🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714

Radius: 12.3

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.77 AU - 0.77 AU

Year: 443 Days

Day: 6.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,700,084 km

• M1: 153,338 km (0.06 R)
• M2: 618,138 km (0.033 R)
• M3: 1,263,504 km (0.081 R)
• M4: 1,730,548 km (0.062 R)
• M5: 2,395,660 km (0.11 R)
• M6: 2,979,840 km (0.059 R)
• M7: 3,448,829 km (0.052 R)
• M8: 3,940,558 km (0.068 R)
• M9: 4,507,683 km (0.101 R)
• M10: 5,485,455 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.8

Radius: 10.7

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.66 AU - 1.06 AU

Year: 523 Days

Day: 10.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,700,084 km

• M1: 133,142 km (0.118 R)
• M2: 470,336 km (0.068 R)
• M3: 816,206 km (0.103 R)
• M4: 1,203,814 km (0.11 R)
• M5: 1,803,253 km (0.081 R)
• M6: 2,310,240 km (0.106 R)
• M7: 3,002,878 km (0.103 R)
• M8: 3,354,283 km (0.108 R)
• M9: 3,733,065 km (0.111 R)
• M10: 4,362,872 km (0.032 R)
• M11: 4,896,787 km (0.109 R)
• M12: 5,889,818 km (0.089 R)
• M13: 6,523,215 km (0.07 R)
• M14: 7,243,978 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.9

Radius: 12.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.69 AU - 1.05 AU

Year: 532 Days

Day: 11.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,700,084 km

• M1: 159,172 km (0.117 R)
• M2: 742,155 km (0.098 R)
• M3: 1,395,898 km (0.083 R)
• M4: 2,026,752 km (0.087 R)
• M5: 2,700,242 km (0.095 R)
• M6: 3,575,240 km (0.113 R)
• M7: 4,313,655 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.1

Radius: 12.3

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.42 AU - 1.86 AU

Year: 1378 Days

Day: 7.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,700,084 km

• M1: 153,039 km (0.096 R)
• M2: 537,206 km (0.118 R)
• M3: 977,024 km (0.047 R)
• M4: 1,558,810 km (0.114 R)
• M5: 2,772,348 km (0.042 R)
• M6: 3,277,241 km (0.113 R)
• M7: 3,972,721 km (0.093 R)
• M8: 6,395,459 km (0.048 R)
• M9: 7,173,068 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.6

Radius: 14.3

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.3 AU - 3.76 AU

Year: 4351 Days

Day: 12.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,700,084 km

• M1: 178,171 km (0.06 R)
• M2: 981,811 km (0.113 R)
• M3: 1,587,533 km (0.076 R)
• M4: 2,125,786 km (0.101 R)
• M5: 2,768,757 km (0.111 R)
• M6: 3,418,461 km (0.086 R)
• M7: 4,595,796 km (0.103 R)
• M8: 5,680,381 km (0.106 R)
• M9: 6,704,079 km (0.09 R)
• M10: 7,429,778 km (0.104 R)
• M11: 8,317,642 km (0.107 R)
• M12: 8,768,380 km (0.105 R)
• M13: 9,235,425 km (0.053 R)
• M14: 12,397,176 km (0.09 R)
• M15: 14,063,546 km (0.081 R)
• M16: 14,596,863 km (0.106 R)
• M17: 15,817,880 km (0.053 R)
• M18: 20,427,440 km (0.084 R)
• M19: 21,043,035 km (0.11 R)
• M20: 21,671,047 km (0.102 R)
• M21: 22,239,818 km (0.084 R)
• M22: 22,964,620 km (0.102 R)
• M23: 26,503,956 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.1

Radius: 14.5

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.7 AU - 6.88 AU

Year: 9140 Days

Day: 13.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,700,084 km

• M1: 240,404 km (0.112 R)
• M2: 887,115 km (0.065 R)
• M3: 1,638,545 km (0.111 R)
• M4: 2,258,479 km (0.083 R)
• M5: 5,986,009 km (0.108 R)
• M6: 6,919,799 km (0.085 R)
• M7: 8,249,724 km (0.117 R)
• M8: 9,158,681 km (0.069 R)
• M9: 9,658,936 km (0.104 R)
• M10: 11,555,538 km (0.083 R)
• M11: 12,339,730 km (0.09 R)
• M12: 18,005,600 km (0.057 R)
• M13: 19,466,423 km (0.038 R)
• M14: 24,640,864 km (0.091 R)
• M15: 25,123,167 km (0.064 R)
• M16: 30,666,965 km (0.114 R)
• M17: 31,695,600 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14.4

Radius: 6.3

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 8.84 AU - 10.4 AU

Year: 19574 Days

Day: 24.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,700,084 km

• M1: 78,389 km (0.073 R)
• M2: 316,399 km (0.094 R)
• M3: 663,467 km (0.104 R)
• M4: 1,661,434 km (0.073 R)
• M5: 2,416,454 km (0.111 R)
• M6: 2,640,702 km (0.048 R)
• M7: 4,356,888 km (0.068 R)
• M8: 4,922,069 km (0.113 R)
• M9: 5,234,729 km (0.112 R)
• M10: 7,181,895 km (0.062 R)
• M11: 12,520,444 km (0.086 R)
• M12: 14,714,297 km (0.095 R)
• M13: 16,084,015 km (0.038 R)
• M14: 17,703,113 km (0.059 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 18,079 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit