🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.63 AU - 0.95 AU

Year: 259 Days

Day: 20.2 Hours

Environment

Temp: 95 °C

Axial Tilt: 27.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 74,248,515 km

• M1: 275,110 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.61 AU - 0.97 AU

Year: 259 Days

Day: 33.4 Hours

Environment

Temp: 98 °C

Axial Tilt: 1.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.98 AU - 1.14 AU

Year: 403 Days

Day: 24.7 Hours

Environment

Temp: 13 °C

Axial Tilt: 8.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.87 AU - 3.91 AU

Year: 2303 Days

Day: 45.1 Hours

Environment

Temp: -115 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,248,515 km

• M1: 2,981,635 km (0.073 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.07 AU - 4.33 AU

Year: 2626 Days

Day: 26.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.1

Radius: 8

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.31 AU - 8.51 AU

Year: 7442 Days

Day: 5.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,248,515 km

• M1: 99,931 km (0.102 R)
• M2: 498,011 km (0.047 R)
• M3: 752,477 km (0.117 R)
• M4: 1,137,991 km (0.11 R)
• M5: 1,545,645 km (0.106 R)
• M6: 1,834,967 km (0.079 R)
• M7: 2,111,724 km (0.098 R)
• M8: 2,524,464 km (0.066 R)
• M9: 3,073,189 km (0.045 R)
• M10: 3,651,534 km (0.098 R)
• M11: 4,118,579 km (0.049 R)
• M12: 6,190,061 km (0.105 R)
• M13: 6,604,447 km (0.08 R)
• M14: 6,854,574 km (0.102 R)
• M15: 7,800,332 km (0.085 R)
• M16: 8,161,162 km (0.101 R)
• M17: 9,355,851 km (0.074 R)
• M18: 12,087,807 km (0.102 R)
• M19: 12,571,607 km (0.115 R)
• M20: 12,956,672 km (0.047 R)
• M21: 13,808,482 km (0.103 R)
• M22: 14,879,453 km (0.114 R)
• M23: 18,143,379 km (0.112 R)
• M24: 19,499,783 km (0.117 R)
• M25: 19,793,743 km (0.102 R)
• M26: 26,852,369 km (0.111 R)
• M27: 31,339,707 km (0.052 R)
• M28: 32,355,027 km (0.074 R)
• M29: 35,205,764 km (0.108 R)
• M30: 36,524,769 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.1

Radius: 5.5

Gravity: 30.61 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 11 AU - 14.28 AU

Year: 16581 Days

Day: 19.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,248,515 km

• M1: 68,366 km (0.116 R)
• M2: 242,947 km (0.084 R)
• M3: 670,797 km (0.069 R)
• M4: 1,417,889 km (0.093 R)
• M5: 1,662,182 km (0.12 R)
• M6: 2,409,124 km (0.081 R)
• M7: 2,614,821 km (0.092 R)
• M8: 3,221,740 km (0.112 R)
• M9: 3,705,240 km (0.079 R)
• M10: 4,367,959 km (0.09 R)
• M11: 6,007,551 km (0.106 R)
• M12: 7,241,734 km (0.069 R)
• M13: 9,508,889 km (0.107 R)
• M14: 10,438,640 km (0.03 R)
• M15: 11,049,748 km (0.109 R)
• M16: 11,619,865 km (0.072 R)
• M17: 15,226,071 km (0.101 R)
• M18: 22,179,829 km (0.049 R)
• M19: 22,479,025 km (0.116 R)
• M20: 22,882,191 km (0.108 R)
• M21: 26,171,998 km (0.056 R)
• M22: 30,006,191 km (0.11 R)
• M23: 32,631,634 km (0.111 R)
• M24: 36,364,998 km (0.054 R)
• M25: 37,764,486 km (0.086 R)
• M26: 39,637,003 km (0.075 R)
• M27: 45,143,551 km (0.101 R)
• M28: 47,581,099 km (0.096 R)
• M29: 48,245,612 km (0.112 R)
• M30: 50,447,992 km (0.107 R)
• M31: 52,363,144 km (0.097 R)
• M32: 61,484,725 km (0.116 R)
• M33: 64,273,080 km (0.055 R)
• M34: 67,144,312 km (0.101 R)
• M35: 69,034,630 km (0.092 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 14,961 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit