🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.1

Radius: 11.1

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.51 AU - 0.53 AU

Year: 250 Days

Day: 6.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,716,723 km

• M1: 138,228 km (0.097 R)
• M2: 574,157 km (0.081 R)
• M3: 1,035,367 km (0.12 R)
• M4: 1,817,764 km (0.059 R)
• M5: 2,404,636 km (0.097 R)
• M6: 2,773,545 km (0.086 R)
• M7: 3,364,157 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.7

Radius: 10.7

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.12 AU - 1.62 AU

Year: 1069 Days

Day: 13.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,716,723 km

• M1: 133,142 km (0.107 R)
• M2: 667,207 km (0.104 R)
• M3: 1,386,772 km (0.108 R)
• M4: 1,752,689 km (0.028 R)
• M5: 2,590,437 km (0.103 R)
• M6: 3,331,096 km (0.114 R)
• M7: 4,322,630 km (0.046 R)
• M8: 4,735,072 km (0.099 R)
• M9: 5,098,595 km (0.066 R)
• M10: 5,579,552 km (0.081 R)
• M11: 6,903,792 km (0.042 R)
• M12: 7,763,082 km (0.099 R)
• M13: 8,719,013 km (0.092 R)
• M14: 9,295,413 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.5

Radius: 9.5

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.24 AU - 2.38 AU

Year: 2341 Days

Day: 14 Hours

Environment

Temp: -209 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,716,723 km

• M1: 118,482 km (0.086 R)
• M2: 466,895 km (0.109 R)
• M3: 848,070 km (0.088 R)
• M4: 1,447,509 km (0.082 R)
• M5: 1,778,569 km (0.11 R)
• M6: 2,160,343 km (0.109 R)
• M7: 3,159,208 km (0.099 R)
• M8: 4,142,963 km (0.114 R)
• M9: 4,638,282 km (0.034 R)
• M10: 7,326,406 km (0.105 R)
• M11: 7,730,919 km (0.081 R)
• M12: 9,104,826 km (0.069 R)
• M13: 9,463,262 km (0.11 R)
• M14: 10,556,523 km (0.075 R)
• M15: 13,678,332 km (0.053 R)
• M16: 14,101,694 km (0.098 R)
• M17: 17,587,474 km (0.084 R)
• M18: 18,031,929 km (0.115 R)
• M19: 18,598,306 km (0.074 R)
• M20: 19,706,827 km (0.118 R)
• M21: 20,065,862 km (0.064 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.3

Radius: 7.5

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.61 AU - 7.69 AU

Year: 11436 Days

Day: 20.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,716,723 km

• M1: 93,349 km (0.113 R)
• M2: 401,969 km (0.081 R)
• M3: 903,422 km (0.104 R)
• M4: 1,508,994 km (0.099 R)
• M5: 1,924,128 km (0.071 R)
• M6: 2,270,746 km (0.095 R)
• M7: 3,155,169 km (0.087 R)
• M8: 4,144,759 km (0.031 R)
• M9: 8,089,206 km (0.106 R)
• M10: 11,055,881 km (0.098 R)
• M11: 13,826,434 km (0.085 R)
• M12: 20,305,069 km (0.068 R)
• M13: 22,131,808 km (0.117 R)
• M14: 23,043,158 km (0.088 R)
• M15: 30,436,734 km (0.115 R)
• M16: 32,293,992 km (0.098 R)
• M17: 34,886,223 km (0.084 R)
• M18: 37,149,639 km (0.099 R)
• M19: 39,268,992 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 18,229 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit