🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.4 AU - 0.66 AU

Year: 249 Days

Day: 24 Hours

Environment

Temp: -127 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,869,187 km

• M1: 52,060 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.5 AU - 0.64 AU

Year: 278 Days

Day: 12.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 41.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.57 AU - 0.57 AU

Year: 278 Days

Day: 36.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174

Radius: 11.2

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.81 AU - 1.21 AU

Year: 655 Days

Day: 13.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,869,187 km

• M1: 139,276 km (0.114 R)
• M2: 528,529 km (0.12 R)
• M3: 1,079,797 km (0.078 R)
• M4: 1,640,490 km (0.108 R)
• M5: 2,146,131 km (0.109 R)
• M6: 2,706,674 km (0.106 R)
• M7: 3,318,829 km (0.084 R)
• M8: 3,836,886 km (0.116 R)
• M9: 4,542,988 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.8

Radius: 14.4

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.21 AU - 6.19 AU

Year: 7656 Days

Day: 5.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,869,187 km

• M1: 179,069 km (0.11 R)
• M2: 736,321 km (0.098 R)
• M3: 1,330,075 km (0.089 R)
• M4: 1,799,662 km (0.091 R)
• M5: 2,382,047 km (0.034 R)
• M6: 3,685,493 km (0.095 R)
• M7: 4,249,028 km (0.095 R)
• M8: 6,016,527 km (0.109 R)
• M9: 6,951,813 km (0.061 R)
• M10: 7,695,015 km (0.07 R)
• M11: 9,340,592 km (0.071 R)
• M12: 9,858,200 km (0.112 R)
• M13: 11,795,493 km (0.07 R)
• M14: 12,683,057 km (0.054 R)
• M15: 13,318,698 km (0.056 R)
• M16: 15,033,240 km (0.087 R)
• M17: 15,745,625 km (0.092 R)
• M18: 16,345,063 km (0.098 R)
• M19: 22,698,784 km (0.073 R)
• M20: 28,523,976 km (0.029 R)
• M21: 33,716,069 km (0.046 R)
• M22: 34,378,787 km (0.098 R)
• M23: 35,162,830 km (0.107 R)
• M24: 38,418,678 km (0.076 R)
• M25: 42,380,030 km (0.107 R)
• M26: 43,541,507 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.8

Radius: 4.5

Gravity: 35.2 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.08 AU - 9.26 AU

Year: 15078 Days

Day: 19.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,869,187 km

• M1: 55,950 km (0.112 R)
• M2: 206,146 km (0.097 R)
• M3: 466,596 km (0.081 R)
• M4: 613,800 km (0.041 R)
• M5: 994,377 km (0.061 R)
• M6: 1,311,973 km (0.088 R)
• M7: 2,031,539 km (0.112 R)
• M8: 3,367,598 km (0.088 R)
• M9: 4,232,573 km (0.068 R)
• M10: 5,344,982 km (0.091 R)
• M11: 5,987,954 km (0.054 R)
• M12: 6,894,966 km (0.098 R)
• M13: 8,225,639 km (0.103 R)
• M14: 8,874,146 km (0.053 R)
• M15: 9,395,943 km (0.075 R)
• M16: 11,998,497 km (0.06 R)
• M17: 14,971,904 km (0.114 R)
• M18: 19,681,545 km (0.105 R)
• M19: 23,973,508 km (0.059 R)
• M20: 27,193,153 km (0.058 R)
• M21: 28,290,154 km (0.105 R)
• M22: 31,399,097 km (0.104 R)
• M23: 32,483,831 km (0.059 R)
• M24: 40,081,010 km (0.095 R)
• M25: 43,989,104 km (0.069 R)
• M26: 46,112,197 km (0.089 R)
• M27: 49,423,247 km (0.079 R)
• M28: 57,400,553 km (0.075 R)
• M29: 63,296,654 km (0.032 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: 358 - 18,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit