🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.7

Radius: 15

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.68 AU - 0.84 AU

Year: 428 Days

Day: 8.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,139,772 km

• M1: 186,848 km (0.067 R)
• M2: 662,719 km (0.104 R)
• M3: 1,180,626 km (0.066 R)
• M4: 1,651,112 km (0.086 R)
• M5: 2,266,857 km (0.066 R)
• M6: 2,791,945 km (0.1 R)
• M7: 3,723,192 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.4

Radius: 14.4

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.68 AU - 0.92 AU

Year: 462 Days

Day: 6.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,139,772 km

• M1: 179,069 km (0.093 R)
• M2: 894,446 km (0.102 R)
• M3: 1,400,386 km (0.105 R)
• M4: 1,923,829 km (0.065 R)
• M5: 2,706,973 km (0.115 R)
• M6: 3,486,977 km (0.082 R)
• M7: 4,082,825 km (0.073 R)
• M8: 4,599,237 km (0.064 R)
• M9: 5,081,092 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.6

Radius: 8.1

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.9 AU - 1.04 AU

Year: 617 Days

Day: 10.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 139.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,139,772 km

• M1: 100,979 km (0.068 R)
• M2: 435,629 km (0.115 R)
• M3: 851,960 km (0.108 R)
• M4: 1,589,029 km (0.048 R)
• M5: 2,696,950 km (0.081 R)
• M6: 4,610,756 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.6

Radius: 7

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.38 AU - 9.66 AU

Year: 18966 Days

Day: 23.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,139,772 km

• M1: 89,310 km (0.119 R)
• M2: 503,546 km (0.047 R)
• M3: 978,520 km (0.097 R)
• M4: 1,247,945 km (0.118 R)
• M5: 1,596,808 km (0.036 R)
• M6: 1,819,858 km (0.072 R)
• M7: 2,512,347 km (0.105 R)
• M8: 3,000,484 km (0.078 R)
• M9: 6,240,176 km (0.114 R)
• M10: 6,799,223 km (0.095 R)
• M11: 8,109,102 km (0.112 R)
• M12: 8,823,582 km (0.082 R)
• M13: 10,377,155 km (0.103 R)
• M14: 11,450,670 km (0.061 R)
• M15: 12,104,861 km (0.115 R)
• M16: 12,410,490 km (0.11 R)
• M17: 13,684,316 km (0.063 R)
• M18: 15,325,255 km (0.078 R)
• M19: 19,157,204 km (0.108 R)
• M20: 23,678,052 km (0.056 R)
• M21: 24,640,714 km (0.078 R)
• M22: 25,429,544 km (0.103 R)
• M23: 27,897,011 km (0.027 R)
• M24: 30,071,566 km (0.106 R)
• M25: 33,302,132 km (0.118 R)
• M26: 36,756,795 km (0.108 R)
• M27: 39,499,523 km (0.109 R)
• M28: 43,080,297 km (0.101 R)
• M29: 48,694,406 km (0.103 R)
• M30: 51,996,630 km (0.097 R)
• M31: 52,642,144 km (0.07 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 20,395 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit