 km (0.093 R)
• M2: 2,490,954 km (0.113 R)
• M3: 3,656,621 km (0.068 R)
• M4: 5,490,840 km (0.119 R)
• M5: 6,410,718 km (0.073 R)
• M6: 8,358,183 km (0.067 R)
• M7: 18,738,480 km (0.119 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 14,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit