🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.4 AU - 0.62 AU

Year: 139 Days

Day: 44 Hours

Environment

Temp: 141 °C

Axial Tilt: 23.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.67 AU - 0.69 AU

Year: 215 Days

Day: 36.5 Hours

Environment

Temp: 137 °C

Axial Tilt: 2.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 91,546,345 km

• M1: 43,084 km (0.071 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.76 AU - 0.78 AU

Year: 259 Days

Day: 30.1 Hours

Environment

Temp: 72 °C

Axial Tilt: 35.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 91,546,345 km

• M1: 24,384 km (0.097 R)
• M2: 67,618 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.4

Radius: 13.2

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 7.04 AU - 9.18 AU

Year: 8843 Days

Day: 11 Hours

Environment

Temp: -172 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 91,546,345 km

• M1: 164,258 km (0.107 R)
• M2: 693,536 km (0.065 R)
• M3: 1,656,048 km (0.089 R)
• M4: 2,784,016 km (0.075 R)
• M5: 3,316,136 km (0.11 R)
• M6: 4,294,057 km (0.115 R)
• M7: 6,745,966 km (0.037 R)
• M8: 7,520,285 km (0.069 R)
• M9: 9,603,136 km (0.112 R)
• M10: 12,257,900 km (0.103 R)
• M11: 14,338,208 km (0.088 R)
• M12: 14,999,730 km (0.096 R)
• M13: 15,555,935 km (0.087 R)
• M14: 17,106,965 km (0.111 R)
• M15: 18,196,786 km (0.107 R)
• M16: 18,901,093 km (0.101 R)
• M17: 22,941,731 km (0.116 R)
• M18: 24,776,549 km (0.1 R)
• M19: 26,348,823 km (0.045 R)
• M20: 27,159,643 km (0.076 R)
• M21: 29,211,378 km (0.097 R)
• M22: 31,164,677 km (0.082 R)
• M23: 35,329,781 km (0.095 R)
• M24: 37,545,475 km (0.095 R)
• M25: 38,457,274 km (0.048 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.6

Radius: 7.6

Gravity: 10.87 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 13.83 AU - 20.79 AU

Year: 27575 Days

Day: 19.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,546,345 km

• M1: 94,546 km (0.056 R)
• M2: 367,562 km (0.118 R)
• M3: 2,279,124 km (0.09 R)
• M4: 3,292,200 km (0.111 R)
• M5: 7,016,290 km (0.082 R)
• M6: 13,027,731 km (0.041 R)
• M7: 16,069,055 km (0.036 R)
• M8: 18,876,858 km (0.058 R)
• M9: 20,145,896 km (0.118 R)
• M10: 22,314,617 km (0.064 R)
• M11: 25,911,398 km (0.112 R)
• M12: 30,662,776 km (0.074 R)
• M13: 36,258,784 km (0.094 R)
• M14: 37,303,426 km (0.076 R)
• M15: 42,994,278 km (0.036 R)
• M16: 45,355,232 km (0.103 R)
• M17: 45,699,457 km (0.1 R)
• M18: 57,455,157 km (0.066 R)
• M19: 63,270,026 km (0.083 R)
• M20: 71,074,996 km (0.11 R)
• M21: 82,020,773 km (0.034 R)
• M22: 91,546,417 km (0.081 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 20,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit