🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429

Radius: 13.3

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.57 AU - 0.69 AU

Year: 345 Days

Day: 10.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,738,323 km

• M1: 165,455 km (0.042 R)
• M2: 694,433 km (0.112 R)
• M3: 1,201,121 km (0.104 R)
• M4: 1,649,616 km (0.113 R)
• M5: 2,082,103 km (0.115 R)
• M6: 2,862,705 km (0.092 R)
• M7: 3,923,503 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.2

Radius: 9.1

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.82 AU - 2.2 AU

Year: 1967 Days

Day: 7.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,738,323 km

• M1: 113,246 km (0.087 R)
• M2: 448,794 km (0.056 R)
• M3: 873,801 km (0.063 R)
• M4: 1,171,651 km (0.114 R)
• M5: 1,548,637 km (0.108 R)
• M6: 1,958,535 km (0.06 R)
• M7: 2,843,856 km (0.107 R)
• M8: 5,195,235 km (0.088 R)
• M9: 5,548,136 km (0.111 R)
• M10: 6,869,085 km (0.089 R)
• M11: 7,920,310 km (0.065 R)
• M12: 8,678,322 km (0.074 R)
• M13: 9,833,966 km (0.097 R)
• M14: 10,120,296 km (0.067 R)
• M15: 11,012,498 km (0.11 R)
• M16: 11,835,585 km (0.051 R)
• M17: 12,489,627 km (0.059 R)
• M18: 12,910,595 km (0.077 R)
• M19: 13,559,701 km (0.114 R)
• M20: 14,550,936 km (0.12 R)
• M21: 15,349,340 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.7

Radius: 13.3

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.85 AU - 2.37 AU

Year: 2116 Days

Day: 9.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,738,323 km

• M1: 168,597 km (0.117 R)
• M2: 659,128 km (0.06 R)
• M3: 1,218,175 km (0.061 R)
• M4: 1,768,097 km (0.105 R)
• M5: 2,442,335 km (0.036 R)
• M6: 4,230,927 km (0.08 R)
• M7: 5,017,213 km (0.086 R)
• M8: 5,657,193 km (0.072 R)
• M9: 7,383,253 km (0.104 R)
• M10: 8,243,740 km (0.094 R)
• M11: 9,403,722 km (0.117 R)
• M12: 11,420,900 km (0.082 R)
• M13: 12,736,763 km (0.093 R)
• M14: 14,018,517 km (0.112 R)
• M15: 16,540,139 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.2

Radius: 14.7

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.76 AU - 4.1 AU

Year: 4385 Days

Day: 13.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,738,323 km

• M1: 191,934 km (0.073 R)
• M2: 884,722 km (0.095 R)
• M3: 1,373,907 km (0.067 R)
• M4: 1,971,850 km (0.111 R)
• M5: 2,429,918 km (0.103 R)
• M6: 3,226,377 km (0.12 R)
• M7: 4,577,396 km (0.092 R)
• M8: 5,420,978 km (0.109 R)
• M9: 6,366,287 km (0.037 R)
• M10: 9,440,374 km (0.103 R)
• M11: 10,935,604 km (0.047 R)
• M12: 12,537,199 km (0.043 R)
• M13: 13,056,453 km (0.115 R)
• M14: 13,738,171 km (0.1 R)
• M15: 14,494,837 km (0.1 R)
• M16: 15,600,664 km (0.049 R)
• M17: 16,536,399 km (0.106 R)
• M18: 18,159,087 km (0.028 R)
• M19: 20,658,269 km (0.114 R)
• M20: 21,383,968 km (0.115 R)
• M21: 22,677,541 km (0.033 R)
• M22: 23,950,470 km (0.114 R)
• M23: 24,604,511 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.6

Radius: 4.9

Gravity: 20.97 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 8.33 AU - 10.83 AU

Year: 20467 Days

Day: 23.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,738,323 km

• M1: 61,036 km (0.115 R)
• M2: 362,625 km (0.081 R)
• M3: 670,049 km (0.05 R)
• M4: 988,543 km (0.104 R)
• M5: 1,342,940 km (0.034 R)
• M6: 1,525,898 km (0.071 R)
• M7: 2,037,822 km (0.049 R)
• M8: 2,751,554 km (0.07 R)
• M9: 3,794,400 km (0.074 R)
• M10: 4,225,990 km (0.047 R)
• M11: 8,409,943 km (0.059 R)
• M12: 13,515,719 km (0.1 R)
• M13: 18,498,226 km (0.075 R)
• M14: 25,529,774 km (0.115 R)
• M15: 30,768,542 km (0.109 R)
• M16: 40,480,286 km (0.111 R)
• M17: 41,506,677 km (0.079 R)
• M18: 47,060,199 km (0.119 R)
• M19: 57,015,189 km (0.107 R)
• M20: 64,840,953 km (0.116 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 19,627 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit