🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1 AU - 1.04 AU

Year: 382 Days

Day: 13.6 Hours

Environment

Temp: 13 °C

Axial Tilt: 37.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 52,214,537 km

• M1: 99,931 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.98 AU - 1.28 AU

Year: 445 Days

Day: 44.8 Hours

Environment

Temp: 6 °C

Axial Tilt: 26.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 3.08 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.9

Radius: 8.8

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.93 AU - 5.11 AU

Year: 4171 Days

Day: 5.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,214,537 km

• M1: 113,994 km (0.09 R)
• M2: 414,685 km (0.096 R)
• M3: 868,715 km (0.111 R)
• M4: 2,320,861 km (0.116 R)
• M5: 2,899,356 km (0.041 R)
• M6: 3,413,225 km (0.115 R)
• M7: 3,774,803 km (0.066 R)
• M8: 4,051,709 km (0.1 R)
• M9: 5,840,899 km (0.031 R)
• M10: 6,815,529 km (0.064 R)
• M11: 8,385,709 km (0.035 R)
• M12: 8,748,633 km (0.112 R)
• M13: 10,347,685 km (0.091 R)
• M14: 12,503,540 km (0.093 R)
• M15: 13,170,896 km (0.037 R)
• M16: 14,680,338 km (0.036 R)
• M17: 17,214,077 km (0.074 R)
• M18: 17,979,719 km (0.058 R)
• M19: 19,833,387 km (0.061 R)
• M20: 20,872,493 km (0.113 R)
• M21: 23,989,066 km (0.04 R)
• M22: 24,647,596 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.2

Radius: 10.4

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.87 AU - 10.15 AU

Year: 10030 Days

Day: 13.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,214,537 km

• M1: 129,402 km (0.099 R)
• M2: 480,957 km (0.114 R)
• M3: 822,639 km (0.087 R)
• M4: 2,001,171 km (0.045 R)
• M5: 3,745,482 km (0.083 R)
• M6: 4,184,402 km (0.093 R)
• M7: 5,332,566 km (0.083 R)
• M8: 6,718,440 km (0.113 R)
• M9: 7,666,292 km (0.108 R)
• M10: 10,083,046 km (0.119 R)
• M11: 13,277,559 km (0.05 R)
• M12: 14,565,746 km (0.069 R)
• M13: 15,935,315 km (0.102 R)
• M14: 18,850,080 km (0.105 R)
• M15: 19,408,529 km (0.062 R)
• M16: 20,142,605 km (0.052 R)
• M17: 20,642,262 km (0.083 R)
• M18: 22,723,767 km (0.086 R)
• M19: 26,597,454 km (0.09 R)
• M20: 27,912,120 km (0.09 R)
• M21: 32,116,120 km (0.1 R)
• M22: 33,490,176 km (0.11 R)
• M23: 35,503,015 km (0.103 R)
• M24: 40,555,384 km (0.081 R)
• M25: 42,024,435 km (0.098 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: 452 - 14,106 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit