🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447

Radius: 13.5

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.5 AU - 1.68 AU

Year: 1295 Days

Day: 13 Hours

Environment

Temp: -178 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,856,475 km

• M1: 167,849 km (0.103 R)
• M2: 818,151 km (0.083 R)
• M3: 1,318,705 km (0.07 R)
• M4: 1,780,364 km (0.103 R)
• M5: 2,296,627 km (0.049 R)
• M6: 3,504,181 km (0.03 R)
• M7: 4,892,748 km (0.103 R)
• M8: 5,815,617 km (0.058 R)
• M9: 6,330,084 km (0.099 R)
• M10: 6,805,058 km (0.101 R)
• M11: 7,725,533 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.8

Radius: 8.1

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.12 AU - 2.2 AU

Year: 2050 Days

Day: 6.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,856,475 km

• M1: 100,679 km (0.037 R)
• M2: 612,902 km (0.027 R)
• M3: 1,041,351 km (0.108 R)
• M4: 1,380,489 km (0.111 R)
• M5: 2,223,024 km (0.08 R)
• M6: 3,259,588 km (0.065 R)
• M7: 5,002,254 km (0.032 R)
• M8: 5,284,545 km (0.081 R)
• M9: 5,669,909 km (0.078 R)
• M10: 6,049,439 km (0.084 R)
• M11: 6,992,504 km (0.063 R)
• M12: 7,626,051 km (0.046 R)
• M13: 7,971,622 km (0.118 R)
• M14: 10,373,116 km (0.118 R)
• M15: 10,977,941 km (0.08 R)
• M16: 12,974,324 km (0.109 R)
• M17: 14,015,376 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.6

Radius: 12.2

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.87 AU - 4.47 AU

Year: 5498 Days

Day: 11.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,856,475 km

• M1: 151,842 km (0.099 R)
• M2: 569,220 km (0.094 R)
• M3: 1,022,651 km (0.108 R)
• M4: 1,571,825 km (0.09 R)
• M5: 2,125,935 km (0.049 R)
• M6: 3,315,538 km (0.109 R)
• M7: 4,079,235 km (0.039 R)
• M8: 4,732,678 km (0.114 R)
• M9: 5,427,710 km (0.043 R)
• M10: 6,550,741 km (0.109 R)
• M11: 8,032,209 km (0.094 R)
• M12: 9,137,288 km (0.101 R)
• M13: 13,159,676 km (0.086 R)
• M14: 15,890,136 km (0.074 R)
• M15: 18,915,155 km (0.095 R)
• M16: 20,596,485 km (0.09 R)
• M17: 24,180,252 km (0.039 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.9

Radius: 3.4

Gravity: 41.86 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.44 AU - 6.82 AU

Year: 11023 Days

Day: 24.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 59,856,475 km

• M1: 45,029 km (0.104 R)
• M2: 167,101 km (0.091 R)
• M3: 513,719 km (0.108 R)
• M4: 788,082 km (0.067 R)
• M5: 908,508 km (0.095 R)
• M6: 1,878,800 km (0.115 R)
• M7: 2,027,201 km (0.042 R)
• M8: 2,147,926 km (0.055 R)
• M9: 2,955,007 km (0.117 R)
• M10: 3,065,560 km (0.1 R)
• M11: 3,635,527 km (0.082 R)
• M12: 3,866,357 km (0.116 R)
• M13: 4,272,964 km (0.115 R)
• M14: 4,677,327 km (0.048 R)
• M15: 5,234,280 km (0.114 R)
• M16: 6,114,813 km (0.118 R)
• M17: 6,972,308 km (0.116 R)
• M18: 9,247,243 km (0.099 R)
• M19: 9,436,783 km (0.112 R)
• M20: 10,423,082 km (0.046 R)
• M21: 10,888,631 km (0.099 R)
• M22: 11,530,705 km (0.116 R)
• M23: 12,772,666 km (0.119 R)
• M24: 13,066,925 km (0.088 R)
• M25: 13,668,907 km (0.087 R)
• M26: 15,057,923 km (0.111 R)
• M27: 15,320,168 km (0.101 R)
• M28: 22,737,231 km (0.064 R)
• M29: 23,082,353 km (0.038 R)
• M30: 23,871,781 km (0.06 R)
• M31: 26,347,626 km (0.098 R)
• M32: 28,787,866 km (0.039 R)
• M33: 30,530,532 km (0.096 R)
• M34: 31,268,199 km (0.072 R)
• M35: 31,587,890 km (0.119 R)
• M36: 35,596,215 km (0.05 R)
• M37: 41,706,839 km (0.06 R)
• M38: 44,603,503 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.9

Radius: 3.6

Gravity: 33.87 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.63 AU - 10.37 AU

Year: 17433 Days

Day: 16.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,856,475 km

• M1: 44,879 km (0.086 R)
• M2: 328,367 km (0.096 R)
• M3: 516,113 km (0.096 R)
• M4: 753,674 km (0.098 R)
• M5: 3,675,320 km (0.101 R)
• M6: 5,036,212 km (0.081 R)
• M7: 5,828,782 km (0.117 R)
• M8: 6,136,505 km (0.078 R)
• M9: 7,702,046 km (0.058 R)
• M10: 8,650,347 km (0.111 R)
• M11: 9,833,966 km (0.091 R)
• M12: 10,325,245 km (0.1 R)
• M13: 11,775,148 km (0.053 R)
• M14: 15,871,436 km (0.11 R)
• M15: 16,094,337 km (0.07 R)
• M16: 17,162,317 km (0.114 R)
• M17: 23,026,852 km (0.103 R)
• M18: 23,216,991 km (0.088 R)
• M19: 27,032,934 km (0.114 R)
• M20: 30,783,352 km (0.12 R)
• M21: 38,890,210 km (0.093 R)
• M22: 42,637,936 km (0.041 R)
• M23: 59,677,283 km (0.067 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: 263 - 13,085 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit