🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.3

Radius: 12

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.42 AU - 0.62 AU

Year: 264 Days

Day: 6.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 61,414,504 km

• M1: 149,448 km (0.116 R)
• M2: 528,828 km (0.105 R)
• M3: 1,043,445 km (0.103 R)
• M4: 1,708,408 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.9

Radius: 11.5

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.42 AU - 0.68 AU

Year: 287 Days

Day: 14.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,414,504 km

• M1: 143,016 km (0.042 R)
• M2: 534,364 km (0.104 R)
• M3: 953,387 km (0.112 R)
• M4: 1,466,807 km (0.105 R)
• M5: 1,849,927 km (0.049 R)
• M6: 2,259,077 km (0.085 R)
• M7: 2,728,665 km (0.113 R)
• M8: 3,231,015 km (0.105 R)
• M9: 3,711,972 km (0.082 R)
• M10: 4,125,760 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.2

Radius: 12.4

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.76 AU - 1.24 AU

Year: 703 Days

Day: 6.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,414,504 km

• M1: 154,235 km (0.113 R)
• M2: 980,614 km (0.109 R)
• M3: 1,375,702 km (0.072 R)
• M4: 2,077,466 km (0.085 R)
• M5: 3,092,786 km (0.12 R)
• M6: 4,742,253 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.7

Radius: 14.8

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.55 AU - 2.33 AU

Year: 1899 Days

Day: 12.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,414,504 km

• M1: 190,139 km (0.102 R)
• M2: 765,193 km (0.11 R)
• M3: 2,988,517 km (0.061 R)
• M4: 3,726,633 km (0.114 R)
• M5: 4,236,911 km (0.084 R)
• M6: 4,990,286 km (0.117 R)
• M7: 6,404,434 km (0.117 R)
• M8: 8,016,651 km (0.116 R)
• M9: 9,447,255 km (0.103 R)
• M10: 10,337,961 km (0.086 R)
• M11: 12,659,421 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.5

Radius: 8.4

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.79 AU - 4.11 AU

Year: 4504 Days

Day: 12.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,414,504 km

• M1: 104,419 km (0.11 R)
• M2: 438,172 km (0.089 R)
• M3: 861,684 km (0.039 R)
• M4: 1,464,414 km (0.084 R)
• M5: 1,819,110 km (0.099 R)
• M6: 2,992,107 km (0.042 R)
• M7: 3,783,181 km (0.039 R)
• M8: 4,335,346 km (0.112 R)
• M9: 9,436,185 km (0.103 R)
• M10: 13,456,029 km (0.116 R)
• M11: 15,183,735 km (0.107 R)
• M12: 28,924,150 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.6

Radius: 9.2

Gravity: 10.4 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.07 AU - 4.37 AU

Year: 6094 Days

Day: 10.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,414,504 km

• M1: 114,442 km (0.06 R)
• M2: 404,363 km (0.116 R)
• M3: 719,267 km (0.077 R)
• M4: 1,163,722 km (0.111 R)
• M5: 1,701,975 km (0.095 R)
• M6: 2,433,658 km (0.087 R)
• M7: 2,842,060 km (0.071 R)
• M8: 3,295,791 km (0.065 R)
• M9: 4,167,647 km (0.105 R)
• M10: 4,895,740 km (0.09 R)
• M11: 5,611,715 km (0.114 R)
• M12: 6,126,781 km (0.067 R)
• M13: 7,476,902 km (0.117 R)
• M14: 8,633,144 km (0.101 R)
• M15: 11,146,986 km (0.087 R)
• M16: 12,013,457 km (0.08 R)
• M17: 16,315,293 km (0.032 R)
• M18: 16,834,398 km (0.114 R)
• M19: 19,596,723 km (0.067 R)
• M20: 21,161,516 km (0.058 R)
• M21: 24,453,866 km (0.079 R)
• M22: 24,962,649 km (0.08 R)
• M23: 25,305,677 km (0.11 R)
• M24: 26,620,642 km (0.058 R)
• M25: 33,053,201 km (0.112 R)
• M26: 34,199,719 km (0.095 R)
• M27: 35,050,033 km (0.11 R)
• M28: 35,914,410 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.6

Radius: 8

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.28 AU - 7.52 AU

Year: 14150 Days

Day: 23 Hours

Environment

Temp: -221 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,414,504 km

• M1: 99,782 km (0.076 R)
• M2: 374,892 km (0.087 R)
• M3: 627,713 km (0.054 R)
• M4: 1,080,695 km (0.12 R)
• M5: 1,626,129 km (0.08 R)
• M6: 2,530,747 km (0.11 R)
• M7: 3,056,584 km (0.069 R)
• M8: 5,287,088 km (0.088 R)
• M9: 5,649,713 km (0.12 R)
• M10: 6,465,470 km (0.067 R)
• M11: 7,269,110 km (0.106 R)
• M12: 8,572,556 km (0.088 R)
• M13: 9,754,380 km (0.034 R)
• M14: 10,189,859 km (0.098 R)
• M15: 11,158,356 km (0.053 R)
• M16: 12,249,373 km (0.072 R)
• M17: 22,044,742 km (0.112 R)
• M18: 24,247,421 km (0.106 R)
• M19: 25,046,723 km (0.058 R)
• M20: 29,421,114 km (0.055 R)
• M21: 30,907,818 km (0.062 R)
• M22: 32,684,741 km (0.071 R)
• M23: 33,537,000 km (0.113 R)
• M24: 34,403,770 km (0.12 R)
• M25: 37,887,606 km (0.09 R)
• M26: 45,396,820 km (0.051 R)
• M27: 49,737,552 km (0.093 R)
• M28: 53,671,826 km (0.029 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: 367 - 13,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit