🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 12.4

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.07 AU - 1.31 AU

Year: 852 Days

Day: 5.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,743,589 km

• M1: 155,731 km (0.116 R)
• M2: 696,528 km (0.079 R)
• M3: 1,240,615 km (0.11 R)
• M4: 1,664,276 km (0.112 R)
• M5: 2,840,864 km (0.075 R)
• M6: 3,519,888 km (0.044 R)
• M7: 5,396,594 km (0.039 R)
• M8: 6,092,972 km (0.114 R)
• M9: 6,619,855 km (0.047 R)
• M10: 7,105,749 km (0.099 R)
• M11: 8,019,942 km (0.107 R)
• M12: 8,465,594 km (0.046 R)
• M13: 9,207,450 km (0.069 R)
• M14: 9,873,160 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558

Radius: 14

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.42 AU - 1.72 AU

Year: 1291 Days

Day: 8.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,743,589 km

• M1: 174,282 km (0.103 R)
• M2: 682,017 km (0.07 R)
• M3: 1,365,529 km (0.099 R)
• M4: 2,593,728 km (0.058 R)
• M5: 3,194,962 km (0.109 R)
• M6: 5,019,158 km (0.064 R)
• M7: 5,640,737 km (0.058 R)
• M8: 6,112,719 km (0.073 R)
• M9: 7,284,818 km (0.119 R)
• M10: 8,491,026 km (0.059 R)
• M11: 9,524,747 km (0.029 R)
• M12: 10,322,253 km (0.117 R)
• M13: 10,802,313 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.4

Radius: 14.3

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.47 AU - 1.75 AU

Year: 1340 Days

Day: 12.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,743,589 km

• M1: 177,872 km (0.104 R)
• M2: 650,751 km (0.111 R)
• M3: 1,518,119 km (0.102 R)
• M4: 2,927,630 km (0.102 R)
• M5: 3,394,525 km (0.112 R)
• M6: 4,095,242 km (0.055 R)
• M7: 4,890,953 km (0.059 R)
• M8: 5,512,083 km (0.072 R)
• M9: 6,530,396 km (0.091 R)
• M10: 7,437,857 km (0.096 R)
• M11: 9,473,584 km (0.051 R)
• M12: 10,059,559 km (0.083 R)
• M13: 10,539,170 km (0.039 R)
• M14: 11,964,090 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54

Radius: 9.4

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.24 AU - 2.38 AU

Year: 2303 Days

Day: 9.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,743,589 km

• M1: 119,080 km (0.07 R)
• M2: 457,171 km (0.106 R)
• M3: 1,137,692 km (0.078 R)
• M4: 1,495,979 km (0.088 R)
• M5: 2,215,245 km (0.089 R)
• M6: 2,932,118 km (0.096 R)
• M7: 3,312,695 km (0.101 R)
• M8: 4,025,529 km (0.049 R)
• M9: 5,460,472 km (0.115 R)
• M10: 6,293,882 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.8

Radius: 10.6

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.88 AU - 4.76 AU

Year: 4898 Days

Day: 11.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,743,589 km

• M1: 131,796 km (0.095 R)
• M2: 754,871 km (0.059 R)
• M3: 1,282,353 km (0.043 R)
• M4: 1,655,001 km (0.025 R)
• M5: 2,529,401 km (0.083 R)
• M6: 2,945,732 km (0.083 R)
• M7: 4,247,682 km (0.082 R)
• M8: 9,569,776 km (0.064 R)
• M9: 10,049,686 km (0.086 R)
• M10: 11,144,443 km (0.061 R)
• M11: 11,947,784 km (0.105 R)
• M12: 13,719,770 km (0.085 R)
• M13: 14,485,861 km (0.114 R)
• M14: 15,442,539 km (0.057 R)
• M15: 18,565,395 km (0.108 R)
• M16: 18,936,547 km (0.102 R)
• M17: 20,144,700 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.5

Radius: 5.1

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 9.42 AU - 10.44 AU

Year: 20527 Days

Day: 16.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,743,589 km

• M1: 63,429 km (0.095 R)
• M2: 380,128 km (0.081 R)
• M3: 598,840 km (0.1 R)
• M4: 814,112 km (0.096 R)
• M5: 1,126,472 km (0.106 R)
• M6: 1,431,053 km (0.084 R)
• M7: 2,375,465 km (0.118 R)
• M8: 2,944,236 km (0.092 R)
• M9: 3,677,714 km (0.074 R)
• M10: 4,867,616 km (0.116 R)
• M11: 5,360,840 km (0.039 R)
• M12: 6,255,884 km (0.111 R)
• M13: 6,798,625 km (0.12 R)
• M14: 7,888,745 km (0.101 R)
• M15: 8,383,315 km (0.069 R)
• M16: 9,888,270 km (0.104 R)
• M17: 14,321,752 km (0.113 R)
• M18: 15,676,660 km (0.086 R)
• M19: 24,400,161 km (0.119 R)
• M20: 28,454,113 km (0.036 R)
• M21: 29,827,571 km (0.117 R)
• M22: 33,511,569 km (0.096 R)
• M23: 43,125,326 km (0.098 R)
• M24: 44,093,374 km (0.118 R)
• M25: 47,816,416 km (0.095 R)
• M26: 48,259,076 km (0.068 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 20,381 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit