🌌 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: 202

Radius: 9.9

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.72 AU - 0.82 AU

Year: 430 Days

Day: 9.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,289,271 km

• M1: 123,119 km (0.063 R)
• M2: 459,415 km (0.072 R)
• M3: 913,594 km (0.114 R)
• M4: 1,242,859 km (0.069 R)
• M5: 1,561,652 km (0.054 R)
• M6: 2,042,011 km (0.08 R)
• M7: 2,534,038 km (0.092 R)
• M8: 2,932,567 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.1

Radius: 11.9

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.86 AU - 1.08 AU

Year: 607 Days

Day: 5.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,289,271 km

• M1: 148,401 km (0.045 R)
• M2: 559,795 km (0.117 R)
• M3: 1,045,540 km (0.1 R)
• M4: 1,939,686 km (0.073 R)
• M5: 2,669,125 km (0.11 R)
• M6: 3,352,189 km (0.062 R)
• M7: 4,436,026 km (0.093 R)
• M8: 5,017,064 km (0.082 R)
• M9: 5,414,545 km (0.116 R)
• M10: 6,214,296 km (0.113 R)
• M11: 6,632,870 km (0.059 R)
• M12: 7,070,145 km (0.109 R)
• M13: 7,482,287 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.6

Radius: 12.3

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.02 AU - 1.32 AU

Year: 805 Days

Day: 12.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,289,271 km

• M1: 153,039 km (0.062 R)
• M2: 547,678 km (0.034 R)
• M3: 935,735 km (0.076 R)
• M4: 1,363,585 km (0.074 R)
• M5: 1,970,802 km (0.046 R)
• M6: 3,776,748 km (0.112 R)
• M7: 4,206,842 km (0.105 R)
• M8: 4,652,643 km (0.062 R)
• M9: 5,166,662 km (0.053 R)
• M10: 6,940,144 km (0.089 R)
• M11: 8,354,293 km (0.07 R)
• M12: 8,742,799 km (0.106 R)
• M13: 9,224,803 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.4

Radius: 11.9

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.83 AU - 2.07 AU

Year: 1731 Days

Day: 7.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,289,271 km

• M1: 147,952 km (0.094 R)
• M2: 580,141 km (0.111 R)
• M3: 994,826 km (0.114 R)
• M4: 1,563,597 km (0.092 R)
• M5: 2,434,406 km (0.048 R)
• M6: 2,840,714 km (0.1 R)
• M7: 3,379,565 km (0.066 R)
• M8: 4,002,491 km (0.052 R)
• M9: 4,737,615 km (0.094 R)
• M10: 5,336,455 km (0.099 R)
• M11: 5,727,953 km (0.056 R)
• M12: 8,009,769 km (0.094 R)
• M13: 8,580,186 km (0.118 R)
• M14: 11,337,574 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.1

Radius: 12.4

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.5 AU - 2.58 AU

Year: 2574 Days

Day: 9.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,289,271 km

• M1: 154,535 km (0.115 R)
• M2: 551,717 km (0.091 R)
• M3: 1,467,705 km (0.102 R)
• M4: 2,104,543 km (0.084 R)
• M5: 2,741,231 km (0.089 R)
• M6: 3,169,979 km (0.036 R)
• M7: 5,857,654 km (0.063 R)
• M8: 6,338,312 km (0.077 R)
• M9: 7,151,077 km (0.108 R)
• M10: 7,582,817 km (0.114 R)
• M11: 8,852,903 km (0.064 R)
• M12: 10,736,041 km (0.116 R)
• M13: 12,539,742 km (0.092 R)
• M14: 13,600,840 km (0.085 R)
• M15: 14,265,653 km (0.058 R)
• M16: 15,998,445 km (0.065 R)
• M17: 16,489,874 km (0.084 R)
• M18: 17,143,916 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.1

Radius: 10.9

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.98 AU - 3.28 AU

Year: 2712 Days

Day: 8.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,289,271 km

• M1: 137,480 km (0.107 R)
• M2: 506,389 km (0.109 R)
• M3: 1,032,525 km (0.087 R)
• M4: 1,696,889 km (0.026 R)
• M5: 3,101,912 km (0.112 R)
• M6: 3,730,373 km (0.092 R)
• M7: 4,180,961 km (0.11 R)
• M8: 4,877,489 km (0.113 R)
• M9: 5,241,461 km (0.049 R)
• M10: 6,134,560 km (0.104 R)
• M11: 7,437,109 km (0.115 R)
• M12: 7,887,997 km (0.072 R)
• M13: 8,773,766 km (0.11 R)
• M14: 13,740,864 km (0.065 R)
• M15: 14,669,268 km (0.109 R)
• M16: 15,021,721 km (0.109 R)
• M17: 19,765,469 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.8

Radius: 4.1

Gravity: 23.37 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 10.49 AU - 11.67 AU

Year: 23450 Days

Day: 20.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 70,289,271 km

• M1: 60,288 km (0.049 R)
• M2: 447,148 km (0.105 R)
• M3: 596,148 km (0.113 R)
• M4: 950,994 km (0.1 R)
• M5: 1,161,627 km (0.118 R)
• M6: 1,527,693 km (0.12 R)
• M7: 1,891,067 km (0.097 R)
• M8: 2,910,277 km (0.096 R)
• M9: 4,153,734 km (0.079 R)
• M10: 4,314,403 km (0.068 R)
• M11: 5,912,557 km (0.045 R)
• M12: 7,965,339 km (0.089 R)
• M13: 8,314,500 km (0.084 R)
• M14: 9,984,162 km (0.03 R)
• M15: 10,214,692 km (0.115 R)
• M16: 11,546,712 km (0.029 R)
• M17: 11,736,851 km (0.115 R)
• M18: 15,298,477 km (0.111 R)
• M19: 15,451,216 km (0.055 R)
• M20: 17,447,151 km (0.077 R)
• M21: 18,377,350 km (0.113 R)
• M22: 18,636,753 km (0.067 R)
• M23: 21,270,723 km (0.077 R)
• M24: 25,083,973 km (0.055 R)
• M25: 25,296,402 km (0.117 R)
• M26: 27,600,059 km (0.068 R)
• M27: 27,940,245 km (0.076 R)
• M28: 35,476,237 km (0.062 R)
• M29: 36,012,995 km (0.08 R)
• M30: 36,691,571 km (0.096 R)
• M31: 36,965,335 km (0.098 R)
• M32: 38,354,650 km (0.105 R)
• M33: 39,204,815 km (0.118 R)
• M34: 40,212,356 km (0.117 R)
• M35: 44,105,940 km (0.094 R)
• M36: 45,352,689 km (0.089 R)
• M37: 49,566,861 km (0.119 R)
• M38: 51,425,614 km (0.108 R)
• M39: 52,632,271 km (0.084 R)
• M40: 56,912,864 km (0.106 R)
• M41: 60,843,848 km (0.089 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: 372 - 13,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit