🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.7 AU - 0.82 AU

Year: 248 Days

Day: 38.6 Hours

Environment

Temp: 165 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.58 AU - 2.84 AU

Year: 1672 Days

Day: 30.4 Hours

Environment

Temp: -92 °C

Axial Tilt: 94.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,218,000 km

• M1: 104,270 km (0.109 R)

Asteroid Belt

Center: 5.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.4

Radius: 12

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.48 AU - 8.24 AU

Year: 7482 Days

Day: 9.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,218,000 km

• M1: 149,299 km (0.088 R)
• M2: 540,647 km (0.066 R)
• M3: 936,782 km (0.091 R)
• M4: 1,464,414 km (0.097 R)
• M5: 2,522,818 km (0.082 R)
• M6: 3,498,047 km (0.075 R)
• M7: 3,938,314 km (0.099 R)
• M8: 4,574,404 km (0.104 R)
• M9: 5,248,342 km (0.109 R)
• M10: 6,117,057 km (0.082 R)
• M11: 6,690,017 km (0.116 R)
• M12: 7,521,631 km (0.099 R)
• M13: 8,708,690 km (0.1 R)
• M14: 9,522,652 km (0.104 R)
• M15: 10,062,402 km (0.059 R)
• M16: 10,813,832 km (0.052 R)
• M17: 11,551,948 km (0.047 R)
• M18: 12,114,286 km (0.111 R)
• M19: 13,572,267 km (0.108 R)
• M20: 19,279,126 km (0.052 R)
• M21: 20,364,459 km (0.031 R)
• M22: 21,337,593 km (0.03 R)
• M23: 21,720,115 km (0.098 R)
• M24: 25,456,770 km (0.096 R)
• M25: 27,118,204 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.1

Radius: 3.2

Gravity: 80.77 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 9.32 AU - 14.9 AU

Year: 15792 Days

Day: 15.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,218,000 km

• M1: 42,486 km (0.11 R)
• M2: 195,375 km (0.102 R)
• M3: 537,056 km (0.099 R)
• M4: 644,468 km (0.086 R)
• M5: 960,718 km (0.025 R)
• M6: 1,298,210 km (0.099 R)
• M7: 1,815,819 km (0.079 R)
• M8: 1,926,372 km (0.111 R)
• M9: 3,134,823 km (0.116 R)
• M10: 3,376,125 km (0.095 R)
• M11: 3,600,970 km (0.108 R)
• M12: 4,467,142 km (0.056 R)
• M13: 4,807,627 km (0.058 R)
• M14: 5,539,908 km (0.116 R)
• M15: 6,642,445 km (0.102 R)
• M16: 9,216,426 km (0.088 R)
• M17: 11,994,458 km (0.088 R)
• M18: 13,054,509 km (0.085 R)
• M19: 15,974,809 km (0.112 R)
• M20: 16,209,827 km (0.065 R)
• M21: 17,091,706 km (0.114 R)
• M22: 17,836,554 km (0.064 R)
• M23: 18,863,095 km (0.117 R)
• M24: 21,504,993 km (0.115 R)
• M25: 24,486,927 km (0.091 R)
• M26: 35,592,026 km (0.117 R)
• M27: 36,803,919 km (0.051 R)
• M28: 37,904,061 km (0.086 R)
• M29: 42,374,046 km (0.072 R)
• M30: 43,126,523 km (0.045 R)
• M31: 47,343,687 km (0.053 R)
• M32: 47,666,669 km (0.059 R)
• M33: 48,480,182 km (0.083 R)
• M34: 55,147,011 km (0.037 R)
• M35: 55,863,435 km (0.086 R)
• M36: 57,314,983 km (0.084 R)
• M37: 59,164,312 km (0.095 R)
• M38: 63,372,351 km (0.111 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 15,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit