🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.68 AU - 0.9 AU

Year: 260 Days

Day: 46.4 Hours

Environment

Temp: 90 °C

Axial Tilt: 118.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,184,123 km

• M1: 528,978 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.06 AU - 3 AU

Year: 1492 Days

Day: 46 Hours

Environment

Temp: -92 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.93 AU - 4.75 AU

Year: 3353 Days

Day: 44 Hours

Environment

Temp: -141 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.2

Radius: 14.7

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.26 AU - 6.2 AU

Year: 4436 Days

Day: 9.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 68 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,184,123 km

• M1: 182,809 km (0.038 R)
• M2: 1,314,816 km (0.106 R)
• M3: 2,493,198 km (0.039 R)
• M4: 3,102,361 km (0.057 R)
• M5: 3,568,208 km (0.096 R)
• M6: 5,901,935 km (0.084 R)
• M7: 8,529,323 km (0.085 R)
• M8: 8,998,312 km (0.051 R)
• M9: 9,734,333 km (0.111 R)
• M10: 11,431,820 km (0.038 R)
• M11: 12,222,296 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.5

Radius: 13.3

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.58 AU - 6.14 AU

Year: 5261 Days

Day: 13.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,184,123 km

• M1: 165,754 km (0.05 R)
• M2: 691,890 km (0.064 R)
• M3: 2,504,717 km (0.055 R)
• M4: 3,445,089 km (0.111 R)
• M5: 4,129,649 km (0.11 R)
• M6: 5,069,124 km (0.1 R)
• M7: 6,082,799 km (0.093 R)
• M8: 7,926,892 km (0.094 R)
• M9: 11,525,768 km (0.056 R)
• M10: 12,794,507 km (0.083 R)
• M11: 14,210,601 km (0.102 R)
• M12: 19,017,031 km (0.113 R)
• M13: 20,712,573 km (0.091 R)
• M14: 21,151,793 km (0.082 R)
• M15: 21,672,094 km (0.072 R)
• M16: 24,811,106 km (0.077 R)
• M17: 31,013,135 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.1

Radius: 12

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.44 AU - 6.94 AU

Year: 5711 Days

Day: 10.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,184,123 km

• M1: 149,448 km (0.081 R)
• M2: 584,329 km (0.066 R)
• M3: 1,194,240 km (0.083 R)
• M4: 1,650,214 km (0.056 R)
• M5: 2,656,858 km (0.116 R)
• M6: 3,404,848 km (0.108 R)
• M7: 5,409,459 km (0.116 R)
• M8: 6,038,817 km (0.08 R)
• M9: 7,331,642 km (0.103 R)
• M10: 10,553,681 km (0.065 R)
• M11: 10,940,242 km (0.117 R)
• M12: 11,741,787 km (0.098 R)
• M13: 12,474,817 km (0.09 R)
• M14: 12,907,304 km (0.047 R)
• M15: 14,678,393 km (0.105 R)
• M16: 19,121,899 km (0.107 R)
• M17: 19,624,997 km (0.12 R)
• M18: 22,195,088 km (0.107 R)
• M19: 24,306,213 km (0.107 R)
• M20: 25,238,507 km (0.076 R)
• M21: 27,084,246 km (0.074 R)
• M22: 28,363,756 km (0.06 R)
• M23: 28,830,352 km (0.037 R)
• M24: 29,492,323 km (0.092 R)
• M25: 29,874,994 km (0.045 R)
• M26: 33,782,490 km (0.109 R)
• M27: 34,306,831 km (0.089 R)
• M28: 36,679,154 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487

Radius: 12.9

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.41 AU - 12.01 AU

Year: 12099 Days

Day: 13.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,184,123 km

• M1: 160,519 km (0.103 R)
• M2: 1,061,397 km (0.106 R)
• M3: 1,493,884 km (0.091 R)
• M4: 2,131,321 km (0.115 R)
• M5: 3,448,530 km (0.112 R)
• M6: 4,009,672 km (0.113 R)
• M7: 5,448,055 km (0.046 R)
• M8: 6,582,606 km (0.103 R)
• M9: 7,826,362 km (0.083 R)
• M10: 8,526,779 km (0.104 R)
• M11: 8,938,922 km (0.103 R)
• M12: 13,212,185 km (0.096 R)
• M13: 13,827,780 km (0.104 R)
• M14: 15,182,837 km (0.093 R)
• M15: 15,721,689 km (0.037 R)
• M16: 19,620,359 km (0.086 R)
• M17: 20,260,040 km (0.088 R)
• M18: 20,996,360 km (0.115 R)
• M19: 21,497,064 km (0.07 R)
• M20: 22,349,323 km (0.104 R)
• M21: 23,580,065 km (0.09 R)
• M22: 25,041,487 km (0.063 R)
• M23: 26,176,635 km (0.08 R)
• M24: 27,444,627 km (0.074 R)
• M25: 29,061,032 km (0.101 R)
• M26: 29,787,928 km (0.089 R)
• M27: 31,603,448 km (0.038 R)
• M28: 34,753,081 km (0.048 R)
• M29: 36,164,836 km (0.107 R)
• M30: 39,228,302 km (0.103 R)
• M31: 41,669,440 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.6

Radius: 5.1

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 14.54 AU - 17.42 AU

Year: 23690 Days

Day: 17.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,184,123 km

• M1: 63,429 km (0.117 R)
• M2: 254,466 km (0.116 R)
• M3: 419,921 km (0.063 R)
• M4: 588,967 km (0.063 R)
• M5: 814,112 km (0.071 R)
• M6: 2,127,282 km (0.086 R)
• M7: 2,364,394 km (0.072 R)
• M8: 7,179,950 km (0.085 R)
• M9: 7,714,613 km (0.083 R)
• M10: 8,713,478 km (0.101 R)
• M11: 12,099,625 km (0.073 R)
• M12: 20,862,021 km (0.062 R)
• M13: 21,399,975 km (0.066 R)
• M14: 22,223,960 km (0.084 R)
• M15: 24,228,722 km (0.076 R)
• M16: 31,777,879 km (0.075 R)
• M17: 37,377,327 km (0.09 R)
• M18: 48,734,648 km (0.114 R)
• M19: 49,998,750 km (0.092 R)
• M20: 58,752,769 km (0.057 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 14,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit