🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.48 AU - 0.68 AU

Year: 290 Days

Day: 23.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.7

Radius: 13.1

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.96 AU - 1.16 AU

Year: 716 Days

Day: 11.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,914,575 km

• M1: 165,306 km (0.079 R)
• M2: 664,514 km (0.108 R)
• M3: 1,078,002 km (0.1 R)
• M4: 1,600,248 km (0.071 R)
• M5: 2,100,952 km (0.094 R)
• M6: 2,970,116 km (0.08 R)
• M7: 3,810,108 km (0.085 R)
• M8: 4,238,706 km (0.109 R)
• M9: 4,682,713 km (0.103 R)
• M10: 5,665,122 km (0.106 R)
• M11: 7,554,543 km (0.109 R)
• M12: 8,336,341 km (0.091 R)
• M13: 8,930,993 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.9

Radius: 12

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.36 AU - 1.86 AU

Year: 1340 Days

Day: 11.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,914,575 km

• M1: 149,299 km (0.078 R)
• M2: 808,128 km (0.043 R)
• M3: 1,273,826 km (0.064 R)
• M4: 1,838,109 km (0.091 R)
• M5: 2,260,274 km (0.12 R)
• M6: 2,655,213 km (0.12 R)
• M7: 3,381,510 km (0.086 R)
• M8: 3,800,534 km (0.117 R)
• M9: 5,043,692 km (0.087 R)
• M10: 5,593,315 km (0.03 R)
• M11: 5,974,041 km (0.119 R)
• M12: 7,274,047 km (0.102 R)
• M13: 7,674,221 km (0.098 R)
• M14: 8,903,916 km (0.074 R)
• M15: 9,331,466 km (0.117 R)
• M16: 10,096,211 km (0.102 R)
• M17: 10,833,579 km (0.086 R)
• M18: 11,463,236 km (0.093 R)
• M19: 12,006,576 km (0.071 R)
• M20: 12,453,424 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.8

Radius: 8.2

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.59 AU - 5.19 AU

Year: 6034 Days

Day: 12.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,914,575 km

• M1: 103,223 km (0.111 R)
• M2: 562,039 km (0.057 R)
• M3: 1,737,579 km (0.099 R)
• M4: 2,114,865 km (0.096 R)
• M5: 2,755,742 km (0.079 R)
• M6: 3,151,429 km (0.055 R)
• M7: 3,917,669 km (0.077 R)
• M8: 4,698,121 km (0.106 R)
• M9: 5,755,030 km (0.034 R)
• M10: 6,861,606 km (0.104 R)
• M11: 7,844,314 km (0.074 R)
• M12: 8,679,968 km (0.042 R)
• M13: 10,217,235 km (0.06 R)
• M14: 10,707,318 km (0.11 R)
• M15: 12,222,595 km (0.084 R)
• M16: 17,430,097 km (0.1 R)
• M17: 20,411,732 km (0.084 R)
• M18: 21,332,507 km (0.072 R)
• M19: 23,029,246 km (0.026 R)
• M20: 26,605,682 km (0.109 R)
• M21: 28,920,260 km (0.096 R)
• M22: 30,535,768 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.2

Radius: 11.7

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.66 AU - 5.04 AU

Year: 7007 Days

Day: 11.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 24,914,575 km

• M1: 145,559 km (0.12 R)
• M2: 543,040 km (0.061 R)
• M3: 1,558,361 km (0.101 R)
• M4: 2,395,062 km (0.089 R)
• M5: 4,158,222 km (0.117 R)
• M6: 5,726,307 km (0.101 R)
• M7: 6,164,928 km (0.117 R)
• M8: 8,149,045 km (0.119 R)
• M9: 10,627,134 km (0.09 R)
• M10: 11,187,527 km (0.045 R)
• M11: 11,983,537 km (0.069 R)
• M12: 14,108,575 km (0.113 R)
• M13: 17,856,899 km (0.079 R)
• M14: 19,541,371 km (0.105 R)
• M15: 20,305,966 km (0.055 R)
• M16: 20,695,669 km (0.064 R)
• M17: 22,470,049 km (0.109 R)
• M18: 23,224,321 km (0.042 R)
• M19: 24,431,277 km (0.117 R)
• M20: 25,318,542 km (0.113 R)
• M21: 28,302,720 km (0.098 R)
• M22: 29,979,862 km (0.061 R)
• M23: 32,247,467 km (0.097 R)
• M24: 33,423,156 km (0.116 R)
• M25: 35,072,174 km (0.087 R)
• M26: 36,659,407 km (0.118 R)
• M27: 40,221,332 km (0.09 R)
• M28: 41,333,293 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.7

Radius: 14

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.59 AU - 6.81 AU

Year: 8927 Days

Day: 13.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,914,575 km

• M1: 206,146 km (0.095 R)
• M2: 650,302 km (0.091 R)
• M3: 1,146,518 km (0.114 R)
• M4: 1,687,314 km (0.098 R)
• M5: 2,339,561 km (0.085 R)
• M6: 5,491,439 km (0.032 R)
• M7: 5,929,012 km (0.11 R)
• M8: 7,286,912 km (0.028 R)
• M9: 8,022,186 km (0.111 R)
• M10: 9,370,063 km (0.057 R)
• M11: 14,995,541 km (0.027 R)
• M12: 21,994,627 km (0.067 R)
• M13: 24,107,098 km (0.087 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 14,203 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit