🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.63 AU - 0.93 AU

Year: 291 Days

Day: 46.7 Hours

Environment

Temp: -11 °C

Axial Tilt: 37.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.75 AU - 0.99 AU

Year: 342 Days

Day: 40.8 Hours

Environment

Temp: -22 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.86 AU - 1.2 AU

Year: 441 Days

Day: 31.5 Hours

Environment

Temp: -46 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 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: 1.23 AU - 1.67 AU

Year: 736 Days

Day: 45.1 Hours

Environment

Temp: -83 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,305,062 km

• M1: 1,395,449 km (0.073 R)

Asteroid Belt

Center: 2.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.1

Radius: 13

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.44 AU - 3.88 AU

Year: 2369 Days

Day: 7.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,305,062 km

• M1: 161,865 km (0.079 R)
• M2: 576,999 km (0.061 R)
• M3: 1,032,525 km (0.077 R)
• M4: 1,768,845 km (0.119 R)
• M5: 2,597,169 km (0.093 R)
• M6: 3,241,038 km (0.106 R)
• M7: 3,863,066 km (0.115 R)
• M8: 5,148,860 km (0.107 R)
• M9: 5,643,580 km (0.068 R)
• M10: 7,376,970 km (0.102 R)
• M11: 7,919,262 km (0.047 R)
• M12: 10,501,172 km (0.117 R)
• M13: 12,653,736 km (0.11 R)
• M14: 13,059,745 km (0.106 R)
• M15: 14,199,680 km (0.079 R)
• M16: 14,727,013 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.2

Radius: 10.5

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.99 AU - 3.89 AU

Year: 2691 Days

Day: 10.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,305,062 km

• M1: 130,599 km (0.084 R)
• M2: 493,523 km (0.103 R)
• M3: 1,019,659 km (0.114 R)
• M4: 2,261,920 km (0.076 R)
• M5: 2,750,058 km (0.039 R)
• M6: 3,498,795 km (0.064 R)
• M7: 4,302,734 km (0.056 R)
• M8: 4,829,318 km (0.11 R)
• M9: 9,507,244 km (0.064 R)
• M10: 10,436,546 km (0.099 R)
• M11: 11,316,481 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.5

Radius: 14.1

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.59 AU - 6.85 AU

Year: 7347 Days

Day: 9.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,305,062 km

• M1: 175,329 km (0.116 R)
• M2: 850,763 km (0.108 R)
• M3: 1,525,449 km (0.056 R)
• M4: 2,103,645 km (0.11 R)
• M5: 3,089,346 km (0.111 R)
• M6: 3,978,705 km (0.054 R)
• M7: 5,180,724 km (0.086 R)
• M8: 5,673,798 km (0.075 R)
• M9: 6,300,015 km (0.101 R)
• M10: 8,212,175 km (0.096 R)
• M11: 10,534,084 km (0.112 R)
• M12: 12,271,513 km (0.107 R)
• M13: 13,550,575 km (0.097 R)
• M14: 14,015,825 km (0.116 R)
• M15: 16,048,710 km (0.055 R)
• M16: 17,440,718 km (0.101 R)
• M17: 19,420,197 km (0.092 R)
• M18: 20,162,203 km (0.087 R)
• M19: 22,260,313 km (0.115 R)
• M20: 24,074,636 km (0.092 R)
• M21: 25,719,315 km (0.076 R)
• M22: 26,887,076 km (0.102 R)
• M23: 27,715,998 km (0.11 R)
• M24: 30,602,638 km (0.101 R)
• M25: 34,217,222 km (0.091 R)
• M26: 36,741,985 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.6

Radius: 7.6

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 8.7 AU - 13.76 AU

Year: 15872 Days

Day: 21.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 45,305,062 km

• M1: 94,695 km (0.026 R)
• M2: 336,745 km (0.088 R)
• M3: 964,757 km (0.095 R)
• M4: 1,255,126 km (0.102 R)
• M5: 1,576,014 km (0.053 R)
• M6: 2,293,036 km (0.104 R)
• M7: 2,634,568 km (0.118 R)
• M8: 3,120,163 km (0.029 R)
• M9: 3,689,083 km (0.096 R)
• M10: 5,413,498 km (0.102 R)
• M11: 5,848,230 km (0.091 R)
• M12: 7,134,771 km (0.117 R)
• M13: 8,119,574 km (0.116 R)
• M14: 9,859,996 km (0.074 R)
• M15: 10,869,482 km (0.088 R)
• M16: 11,615,975 km (0.106 R)
• M17: 12,113,688 km (0.098 R)
• M18: 13,510,333 km (0.102 R)
• M19: 14,435,895 km (0.051 R)
• M20: 17,110,256 km (0.096 R)
• M21: 17,466,299 km (0.107 R)
• M22: 18,119,444 km (0.099 R)
• M23: 19,244,120 km (0.068 R)
• M24: 19,784,618 km (0.078 R)
• M25: 21,302,737 km (0.08 R)
• M26: 25,113,443 km (0.089 R)
• M27: 25,388,703 km (0.101 R)
• M28: 25,758,958 km (0.05 R)
• M29: 26,415,394 km (0.106 R)
• M30: 27,566,549 km (0.081 R)
• M31: 32,943,246 km (0.099 R)
• M32: 40,470,114 km (0.069 R)
• M33: 41,612,742 km (0.084 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 12,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit