🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364

Radius: 12

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.45 AU - 0.67 AU

Year: 289 Days

Day: 11.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,510,915 km

• M1: 149,299 km (0.116 R)
• M2: 522,994 km (0.051 R)
• M3: 973,433 km (0.12 R)
• M4: 1,520,064 km (0.07 R)
• M5: 1,979,928 km (0.106 R)
• M6: 2,548,849 km (0.061 R)
• M7: 3,129,587 km (0.119 R)
• M8: 3,554,296 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.4

Radius: 12

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.6 AU - 0.68 AU

Year: 353 Days

Day: 8.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 37,510,915 km

• M1: 149,299 km (0.111 R)
• M2: 844,330 km (0.065 R)
• M3: 1,388,119 km (0.09 R)
• M4: 1,883,138 km (0.095 R)
• M5: 2,502,922 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.3

Radius: 13.9

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.82 AU - 0.84 AU

Year: 522 Days

Day: 8.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,510,915 km

• M1: 172,935 km (0.041 R)
• M2: 1,207,105 km (0.111 R)
• M3: 2,090,181 km (0.076 R)
• M4: 2,992,556 km (0.104 R)
• M5: 3,637,173 km (0.108 R)
• M6: 4,614,496 km (0.055 R)
• M7: 6,545,655 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.9

Radius: 12.6

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.97 AU - 2.63 AU

Year: 2408 Days

Day: 8.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 52.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,510,915 km

• M1: 156,928 km (0.085 R)
• M2: 786,586 km (0.098 R)
• M3: 1,524,851 km (0.119 R)
• M4: 1,963,023 km (0.1 R)
• M5: 2,473,750 km (0.063 R)
• M6: 3,524,376 km (0.109 R)
• M7: 4,395,185 km (0.101 R)
• M8: 5,818,310 km (0.062 R)
• M9: 7,907,594 km (0.114 R)
• M10: 9,397,439 km (0.099 R)
• M11: 11,380,957 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.7

Radius: 12

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.01 AU - 4.11 AU

Year: 5647 Days

Day: 7.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,510,915 km

• M1: 149,299 km (0.042 R)
• M2: 524,640 km (0.112 R)
• M3: 1,222,514 km (0.055 R)
• M4: 1,797,867 km (0.112 R)
• M5: 2,241,574 km (0.025 R)
• M6: 2,617,664 km (0.12 R)
• M7: 3,585,263 km (0.082 R)
• M8: 4,128,004 km (0.074 R)
• M9: 4,647,407 km (0.1 R)
• M10: 6,734,896 km (0.107 R)
• M11: 7,709,077 km (0.108 R)
• M12: 8,975,124 km (0.08 R)
• M13: 9,679,281 km (0.092 R)
• M14: 11,244,823 km (0.105 R)
• M15: 12,211,824 km (0.073 R)
• M16: 13,927,711 km (0.076 R)
• M17: 14,478,082 km (0.061 R)
• M18: 17,640,880 km (0.098 R)
• M19: 18,220,273 km (0.057 R)
• M20: 18,745,960 km (0.12 R)
• M21: 22,189,553 km (0.072 R)
• M22: 23,476,843 km (0.084 R)
• M23: 23,942,840 km (0.113 R)
• M24: 28,157,012 km (0.089 R)
• M25: 29,305,475 km (0.114 R)
• M26: 30,484,904 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.9

Radius: 4.8

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6 AU - 7 AU

Year: 11439 Days

Day: 20.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 37,510,915 km

• M1: 69,114 km (0.095 R)
• M2: 320,588 km (0.06 R)
• M3: 509,381 km (0.107 R)
• M4: 740,958 km (0.072 R)
• M5: 1,518,718 km (0.084 R)
• M6: 1,763,759 km (0.098 R)
• M7: 3,142,453 km (0.091 R)
• M8: 3,472,466 km (0.098 R)
• M9: 3,825,218 km (0.057 R)
• M10: 4,629,605 km (0.095 R)
• M11: 5,115,798 km (0.101 R)
• M12: 5,325,684 km (0.03 R)
• M13: 5,509,989 km (0.116 R)
• M14: 5,891,613 km (0.118 R)
• M15: 7,480,791 km (0.089 R)
• M16: 7,948,584 km (0.067 R)
• M17: 8,149,194 km (0.05 R)
• M18: 8,644,363 km (0.115 R)
• M19: 10,109,226 km (0.107 R)
• M20: 13,294,763 km (0.103 R)
• M21: 13,864,282 km (0.085 R)
• M22: 15,545,463 km (0.066 R)
• M23: 16,306,018 km (0.116 R)
• M24: 20,259,142 km (0.117 R)
• M25: 22,257,171 km (0.078 R)
• M26: 22,978,383 km (0.069 R)
• M27: 23,222,227 km (0.114 R)
• M28: 23,385,588 km (0.102 R)
• M29: 23,797,730 km (0.113 R)
• M30: 24,977,459 km (0.053 R)
• M31: 28,096,126 km (0.098 R)
• M32: 30,378,540 km (0.037 R)
• M33: 31,464,920 km (0.068 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 13,681 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit