🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.8 AU - 0.88 AU

Year: 276 Days

Day: 22.4 Hours

Environment

Temp: 180 °C

Axial Tilt: 31.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 48,468,302 km

• M1: 128,355 km (0.037 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.65 AU - 2.27 AU

Year: 983 Days

Day: 14.3 Hours

Environment

Temp: -66 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.5

Radius: 9.5

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.5 AU - 9.88 AU

Year: 8395 Days

Day: 11.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,468,302 km

• M1: 118,182 km (0.079 R)
• M2: 465,100 km (0.119 R)
• M3: 780,302 km (0.087 R)
• M4: 2,118,904 km (0.108 R)
• M5: 2,530,448 km (0.105 R)
• M6: 2,994,949 km (0.088 R)
• M7: 3,335,584 km (0.105 R)
• M8: 5,054,014 km (0.09 R)
• M9: 5,508,044 km (0.119 R)
• M10: 5,955,940 km (0.064 R)
• M11: 7,071,940 km (0.086 R)
• M12: 8,117,180 km (0.065 R)
• M13: 8,912,293 km (0.111 R)
• M14: 10,367,731 km (0.102 R)
• M15: 10,706,121 km (0.108 R)
• M16: 14,932,261 km (0.103 R)
• M17: 16,124,406 km (0.11 R)
• M18: 16,710,681 km (0.086 R)
• M19: 17,042,489 km (0.12 R)
• M20: 19,932,121 km (0.101 R)
• M21: 20,531,709 km (0.118 R)
• M22: 22,083,338 km (0.077 R)
• M23: 23,215,196 km (0.119 R)
• M24: 26,035,116 km (0.108 R)
• M25: 26,481,516 km (0.118 R)
• M26: 28,412,076 km (0.098 R)
• M27: 33,592,950 km (0.045 R)
• M28: 34,549,329 km (0.062 R)
• M29: 36,739,442 km (0.112 R)
• M30: 38,097,043 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.1

Radius: 12.7

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 10.41 AU - 12.99 AU

Year: 14334 Days

Day: 10.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,468,302 km

• M1: 188,194 km (0.115 R)
• M2: 2,524,165 km (0.078 R)
• M3: 5,714,040 km (0.11 R)
• M4: 14,225,411 km (0.042 R)
• M5: 15,677,408 km (0.092 R)
• M6: 20,852,148 km (0.09 R)
• M7: 25,388,105 km (0.025 R)
• M8: 29,863,176 km (0.11 R)
• M9: 36,136,114 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587

Radius: 7.5

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 12.15 AU - 13.61 AU

Year: 16556 Days

Day: 19.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,468,302 km

• M1: 93,349 km (0.093 R)
• M2: 502,649 km (0.113 R)
• M3: 1,185,862 km (0.112 R)
• M4: 1,710,053 km (0.099 R)
• M5: 2,081,804 km (0.113 R)
• M6: 2,317,869 km (0.101 R)
• M7: 2,891,876 km (0.076 R)
• M8: 3,342,166 km (0.107 R)
• M9: 3,639,716 km (0.041 R)
• M10: 4,134,586 km (0.101 R)
• M11: 4,478,212 km (0.119 R)
• M12: 6,490,154 km (0.071 R)
• M13: 9,194,884 km (0.079 R)
• M14: 11,206,676 km (0.106 R)
• M15: 11,568,403 km (0.079 R)
• M16: 14,112,465 km (0.094 R)
• M17: 14,964,724 km (0.071 R)
• M18: 17,007,184 km (0.081 R)
• M19: 22,577,011 km (0.115 R)
• M20: 29,479,906 km (0.08 R)
• M21: 30,518,414 km (0.114 R)
• M22: 36,340,464 km (0.081 R)
• M23: 40,843,809 km (0.098 R)
• M24: 45,705,441 km (0.103 R)
• M25: 48,037,372 km (0.108 R)
• M26: 50,121,719 km (0.113 R)
• M27: 55,856,404 km (0.058 R)
• M28: 57,266,514 km (0.093 R)
• M29: 59,608,468 km (0.066 R)
• M30: 61,826,257 km (0.107 R)
• M31: 62,201,149 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.4

Radius: 6.3

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 11.39 AU - 14.47 AU

Year: 16652 Days

Day: 16.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,468,302 km

• M1: 80,783 km (0.075 R)
• M2: 337,642 km (0.116 R)
• M3: 546,032 km (0.096 R)
• M4: 871,258 km (0.101 R)
• M5: 1,117,945 km (0.041 R)
• M6: 1,333,366 km (0.083 R)
• M7: 1,576,462 km (0.07 R)
• M8: 1,897,649 km (0.071 R)
• M9: 3,083,362 km (0.102 R)
• M10: 3,536,942 km (0.084 R)
• M11: 4,228,533 km (0.04 R)
• M12: 4,429,294 km (0.041 R)
• M13: 4,757,811 km (0.074 R)
• M14: 5,166,811 km (0.098 R)
• M15: 6,882,400 km (0.092 R)
• M16: 8,129,298 km (0.103 R)
• M17: 8,667,701 km (0.071 R)
• M18: 9,182,018 km (0.116 R)
• M19: 10,426,373 km (0.101 R)
• M20: 19,607,793 km (0.11 R)
• M21: 24,484,235 km (0.115 R)
• M22: 25,510,027 km (0.108 R)
• M23: 25,890,155 km (0.115 R)
• M24: 26,370,514 km (0.115 R)
• M25: 30,749,842 km (0.116 R)
• M26: 32,495,799 km (0.089 R)
• M27: 38,376,791 km (0.09 R)
• M28: 39,001,212 km (0.113 R)
• M29: 40,014,289 km (0.078 R)
• M30: 40,527,410 km (0.119 R)
• M31: 42,092,951 km (0.079 R)

Kuiper Belt

Range: 30.6 - 47.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 17,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit