🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.6

Radius: 9.7

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.65 AU - 0.95 AU

Year: 462 Days

Day: 14.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,046,125 km

• M1: 121,473 km (0.078 R)
• M2: 446,250 km (0.07 R)
• M3: 784,042 km (0.065 R)
• M4: 1,252,433 km (0.062 R)
• M5: 1,720,824 km (0.093 R)
• M6: 2,542,117 km (0.093 R)
• M7: 2,871,082 km (0.038 R)
• M8: 3,340,520 km (0.119 R)
• M9: 3,781,385 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.9

Radius: 9.5

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.18 AU - 1.62 AU

Year: 1070 Days

Day: 10.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,046,125 km

• M1: 118,332 km (0.086 R)
• M2: 738,116 km (0.113 R)
• M3: 1,096,552 km (0.097 R)
• M4: 1,477,279 km (0.089 R)
• M5: 1,835,566 km (0.083 R)
• M6: 2,511,150 km (0.102 R)
• M7: 3,104,006 km (0.08 R)
• M8: 3,413,075 km (0.101 R)
• M9: 3,908,095 km (0.084 R)
• M10: 4,517,257 km (0.076 R)
• M11: 5,244,153 km (0.116 R)
• M12: 6,026,401 km (0.113 R)
• M13: 6,907,083 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.4

Radius: 10.2

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.45 AU - 1.63 AU

Year: 1234 Days

Day: 6.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,046,125 km

• M1: 126,859 km (0.103 R)
• M2: 446,849 km (0.079 R)
• M3: 908,358 km (0.112 R)
• M4: 1,337,854 km (0.067 R)
• M5: 1,910,514 km (0.095 R)
• M6: 2,254,590 km (0.105 R)
• M7: 2,734,499 km (0.062 R)
• M8: 3,057,032 km (0.115 R)
• M9: 3,446,885 km (0.112 R)
• M10: 4,544,035 km (0.112 R)
• M11: 4,909,653 km (0.036 R)
• M12: 5,238,469 km (0.109 R)
• M13: 5,562,647 km (0.119 R)
• M14: 6,272,639 km (0.086 R)
• M15: 6,704,677 km (0.07 R)
• M16: 8,299,241 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323

Radius: 12.2

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.76 AU - 1.78 AU

Year: 1520 Days

Day: 10 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,046,125 km

• M1: 151,842 km (0.038 R)
• M2: 628,461 km (0.094 R)
• M3: 1,158,187 km (0.077 R)
• M4: 1,810,583 km (0.114 R)
• M5: 2,281,517 km (0.082 R)
• M6: 2,709,367 km (0.036 R)
• M7: 3,518,991 km (0.078 R)
• M8: 4,414,184 km (0.07 R)
• M9: 4,990,585 km (0.119 R)
• M10: 5,991,694 km (0.086 R)
• M11: 7,074,184 km (0.102 R)
• M12: 7,687,535 km (0.098 R)
• M13: 8,524,236 km (0.049 R)
• M14: 8,908,852 km (0.064 R)
• M15: 9,391,605 km (0.055 R)
• M16: 10,194,197 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.8

Radius: 14.9

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.35 AU - 2.59 AU

Year: 2506 Days

Day: 7.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,046,125 km

• M1: 243,545 km (0.059 R)
• M2: 801,845 km (0.104 R)
• M3: 1,676,244 km (0.095 R)
• M4: 2,328,640 km (0.073 R)
• M5: 3,009,161 km (0.084 R)
• M6: 3,695,965 km (0.088 R)
• M7: 4,346,865 km (0.112 R)
• M8: 5,030,079 km (0.067 R)
• M9: 5,594,512 km (0.105 R)
• M10: 6,482,076 km (0.114 R)
• M11: 7,235,899 km (0.034 R)
• M12: 8,727,241 km (0.107 R)
• M13: 9,245,448 km (0.031 R)
• M14: 12,636,233 km (0.092 R)
• M15: 13,385,569 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.5

Radius: 11.8

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.21 AU - 5.43 AU

Year: 6833 Days

Day: 12.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,046,125 km

• M1: 146,756 km (0.113 R)
• M2: 801,695 km (0.112 R)
• M3: 1,396,496 km (0.108 R)
• M4: 2,052,333 km (0.05 R)
• M5: 2,815,432 km (0.116 R)
• M6: 4,163,458 km (0.102 R)
• M7: 5,194,786 km (0.098 R)
• M8: 6,112,270 km (0.116 R)
• M9: 8,722,304 km (0.067 R)
• M10: 9,764,851 km (0.06 R)
• M11: 12,633,690 km (0.11 R)
• M12: 18,528,444 km (0.097 R)
• M13: 20,178,509 km (0.084 R)
• M14: 21,781,151 km (0.037 R)
• M15: 23,093,573 km (0.09 R)
• M16: 25,081,130 km (0.116 R)
• M17: 27,263,464 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 16,850 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit