🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77

Radius: 9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.8 AU - 0.9 AU

Year: 532 Days

Day: 15 Hours

Environment

Temp: -166 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,639,247 km

• M1: 111,899 km (0.025 R)
• M2: 598,242 km (0.119 R)
• M3: 894,146 km (0.095 R)
• M4: 1,433,746 km (0.085 R)
• M5: 1,872,517 km (0.065 R)
• M6: 2,531,346 km (0.053 R)
• M7: 2,828,297 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.2

Radius: 13.7

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.88 AU - 1.08 AU

Year: 658 Days

Day: 12.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,639,247 km

• M1: 170,392 km (0.082 R)
• M2: 732,880 km (0.077 R)
• M3: 2,124,290 km (0.089 R)
• M4: 2,573,532 km (0.055 R)
• M5: 3,440,601 km (0.069 R)
• M6: 4,431,538 km (0.112 R)
• M7: 5,513,430 km (0.112 R)
• M8: 6,314,676 km (0.094 R)
• M9: 7,170,376 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869

Radius: 8.4

Gravity: 12.32 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.52 AU - 2.68 AU

Year: 2843 Days

Day: 14.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,639,247 km

• M1: 182,958 km (0.097 R)
• M2: 457,620 km (0.098 R)
• M3: 1,867,729 km (0.093 R)
• M4: 2,408,376 km (0.109 R)
• M5: 3,226,676 km (0.101 R)
• M6: 3,505,228 km (0.086 R)
• M7: 5,350,218 km (0.111 R)
• M8: 6,097,310 km (0.035 R)
• M9: 11,241,532 km (0.104 R)
• M10: 12,828,167 km (0.101 R)
• M11: 13,200,067 km (0.109 R)
• M12: 15,480,088 km (0.104 R)
• M13: 16,223,141 km (0.088 R)
• M14: 17,381,926 km (0.118 R)
• M15: 17,665,713 km (0.056 R)
• M16: 17,952,642 km (0.103 R)
• M17: 19,740,187 km (0.116 R)
• M18: 20,740,548 km (0.115 R)
• M19: 21,840,092 km (0.108 R)
• M20: 22,303,846 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.2

Radius: 8.5

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.14 AU - 3.26 AU

Year: 3009 Days

Day: 6.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,639,247 km

• M1: 105,915 km (0.08 R)
• M2: 479,611 km (0.12 R)
• M3: 953,686 km (0.108 R)
• M4: 1,314,217 km (0.114 R)
• M5: 1,874,013 km (0.076 R)
• M6: 2,160,941 km (0.111 R)
• M7: 2,568,895 km (0.093 R)
• M8: 3,696,713 km (0.115 R)
• M9: 3,982,146 km (0.037 R)
• M10: 4,574,852 km (0.092 R)
• M11: 5,429,056 km (0.093 R)
• M12: 6,619,257 km (0.057 R)
• M13: 7,197,303 km (0.114 R)
• M14: 7,941,403 km (0.109 R)
• M15: 8,315,098 km (0.064 R)
• M16: 9,356,599 km (0.111 R)
• M17: 9,658,637 km (0.115 R)
• M18: 10,685,477 km (0.1 R)
• M19: 11,141,301 km (0.088 R)
• M20: 11,653,076 km (0.104 R)
• M21: 12,862,275 km (0.058 R)
• M22: 14,601,650 km (0.086 R)
• M23: 15,008,556 km (0.106 R)
• M24: 15,738,893 km (0.095 R)
• M25: 16,547,320 km (0.091 R)
• M26: 20,436,116 km (0.116 R)
• M27: 20,753,413 km (0.113 R)
• M28: 21,268,030 km (0.116 R)
• M29: 22,055,812 km (0.091 R)
• M30: 22,322,695 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.9

Radius: 9.5

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.02 AU - 6.14 AU

Year: 8940 Days

Day: 5.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,639,247 km

• M1: 118,182 km (0.093 R)
• M2: 540,348 km (0.108 R)
• M3: 879,935 km (0.077 R)
• M4: 1,907,971 km (0.029 R)
• M5: 2,471,357 km (0.107 R)
• M6: 5,415,892 km (0.089 R)
• M7: 6,696,749 km (0.116 R)
• M8: 7,531,355 km (0.065 R)
• M9: 8,888,058 km (0.088 R)
• M10: 9,551,525 km (0.101 R)
• M11: 12,423,056 km (0.045 R)
• M12: 13,557,307 km (0.105 R)
• M13: 14,118,149 km (0.046 R)
• M14: 16,517,101 km (0.102 R)
• M15: 17,373,698 km (0.115 R)
• M16: 17,961,169 km (0.069 R)
• M17: 23,146,830 km (0.067 R)
• M18: 24,128,641 km (0.038 R)
• M19: 30,082,486 km (0.101 R)
• M20: 45,337,280 km (0.071 R)
• M21: 46,310,115 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497

Radius: 4.6

Gravity: 23.49 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 10.05 AU - 10.51 AU

Year: 22355 Days

Day: 22.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,639,247 km

• M1: 71,508 km (0.086 R)
• M2: 263,442 km (0.116 R)
• M3: 431,590 km (0.118 R)
• M4: 691,142 km (0.064 R)
• M5: 1,570,778 km (0.106 R)
• M6: 1,889,122 km (0.065 R)
• M7: 2,653,717 km (0.118 R)
• M8: 2,848,343 km (0.063 R)
• M9: 3,158,310 km (0.116 R)
• M10: 3,814,596 km (0.115 R)
• M11: 4,837,397 km (0.094 R)
• M12: 5,354,407 km (0.081 R)
• M13: 5,666,019 km (0.093 R)
• M14: 6,585,149 km (0.08 R)
• M15: 10,284,554 km (0.094 R)
• M16: 11,903,054 km (0.118 R)
• M17: 12,500,847 km (0.08 R)
• M18: 13,188,249 km (0.079 R)
• M19: 13,612,509 km (0.113 R)
• M20: 15,246,417 km (0.094 R)
• M21: 19,436,803 km (0.106 R)
• M22: 20,171,627 km (0.114 R)
• M23: 21,404,613 km (0.069 R)
• M24: 37,731,276 km (0.105 R)
• M25: 38,585,180 km (0.079 R)
• M26: 39,890,422 km (0.045 R)
• M27: 44,295,630 km (0.062 R)
• M28: 58,483,044 km (0.096 R)
• M29: 65,565,605 km (0.072 R)
• M30: 66,592,445 km (0.1 R)
• M31: 70,806,767 km (0.089 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 18,820 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit