🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.57 AU - 0.59 AU

Year: 157 Days

Day: 16.7 Hours

Environment

Temp: 242 °C

Axial Tilt: 20.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.67 AU - 0.67 AU

Year: 195 Days

Day: 14.1 Hours

Environment

Temp: 146 °C

Axial Tilt: 40 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 79,470,441 km

• M1: 28,872 km (0.084 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.62 AU - 0.89 AU

Year: 230 Days

Day: 27 Hours

Environment

Temp: 126 °C

Axial Tilt: 12 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.78 AU - 1.16 AU

Year: 339 Days

Day: 42.1 Hours

Environment

Temp: 154 °C

Axial Tilt: 21.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1 AU - 1.1 AU

Year: 382 Days

Day: 25.7 Hours

Environment

Temp: 134 °C

Axial Tilt: 15.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Ice Giant

Semi-Major Axis: 15.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819.8

Radius: 6

Gravity: 22.77 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 11.93 AU - 19.35 AU

Year: 21943 Days

Day: 16.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 79,470,441 km

• M1: 75,098 km (0.1 R)
• M2: 341,831 km (0.119 R)
• M3: 701,464 km (0.063 R)
• M4: 1,306,588 km (0.106 R)
• M5: 1,532,032 km (0.097 R)
• M6: 2,861,807 km (0.034 R)
• M7: 3,360,716 km (0.07 R)
• M8: 3,693,123 km (0.089 R)
• M9: 5,012,576 km (0.098 R)
• M10: 5,863,189 km (0.096 R)
• M11: 7,141,952 km (0.055 R)
• M12: 7,438,455 km (0.049 R)
• M13: 8,819,243 km (0.113 R)
• M14: 9,930,606 km (0.112 R)
• M15: 10,936,352 km (0.067 R)
• M16: 11,598,473 km (0.102 R)
• M17: 12,712,977 km (0.111 R)
• M18: 13,897,193 km (0.114 R)
• M19: 14,594,619 km (0.117 R)
• M20: 15,560,423 km (0.068 R)
• M21: 16,740,451 km (0.091 R)
• M22: 17,529,729 km (0.099 R)
• M23: 18,527,846 km (0.106 R)
• M24: 25,667,554 km (0.119 R)
• M25: 32,121,655 km (0.113 R)
• M26: 34,726,303 km (0.115 R)
• M27: 39,272,433 km (0.105 R)
• M28: 40,663,095 km (0.106 R)
• M29: 47,069,474 km (0.099 R)
• M30: 47,762,262 km (0.083 R)
• M31: 52,431,959 km (0.109 R)
• M32: 53,739,295 km (0.076 R)
• M33: 56,808,744 km (0.083 R)
• M34: 57,791,453 km (0.094 R)
• M35: 66,064,364 km (0.088 R)
• M36: 70,256,546 km (0.08 R)
• M37: 72,993,588 km (0.086 R)
• M38: 73,456,444 km (0.097 R)
• M39: 85,420,384 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.2

Radius: 7.4

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 15.53 AU - 23.29 AU

Year: 30337 Days

Day: 24.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,470,441 km

• M1: 93,349 km (0.106 R)
• M2: 329,115 km (0.042 R)
• M3: 727,046 km (0.068 R)
• M4: 960,568 km (0.099 R)
• M5: 1,519,615 km (0.051 R)
• M6: 2,668,826 km (0.1 R)
• M7: 3,673,376 km (0.102 R)
• M8: 3,951,927 km (0.106 R)
• M9: 5,096,351 km (0.106 R)
• M10: 6,716,496 km (0.079 R)
• M11: 8,228,631 km (0.084 R)
• M12: 10,254,336 km (0.117 R)
• M13: 10,621,598 km (0.12 R)
• M14: 14,032,131 km (0.111 R)
• M15: 14,561,408 km (0.115 R)
• M16: 15,103,999 km (0.119 R)
• M17: 15,983,784 km (0.115 R)
• M18: 18,466,212 km (0.111 R)
• M19: 20,609,351 km (0.035 R)
• M20: 22,194,490 km (0.074 R)
• M21: 24,504,580 km (0.114 R)
• M22: 28,622,710 km (0.093 R)
• M23: 28,985,335 km (0.046 R)
• M24: 30,971,546 km (0.06 R)
• M25: 35,629,575 km (0.104 R)
• M26: 37,041,480 km (0.106 R)
• M27: 45,808,514 km (0.072 R)
• M28: 48,496,937 km (0.079 R)
• M29: 51,111,309 km (0.107 R)
• M30: 51,824,143 km (0.038 R)
• M31: 52,543,410 km (0.093 R)
• M32: 54,741,302 km (0.103 R)
• M33: 57,766,171 km (0.11 R)
• M34: 62,307,064 km (0.116 R)
• M35: 62,712,774 km (0.075 R)
• M36: 63,734,826 km (0.066 R)

Kuiper Belt

Range: 30.9 - 50.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 15,097 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit