🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.99 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.77 AU - 2.17 AU

Year: 1174 Days

Day: 19.8 Hours

Environment

Temp: -101 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.54 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44

Radius: 11.3

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.65 AU - 9.56 AU

Year: 11656 Days

Day: 10.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,904,998 km

• M1: 141,220 km (0.074 R)
• M2: 520,301 km (0.064 R)
• M3: 941,719 km (0.078 R)
• M4: 2,264,014 km (0.11 R)
• M5: 3,076,031 km (0.049 R)
• M6: 3,889,395 km (0.095 R)
• M7: 9,050,671 km (0.096 R)
• M8: 10,163,231 km (0.106 R)
• M9: 12,129,695 km (0.105 R)
• M10: 15,029,649 km (0.047 R)
• M11: 15,640,009 km (0.081 R)
• M12: 16,856,239 km (0.072 R)
• M13: 19,297,377 km (0.1 R)
• M14: 19,957,852 km (0.107 R)

Planet 3 - Ice Giant

Semi-Major Axis: 11.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 776

Radius: 6.2

Gravity: 20.19 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 9.76 AU - 12.34 AU

Year: 15596 Days

Day: 17.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 29,904,998 km

• M1: 77,492 km (0.085 R)
• M2: 317,447 km (0.086 R)
• M3: 614,099 km (0.061 R)
• M4: 937,081 km (0.11 R)
• M5: 1,962,874 km (0.09 R)
• M6: 2,905,939 km (0.108 R)
• M7: 4,470,284 km (0.039 R)
• M8: 4,839,940 km (0.063 R)
• M9: 5,050,125 km (0.1 R)
• M10: 5,991,993 km (0.042 R)
• M11: 6,193,651 km (0.1 R)
• M12: 6,653,216 km (0.068 R)
• M13: 6,957,348 km (0.116 R)
• M14: 7,180,249 km (0.117 R)
• M15: 7,877,674 km (0.1 R)
• M16: 8,218,309 km (0.111 R)
• M17: 8,417,274 km (0.083 R)
• M18: 13,105,970 km (0.063 R)
• M19: 16,074,291 km (0.118 R)
• M20: 16,543,281 km (0.083 R)
• M21: 17,345,125 km (0.082 R)
• M22: 18,172,551 km (0.077 R)
• M23: 22,127,619 km (0.066 R)
• M24: 23,199,039 km (0.098 R)
• M25: 23,697,350 km (0.103 R)
• M26: 24,612,290 km (0.117 R)
• M27: 30,840,499 km (0.051 R)
• M28: 38,735,227 km (0.07 R)
• M29: 39,014,676 km (0.073 R)
• M30: 41,883,664 km (0.037 R)
• M31: 49,336,630 km (0.034 R)
• M32: 52,686,425 km (0.067 R)
• M33: 57,263,821 km (0.04 R)
• M34: 61,527,959 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53

Radius: 5.5

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 10.9 AU - 13.16 AU

Year: 17716 Days

Day: 19.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,904,998 km

• M1: 70,610 km (0.079 R)
• M2: 811,269 km (0.081 R)
• M3: 1,073,814 km (0.032 R)
• M4: 1,731,595 km (0.086 R)
• M5: 2,473,900 km (0.082 R)
• M6: 3,347,552 km (0.113 R)
• M7: 5,252,232 km (0.052 R)
• M8: 6,807,451 km (0.098 R)
• M9: 7,963,394 km (0.083 R)
• M10: 12,605,416 km (0.076 R)
• M11: 12,909,099 km (0.084 R)
• M12: 24,300,678 km (0.094 R)
• M13: 24,613,637 km (0.096 R)
• M14: 26,548,536 km (0.056 R)
• M15: 26,880,493 km (0.053 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 12,991 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit