🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.43 AU - 0.69 AU

Year: 155 Days

Day: 27.4 Hours

Environment

Temp: 189 °C

Axial Tilt: 10.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.97 AU - 1.53 AU

Year: 518 Days

Day: 24.9 Hours

Environment

Temp: -16 °C

Axial Tilt: 11.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 106,522,535 km

• M1: 12,566 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.23 AU - 1.83 AU

Year: 702 Days

Day: 13.7 Hours

Environment

Temp: -45 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 106,522,535 km

• M1: 176,675 km (0.049 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.44 AU - 2.36 AU

Year: 971 Days

Day: 14.5 Hours

Environment

Temp: -77 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 106,522,535 km

• M1: 60,737 km (0.119 R)

Asteroid Belt

Center: 3.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.1

Radius: 14.8

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.74 AU - 6.24 AU

Year: 4134 Days

Day: 12.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 106,522,535 km

• M1: 184,005 km (0.045 R)
• M2: 689,347 km (0.067 R)
• M3: 1,157,439 km (0.039 R)
• M4: 1,689,409 km (0.064 R)
• M5: 3,119,564 km (0.088 R)
• M6: 4,935,234 km (0.059 R)
• M7: 6,783,067 km (0.094 R)
• M8: 7,411,677 km (0.097 R)
• M9: 9,861,791 km (0.059 R)
• M10: 11,941,800 km (0.068 R)
• M11: 13,414,142 km (0.045 R)
• M12: 15,114,621 km (0.096 R)
• M13: 15,674,416 km (0.05 R)
• M14: 16,306,318 km (0.078 R)
• M15: 16,835,744 km (0.075 R)
• M16: 18,876,409 km (0.1 R)
• M17: 22,419,485 km (0.1 R)
• M18: 24,271,656 km (0.115 R)
• M19: 25,587,968 km (0.086 R)
• M20: 26,143,724 km (0.109 R)
• M21: 26,707,409 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.1

Radius: 7.4

Gravity: 17 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 15.48 AU - 20.6 AU

Year: 28416 Days

Day: 17.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 106,522,535 km

• M1: 93,947 km (0.065 R)
• M2: 331,359 km (0.066 R)
• M3: 605,722 km (0.08 R)
• M4: 1,336,956 km (0.076 R)
• M5: 2,329,688 km (0.115 R)
• M6: 2,852,233 km (0.11 R)
• M7: 4,386,808 km (0.082 R)
• M8: 5,099,193 km (0.119 R)
• M9: 5,659,736 km (0.099 R)
• M10: 6,801,916 km (0.087 R)
• M11: 9,158,232 km (0.059 R)
• M12: 11,498,392 km (0.099 R)
• M13: 14,799,418 km (0.074 R)
• M14: 17,993,333 km (0.064 R)
• M15: 19,186,376 km (0.075 R)
• M16: 23,081,007 km (0.106 R)
• M17: 26,831,575 km (0.09 R)
• M18: 27,343,349 km (0.044 R)
• M19: 30,137,389 km (0.086 R)
• M20: 38,995,079 km (0.04 R)
• M21: 39,651,664 km (0.086 R)
• M22: 41,325,365 km (0.109 R)
• M23: 44,277,828 km (0.115 R)
• M24: 48,681,092 km (0.08 R)
• M25: 49,442,246 km (0.096 R)
• M26: 49,825,815 km (0.115 R)
• M27: 53,973,715 km (0.042 R)
• M28: 60,947,669 km (0.08 R)
• M29: 61,388,533 km (0.085 R)
• M30: 66,613,837 km (0.036 R)
• M31: 66,847,659 km (0.098 R)
• M32: 68,024,246 km (0.079 R)
• M33: 69,454,252 km (0.117 R)
• M34: 71,636,885 km (0.103 R)
• M35: 77,679,891 km (0.099 R)
• M36: 78,198,248 km (0.039 R)
• M37: 78,458,398 km (0.027 R)
• M38: 96,628,705 km (0.077 R)
• M39: 103,361,507 km (0.096 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: 197 - 11,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit