🌌 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: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.53 AU - 0.59 AU

Year: 160 Days

Day: 23.2 Hours

Environment

Temp: 147 °C

Axial Tilt: 46.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 53,991,147 km

• M1: 42,635 km (0.103 R)
• M2: 309,817 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.28 AU - 1.5 AU

Year: 627 Days

Day: 14.7 Hours

Environment

Temp: -52 °C

Axial Tilt: 46.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.04 AU - 2.8 AU

Year: 1441 Days

Day: 14.9 Hours

Environment

Temp: -96 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.3

Radius: 11.3

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.54 AU - 6.66 AU

Year: 5074 Days

Day: 15 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,991,147 km

• M1: 140,921 km (0.062 R)
• M2: 1,343,688 km (0.112 R)
• M3: 2,193,105 km (0.118 R)
• M4: 2,546,455 km (0.104 R)
• M5: 3,618,922 km (0.082 R)
• M6: 4,191,583 km (0.088 R)
• M7: 4,660,123 km (0.069 R)
• M8: 5,120,137 km (0.081 R)
• M9: 5,843,293 km (0.111 R)
• M10: 7,577,581 km (0.079 R)
• M11: 8,670,842 km (0.076 R)
• M12: 9,207,001 km (0.076 R)
• M13: 12,072,249 km (0.068 R)
• M14: 13,146,661 km (0.103 R)
• M15: 14,721,178 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.3

Radius: 10

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.45 AU - 7.07 AU

Year: 5293 Days

Day: 11.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,991,147 km

• M1: 124,316 km (0.1 R)
• M2: 443,109 km (0.115 R)
• M3: 827,575 km (0.096 R)
• M4: 1,200,074 km (0.096 R)
• M5: 2,396,259 km (0.12 R)
• M6: 3,870,247 km (0.115 R)
• M7: 5,275,419 km (0.066 R)
• M8: 7,495,153 km (0.071 R)
• M9: 8,058,089 km (0.066 R)
• M10: 11,795,792 km (0.084 R)
• M11: 14,463,421 km (0.066 R)
• M12: 14,982,975 km (0.114 R)
• M13: 16,120,816 km (0.102 R)
• M14: 21,549,723 km (0.095 R)
• M15: 22,000,162 km (0.104 R)
• M16: 29,719,412 km (0.062 R)
• M17: 31,994,945 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.4

Radius: 10

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.17 AU - 10.35 AU

Year: 9927 Days

Day: 11.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,991,147 km

• M1: 124,765 km (0.109 R)
• M2: 583,132 km (0.077 R)
• M3: 903,122 km (0.051 R)
• M4: 1,713,644 km (0.074 R)
• M5: 2,037,373 km (0.116 R)
• M6: 2,509,504 km (0.117 R)
• M7: 3,266,170 km (0.114 R)
• M8: 4,566,924 km (0.074 R)
• M9: 6,286,402 km (0.032 R)
• M10: 7,952,174 km (0.082 R)
• M11: 8,567,769 km (0.028 R)
• M12: 9,347,922 km (0.12 R)
• M13: 12,026,771 km (0.083 R)
• M14: 13,116,442 km (0.054 R)
• M15: 13,917,539 km (0.042 R)
• M16: 14,569,636 km (0.116 R)
• M17: 16,714,121 km (0.081 R)
• M18: 23,975,752 km (0.101 R)
• M19: 28,056,482 km (0.103 R)
• M20: 29,577,893 km (0.065 R)
• M21: 32,064,359 km (0.09 R)
• M22: 32,784,822 km (0.089 R)
• M23: 36,997,648 km (0.116 R)
• M24: 38,248,136 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.7

Radius: 9.5

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.89 AU - 9.95 AU

Year: 10200 Days

Day: 8 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,991,147 km

• M1: 118,182 km (0.093 R)
• M2: 521,797 km (0.045 R)
• M3: 1,912,310 km (0.03 R)
• M4: 3,234,306 km (0.042 R)
• M5: 3,931,432 km (0.1 R)
• M6: 4,623,322 km (0.086 R)
• M7: 5,645,973 km (0.116 R)
• M8: 6,373,468 km (0.051 R)
• M9: 7,162,148 km (0.096 R)
• M10: 7,809,906 km (0.1 R)
• M11: 9,583,389 km (0.059 R)
• M12: 13,359,389 km (0.038 R)
• M13: 14,515,781 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.2

Radius: 4.3

Gravity: 12.83 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 11.55 AU - 16.69 AU

Year: 20315 Days

Day: 17.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 53,991,147 km

• M1: 56,249 km (0.084 R)
• M2: 228,286 km (0.102 R)
• M3: 435,180 km (0.091 R)
• M4: 612,304 km (0.112 R)
• M5: 1,302,100 km (0.103 R)
• M6: 1,438,234 km (0.105 R)
• M7: 1,691,653 km (0.109 R)
• M8: 2,830,093 km (0.07 R)
• M9: 3,798,140 km (0.07 R)
• M10: 4,106,910 km (0.096 R)
• M11: 4,616,889 km (0.077 R)
• M12: 5,034,417 km (0.063 R)
• M13: 6,836,174 km (0.076 R)
• M14: 7,250,560 km (0.117 R)
• M15: 8,405,904 km (0.105 R)
• M16: 8,978,565 km (0.086 R)
• M17: 12,661,066 km (0.032 R)
• M18: 14,060,704 km (0.069 R)
• M19: 16,421,657 km (0.117 R)
• M20: 19,440,094 km (0.044 R)
• M21: 25,551,316 km (0.072 R)
• M22: 26,950,954 km (0.097 R)
• M23: 28,085,953 km (0.062 R)
• M24: 28,718,154 km (0.068 R)
• M25: 29,793,014 km (0.083 R)
• M26: 32,828,505 km (0.071 R)
• M27: 33,765,885 km (0.118 R)
• M28: 36,936,013 km (0.112 R)
• M29: 38,334,754 km (0.093 R)
• M30: 46,152,439 km (0.1 R)
• M31: 47,625,081 km (0.115 R)
• M32: 53,507,119 km (0.073 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 11,277 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit