🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.1

Radius: 12.6

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.61 AU - 0.85 AU

Year: 416 Days

Day: 6.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 32,869,317 km

• M1: 158,275 km (0.076 R)
• M2: 611,257 km (0.05 R)
• M3: 1,155,793 km (0.065 R)
• M4: 2,138,202 km (0.051 R)
• M5: 2,558,423 km (0.116 R)
• M6: 4,605,670 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.1

Radius: 9.1

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.59 AU - 0.87 AU

Year: 416 Days

Day: 7.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,869,317 km

• M1: 113,246 km (0.086 R)
• M2: 419,173 km (0.072 R)
• M3: 776,862 km (0.057 R)
• M4: 1,244,654 km (0.075 R)
• M5: 1,688,661 km (0.063 R)
• M6: 2,063,403 km (0.099 R)
• M7: 2,699,942 km (0.094 R)
• M8: 3,558,485 km (0.058 R)
• M9: 4,071,306 km (0.07 R)
• M10: 4,795,809 km (0.11 R)
• M11: 5,102,484 km (0.119 R)
• M12: 5,587,032 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140

Radius: 8.3

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.72 AU - 0.84 AU

Year: 459 Days

Day: 12.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,869,317 km

• M1: 103,223 km (0.089 R)
• M2: 423,811 km (0.093 R)
• M3: 711,188 km (0.119 R)
• M4: 991,385 km (0.078 R)
• M5: 1,299,706 km (0.092 R)
• M6: 1,635,554 km (0.079 R)
• M7: 1,918,144 km (0.064 R)
• M8: 2,226,016 km (0.108 R)
• M9: 2,617,065 km (0.085 R)
• M10: 2,914,915 km (0.104 R)
• M11: 3,206,331 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.8

Radius: 10.5

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.24 AU - 1.94 AU

Year: 1337 Days

Day: 7.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,869,317 km

• M1: 136,433 km (0.028 R)
• M2: 504,294 km (0.12 R)
• M3: 1,013,077 km (0.103 R)
• M4: 1,404,275 km (0.068 R)
• M5: 2,057,719 km (0.066 R)
• M6: 3,875,034 km (0.12 R)
• M7: 5,546,191 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.3

Radius: 13.6

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.8 AU - 4.4 AU

Year: 5536 Days

Day: 6.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,869,317 km

• M1: 170,841 km (0.087 R)
• M2: 912,697 km (0.038 R)
• M3: 1,416,093 km (0.067 R)
• M4: 2,067,443 km (0.092 R)
• M5: 7,858,227 km (0.096 R)
• M6: 8,436,273 km (0.115 R)
• M7: 9,338,198 km (0.086 R)
• M8: 10,184,025 km (0.115 R)
• M9: 11,206,526 km (0.04 R)
• M10: 15,565,958 km (0.072 R)
• M11: 18,062,746 km (0.117 R)
• M12: 19,498,437 km (0.088 R)
• M13: 20,055,839 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.8

Radius: 11.7

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.08 AU - 4.42 AU

Year: 5843 Days

Day: 6.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,869,317 km

• M1: 145,559 km (0.11 R)
• M2: 694,882 km (0.088 R)
• M3: 1,317,957 km (0.102 R)
• M4: 2,496,489 km (0.045 R)
• M5: 3,358,472 km (0.053 R)
• M6: 4,053,055 km (0.104 R)
• M7: 5,272,278 km (0.111 R)
• M8: 7,296,337 km (0.12 R)
• M9: 7,942,600 km (0.116 R)
• M10: 9,883,931 km (0.072 R)
• M11: 12,019,441 km (0.088 R)
• M12: 12,651,642 km (0.094 R)
• M13: 14,097,655 km (0.103 R)
• M14: 14,563,951 km (0.096 R)
• M15: 17,249,233 km (0.087 R)
• M16: 17,918,235 km (0.072 R)
• M17: 21,525,338 km (0.116 R)
• M18: 22,144,374 km (0.103 R)
• M19: 23,175,403 km (0.11 R)
• M20: 25,504,343 km (0.075 R)
• M21: 26,725,660 km (0.117 R)
• M22: 28,260,384 km (0.116 R)
• M23: 34,462,413 km (0.095 R)
• M24: 36,279,428 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221

Radius: 6.1

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6 AU - 6.16 AU

Year: 9997 Days

Day: 19.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 32,869,317 km

• M1: 75,996 km (0.088 R)
• M2: 379,530 km (0.065 R)
• M3: 582,085 km (0.097 R)
• M4: 1,657,395 km (0.093 R)
• M5: 2,946,180 km (0.11 R)
• M6: 3,185,238 km (0.074 R)
• M7: 3,679,958 km (0.063 R)
• M8: 4,274,161 km (0.118 R)
• M9: 4,529,076 km (0.109 R)
• M10: 5,472,589 km (0.096 R)
• M11: 5,712,395 km (0.061 R)
• M12: 6,375,412 km (0.074 R)
• M13: 7,230,364 km (0.12 R)
• M14: 7,482,736 km (0.103 R)
• M15: 8,159,217 km (0.066 R)
• M16: 8,354,143 km (0.036 R)
• M17: 8,916,482 km (0.091 R)
• M18: 9,546,738 km (0.099 R)
• M19: 10,027,545 km (0.071 R)
• M20: 10,570,137 km (0.049 R)
• M21: 11,912,478 km (0.093 R)
• M22: 12,572,803 km (0.116 R)
• M23: 14,021,509 km (0.053 R)
• M24: 14,301,556 km (0.067 R)
• M25: 16,866,113 km (0.046 R)
• M26: 17,119,232 km (0.109 R)
• M27: 17,374,895 km (0.059 R)
• M28: 18,894,660 km (0.104 R)
• M29: 21,447,847 km (0.071 R)
• M30: 22,044,892 km (0.111 R)
• M31: 23,744,024 km (0.039 R)
• M32: 25,197,667 km (0.094 R)
• M33: 25,445,551 km (0.058 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 16,937 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit