🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.51 AU - 0.75 AU

Year: 185 Days

Day: 12.8 Hours

Environment

Temp: 202 °C

Axial Tilt: 16.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.62 AU - 0.82 AU

Year: 227 Days

Day: 25.4 Hours

Environment

Temp: 129 °C

Axial Tilt: 12.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.72 AU - 1.12 AU

Year: 327 Days

Day: 24.6 Hours

Environment

Temp: 27 °C

Axial Tilt: 23.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.92 AU - 2.94 AU

Year: 1405 Days

Day: 22.6 Hours

Environment

Temp: -96 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.65 AU - 2.99 AU

Year: 1756 Days

Day: 46.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 15.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.03 AU - 4.77 AU

Year: 2856 Days

Day: 41.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.36 AU - 5.28 AU

Year: 3330 Days

Day: 31.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 80.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.7

Radius: 12.9

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.17 AU - 9.63 AU

Year: 9029 Days

Day: 11.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 40,468,439 km

• M1: 349,311 km (0.049 R)
• M2: 828,473 km (0.084 R)
• M3: 939,175 km (0.115 R)
• M4: 1,055,413 km (0.08 R)
• M5: 1,492,837 km (0.109 R)
• M6: 1,611,019 km (0.041 R)
• M7: 1,752,988 km (0.08 R)
• M8: 2,093,473 km (0.111 R)
• M9: 2,861,957 km (0.101 R)
• M10: 3,419,957 km (0.096 R)
• M11: 3,631,339 km (0.103 R)
• M12: 3,956,564 km (0.115 R)
• M13: 5,108,468 km (0.09 R)
• M14: 5,381,335 km (0.061 R)
• M15: 5,504,304 km (0.069 R)
• M16: 5,910,013 km (0.11 R)
• M17: 6,883,297 km (0.1 R)
• M18: 7,117,567 km (0.047 R)
• M19: 7,422,747 km (0.118 R)
• M20: 8,186,893 km (0.07 R)
• M21: 8,364,017 km (0.065 R)
• M22: 8,830,762 km (0.052 R)
• M23: 9,305,885 km (0.092 R)
• M24: 10,166,970 km (0.103 R)
• M25: 10,858,711 km (0.063 R)
• M26: 12,005,080 km (0.078 R)
• M27: 12,247,129 km (0.115 R)
• M28: 12,368,752 km (0.108 R)
• M29: 12,777,005 km (0.089 R)
• M30: 13,272,921 km (0.071 R)
• M31: 14,711,754 km (0.114 R)
• M32: 15,231,457 km (0.118 R)
• M33: 16,110,943 km (0.093 R)
• M34: 16,244,234 km (0.068 R)
• M35: 16,422,705 km (0.097 R)
• M36: 16,556,894 km (0.066 R)
• M37: 16,781,440 km (0.049 R)
• M38: 17,233,376 km (0.118 R)
• M39: 17,369,809 km (0.046 R)
• M40: 18,473,991 km (0.071 R)
• M41: 19,175,605 km (0.054 R)
• M42: 19,981,339 km (0.114 R)
• M43: 20,364,309 km (0.07 R)
• M44: 21,040,492 km (0.083 R)
• M45: 21,478,963 km (0.049 R)
• M46: 21,871,358 km (0.1 R)
• M47: 22,117,746 km (0.076 R)
• M48: 22,315,664 km (0.092 R)
• M49: 22,862,594 km (0.115 R)
• M50: 23,062,606 km (0.07 R)
• M51: 23,363,747 km (0.097 R)
• M52: 23,919,204 km (0.09 R)
• M53: 24,376,973 km (0.095 R)
• M54: 24,786,273 km (0.081 R)
• M55: 25,456,172 km (0.078 R)
• M56: 27,661,095 km (0.117 R)
• M57: 28,409,683 km (0.112 R)
• M58: 28,517,094 km (0.101 R)
• M59: 29,872,002 km (0.106 R)
• M60: 29,981,358 km (0.092 R)
• M61: 30,200,369 km (0.061 R)
• M62: 31,636,808 km (0.025 R)
• M63: 32,195,257 km (0.081 R)
• M64: 32,307,306 km (0.094 R)
• M65: 32,419,504 km (0.102 R)
• M66: 32,531,852 km (0.101 R)
• M67: 33,321,879 km (0.099 R)
• M68: 33,605,516 km (0.08 R)
• M69: 34,863,185 km (0.065 R)
• M70: 34,978,376 km (0.089 R)
• M71: 35,266,651 km (0.111 R)
• M72: 35,787,551 km (0.054 R)
• M73: 37,306,867 km (0.102 R)
• M74: 37,483,392 km (0.065 R)
• M75: 37,660,366 km (0.076 R)
• M76: 38,787,437 km (0.056 R)
• M77: 39,925,577 km (0.093 R)
• M78: 40,046,004 km (0.082 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 16,783 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit