🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.9

Radius: 8.6

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.49 AU - 0.63 AU

Year: 289 Days

Day: 11.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,071,740 km

• M1: 106,962 km (0.078 R)
• M2: 401,371 km (0.06 R)
• M3: 669,301 km (0.09 R)
• M4: 971,339 km (0.099 R)
• M5: 1,435,541 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.3

Radius: 13.9

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.84 AU - 1.14 AU

Year: 680 Days

Day: 11.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,071,740 km

• M1: 172,935 km (0.117 R)
• M2: 822,938 km (0.111 R)
• M3: 1,559,408 km (0.101 R)
• M4: 2,089,583 km (0.118 R)
• M5: 2,852,383 km (0.07 R)
• M6: 3,288,460 km (0.108 R)
• M7: 3,756,851 km (0.072 R)
• M8: 5,277,813 km (0.08 R)
• M9: 5,821,302 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.2

Radius: 10.3

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.33 AU - 1.61 AU

Year: 1230 Days

Day: 7 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,071,740 km

• M1: 128,953 km (0.085 R)
• M2: 451,337 km (0.102 R)
• M3: 833,559 km (0.093 R)
• M4: 1,249,441 km (0.085 R)
• M5: 1,758,673 km (0.111 R)
• M6: 2,402,691 km (0.069 R)
• M7: 2,725,524 km (0.072 R)
• M8: 3,051,348 km (0.112 R)
• M9: 3,375,377 km (0.077 R)
• M10: 3,707,634 km (0.107 R)
• M11: 4,125,610 km (0.077 R)
• M12: 4,506,337 km (0.053 R)
• M13: 4,946,753 km (0.049 R)
• M14: 6,596,817 km (0.026 R)
• M15: 6,934,460 km (0.104 R)
• M16: 7,378,765 km (0.119 R)
• M17: 8,799,796 km (0.05 R)

Asteroid Belt

Center: 4.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.2

Radius: 4.6

Gravity: 17.35 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 8.06 AU - 8.14 AU

Year: 15913 Days

Day: 20.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,071,740 km

• M1: 57,745 km (0.085 R)
• M2: 218,862 km (0.112 R)
• M3: 387,458 km (0.079 R)
• M4: 569,519 km (0.113 R)
• M5: 1,714,242 km (0.064 R)
• M6: 2,068,191 km (0.093 R)
• M7: 2,469,262 km (0.079 R)
• M8: 2,742,578 km (0.084 R)
• M9: 2,989,265 km (0.067 R)
• M10: 3,450,176 km (0.112 R)
• M11: 5,251,184 km (0.037 R)
• M12: 7,994,660 km (0.044 R)
• M13: 8,498,206 km (0.054 R)
• M14: 10,241,321 km (0.111 R)
• M15: 10,725,270 km (0.115 R)
• M16: 11,112,279 km (0.092 R)
• M17: 14,886,783 km (0.099 R)
• M18: 15,507,465 km (0.042 R)
• M19: 20,765,680 km (0.091 R)
• M20: 21,539,999 km (0.072 R)
• M21: 23,146,082 km (0.069 R)
• M22: 23,698,696 km (0.099 R)
• M23: 24,071,943 km (0.082 R)
• M24: 26,195,485 km (0.034 R)
• M25: 26,394,450 km (0.077 R)
• M26: 27,919,451 km (0.103 R)
• M27: 34,967,455 km (0.103 R)
• M28: 40,403,842 km (0.104 R)
• M29: 41,338,978 km (0.114 R)
• M30: 42,015,759 km (0.045 R)
• M31: 44,090,232 km (0.106 R)
• M32: 44,654,815 km (0.076 R)
• M33: 45,367,200 km (0.092 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 20,232 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit