🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.44 AU - 0.62 AU

Year: 139 Days

Day: 25.5 Hours

Environment

Temp: 242 °C

Axial Tilt: 47 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 64,442,862 km

• M1: 35,604 km (0.043 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.47 AU - 0.69 AU

Year: 159 Days

Day: 27.4 Hours

Environment

Temp: 204 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 64,442,862 km

• M1: 37,998 km (0.118 R)
• M2: 443,857 km (0.061 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.59 AU - 0.81 AU

Year: 211 Days

Day: 23.7 Hours

Environment

Temp: 138 °C

Axial Tilt: 25.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.68 AU - 0.78 AU

Year: 224 Days

Day: 40.3 Hours

Environment

Temp: 186 °C

Axial Tilt: 37.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.7 AU - 1.06 AU

Year: 297 Days

Day: 24.5 Hours

Environment

Temp: 125 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Gas Giant

Semi-Major Axis: 10.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.2

Radius: 9.1

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 9.91 AU - 11.57 AU

Year: 12667 Days

Day: 9.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,442,862 km

• M1: 113,545 km (0.103 R)
• M2: 547,079 km (0.107 R)
• M3: 946,655 km (0.088 R)
• M4: 1,915,750 km (0.071 R)
• M5: 2,338,065 km (0.103 R)
• M6: 3,098,621 km (0.09 R)
• M7: 3,609,497 km (0.106 R)
• M8: 4,423,459 km (0.08 R)
• M9: 4,919,227 km (0.112 R)
• M10: 6,447,967 km (0.095 R)
• M11: 7,440,549 km (0.11 R)
• M12: 8,575,698 km (0.078 R)
• M13: 9,024,192 km (0.108 R)
• M14: 9,630,513 km (0.101 R)
• M15: 10,164,427 km (0.102 R)
• M16: 13,194,532 km (0.072 R)
• M17: 13,975,732 km (0.081 R)
• M18: 14,346,436 km (0.11 R)
• M19: 17,840,144 km (0.098 R)
• M20: 19,095,420 km (0.085 R)
• M21: 20,646,301 km (0.056 R)
• M22: 23,909,180 km (0.081 R)
• M23: 28,377,669 km (0.09 R)
• M24: 33,154,179 km (0.116 R)
• M25: 37,246,728 km (0.072 R)
• M26: 40,403,692 km (0.066 R)
• M27: 41,283,178 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.3

Radius: 9.1

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 11.96 AU - 12.22 AU

Year: 15129 Days

Day: 6 Hours

Environment

Temp: -181 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,442,862 km

• M1: 191,186 km (0.116 R)
• M2: 542,292 km (0.079 R)
• M3: 881,431 km (0.118 R)
• M4: 1,290,581 km (0.032 R)
• M5: 2,221,379 km (0.082 R)
• M6: 3,670,085 km (0.111 R)
• M7: 4,954,532 km (0.059 R)
• M8: 5,531,082 km (0.085 R)
• M9: 6,116,010 km (0.09 R)
• M10: 6,590,534 km (0.107 R)
• M11: 7,208,373 km (0.087 R)
• M12: 7,906,397 km (0.06 R)
• M13: 8,425,801 km (0.118 R)
• M14: 10,322,851 km (0.119 R)
• M15: 13,434,038 km (0.061 R)
• M16: 14,746,461 km (0.105 R)
• M17: 16,556,894 km (0.12 R)
• M18: 18,137,844 km (0.06 R)
• M19: 23,658,754 km (0.057 R)
• M20: 24,283,774 km (0.1 R)
• M21: 29,073,149 km (0.058 R)
• M22: 30,101,186 km (0.12 R)
• M23: 31,688,569 km (0.078 R)
• M24: 32,012,598 km (0.058 R)
• M25: 34,799,457 km (0.095 R)
• M26: 40,090,285 km (0.055 R)
• M27: 40,596,374 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.4

Radius: 14.5

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 10.04 AU - 15.24 AU

Year: 16173 Days

Day: 8.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,442,862 km

• M1: 180,415 km (0.113 R)
• M2: 1,336,059 km (0.073 R)
• M3: 2,208,065 km (0.077 R)
• M4: 3,254,202 km (0.032 R)
• M5: 3,962,997 km (0.092 R)
• M6: 4,481,055 km (0.072 R)
• M7: 5,617,250 km (0.102 R)
• M8: 7,376,521 km (0.107 R)
• M9: 8,805,480 km (0.096 R)
• M10: 9,268,336 km (0.084 R)
• M11: 10,872,025 km (0.11 R)
• M12: 12,144,056 km (0.1 R)
• M13: 12,654,035 km (0.093 R)
• M14: 16,634,685 km (0.117 R)
• M15: 18,404,727 km (0.108 R)
• M16: 18,993,544 km (0.074 R)
• M17: 22,602,443 km (0.089 R)
• M18: 23,083,550 km (0.104 R)
• M19: 35,612,671 km (0.065 R)
• M20: 36,133,720 km (0.104 R)
• M21: 39,506,404 km (0.088 R)
• M22: 48,447,270 km (0.052 R)
• M23: 49,895,079 km (0.06 R)
• M24: 53,726,280 km (0.107 R)
• M25: 55,277,460 km (0.091 R)
• M26: 56,152,010 km (0.097 R)
• M27: 59,194,531 km (0.096 R)
• M28: 63,483,801 km (0.107 R)

Kuiper Belt

Range: 30.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 17,791 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit