🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.74 AU - 0.78 AU

Year: 241 Days

Day: 46.1 Hours

Environment

Temp: 140 °C

Axial Tilt: 8.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,652,677 km

• M1: 41,887 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.02 AU - 1.26 AU

Year: 442 Days

Day: 14 Hours

Environment

Temp: 15 °C

Axial Tilt: 43.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 41,652,677 km

• M1: 227,987 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.73 AU - 5.59 AU

Year: 3656 Days

Day: 46.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.22 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.5

Radius: 13

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.48 AU - 7.06 AU

Year: 5037 Days

Day: 5.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,652,677 km

• M1: 162,314 km (0.1 R)
• M2: 707,149 km (0.078 R)
• M3: 1,663,528 km (0.076 R)
• M4: 2,309,791 km (0.068 R)
• M5: 2,965,927 km (0.114 R)
• M6: 3,855,586 km (0.114 R)
• M7: 5,160,827 km (0.12 R)
• M8: 6,875,967 km (0.039 R)
• M9: 7,790,309 km (0.067 R)
• M10: 8,508,528 km (0.092 R)
• M11: 9,395,045 km (0.059 R)
• M12: 11,734,756 km (0.084 R)
• M13: 12,884,565 km (0.089 R)
• M14: 14,495,585 km (0.088 R)
• M15: 17,856,002 km (0.088 R)
• M16: 19,105,294 km (0.101 R)
• M17: 19,648,484 km (0.026 R)
• M18: 21,412,542 km (0.069 R)
• M19: 22,822,202 km (0.106 R)
• M20: 23,279,972 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37

Radius: 9.1

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.92 AU - 10.08 AU

Year: 10642 Days

Day: 10.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,652,677 km

• M1: 123,568 km (0.111 R)
• M2: 1,745,209 km (0.097 R)
• M3: 2,202,380 km (0.069 R)
• M4: 4,718,466 km (0.107 R)
• M5: 5,784,800 km (0.098 R)
• M6: 6,442,582 km (0.101 R)
• M7: 7,875,730 km (0.096 R)
• M8: 12,221,398 km (0.053 R)
• M9: 15,458,397 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.1

Radius: 5

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 15.04 AU - 16.46 AU

Year: 22717 Days

Day: 24.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 41,652,677 km

• M1: 91,554 km (0.042 R)
• M2: 252,372 km (0.112 R)
• M3: 469,737 km (0.068 R)
• M4: 629,957 km (0.118 R)
• M5: 908,358 km (0.095 R)
• M6: 1,140,833 km (0.085 R)
• M7: 3,277,540 km (0.071 R)
• M8: 4,407,901 km (0.11 R)
• M9: 4,719,514 km (0.12 R)
• M10: 4,925,360 km (0.09 R)
• M11: 6,831,985 km (0.052 R)
• M12: 7,210,767 km (0.088 R)
• M13: 7,968,929 km (0.071 R)
• M14: 9,456,081 km (0.092 R)
• M15: 9,642,331 km (0.081 R)
• M16: 11,696,160 km (0.102 R)
• M17: 12,019,291 km (0.117 R)
• M18: 16,643,810 km (0.097 R)
• M19: 18,247,499 km (0.09 R)
• M20: 18,682,081 km (0.06 R)
• M21: 20,802,482 km (0.059 R)
• M22: 21,197,270 km (0.074 R)
• M23: 21,356,442 km (0.108 R)
• M24: 21,516,662 km (0.112 R)
• M25: 22,494,134 km (0.066 R)
• M26: 35,496,134 km (0.109 R)
• M27: 36,858,821 km (0.113 R)
• M28: 39,567,440 km (0.074 R)
• M29: 40,173,311 km (0.12 R)
• M30: 41,528,070 km (0.109 R)

Kuiper Belt

Range: 30.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 17,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit