🌌 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: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.48 AU - 0.62 AU

Year: 153 Days

Day: 36.6 Hours

Environment

Temp: 137 °C

Axial Tilt: 26.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 86,657,455 km

• M1: 68,067 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.5 AU - 0.64 AU

Year: 161 Days

Day: 21.4 Hours

Environment

Temp: 183 °C

Axial Tilt: 45.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 86,657,455 km

• M1: 402,418 km (0.102 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.68 AU - 2.52 AU

Year: 1140 Days

Day: 18 Hours

Environment

Temp: -75 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 86,657,455 km

• M1: 42,037 km (0.092 R)
• M2: 832,662 km (0.034 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.41 AU - 2.69 AU

Year: 1526 Days

Day: 47.4 Hours

Environment

Temp: -104 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.45 AU - 4.87 AU

Year: 3180 Days

Day: 16.6 Hours

Environment

Temp: -125 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 15.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.4

Radius: 3

Gravity: 82.6 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 14.58 AU - 16.84 AU

Year: 23334 Days

Day: 16.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,657,455 km

• M1: 38,447 km (0.096 R)
• M2: 740,659 km (0.097 R)
• M3: 862,581 km (0.082 R)
• M4: 1,205,011 km (0.074 R)
• M5: 1,440,029 km (0.114 R)
• M6: 1,613,114 km (0.072 R)
• M7: 2,063,703 km (0.102 R)
• M8: 2,744,672 km (0.092 R)
• M9: 3,038,333 km (0.045 R)
• M10: 3,178,506 km (0.063 R)
• M11: 3,382,109 km (0.117 R)
• M12: 4,078,636 km (0.08 R)
• M13: 5,335,258 km (0.09 R)
• M14: 6,409,072 km (0.085 R)
• M15: 8,859,336 km (0.118 R)
• M16: 9,616,750 km (0.042 R)
• M17: 12,933,035 km (0.119 R)
• M18: 13,601,289 km (0.102 R)
• M19: 14,845,345 km (0.099 R)
• M20: 17,290,073 km (0.1 R)
• M21: 18,099,996 km (0.032 R)
• M22: 21,184,854 km (0.102 R)
• M23: 22,426,366 km (0.095 R)
• M24: 24,827,263 km (0.08 R)
• M25: 26,440,975 km (0.105 R)
• M26: 28,616,726 km (0.095 R)
• M27: 29,875,592 km (0.096 R)
• M28: 42,582,436 km (0.053 R)
• M29: 43,560,506 km (0.079 R)
• M30: 44,055,077 km (0.118 R)
• M31: 45,730,723 km (0.063 R)
• M32: 51,377,444 km (0.106 R)
• M33: 53,420,951 km (0.081 R)
• M34: 55,517,864 km (0.062 R)
• M35: 58,265,229 km (0.077 R)
• M36: 58,464,793 km (0.089 R)
• M37: 59,267,984 km (0.115 R)
• M38: 71,068,114 km (0.054 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 12,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit