🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.49 AU - 0.57 AU

Year: 249 Days

Day: 41.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.2

Radius: 13.4

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.76 AU - 1.14 AU

Year: 598 Days

Day: 6.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,797,598 km

• M1: 166,652 km (0.05 R)
• M2: 607,218 km (0.073 R)
• M3: 1,164,919 km (0.092 R)
• M4: 1,795,324 km (0.084 R)
• M5: 2,425,580 km (0.109 R)
• M6: 3,066,158 km (0.117 R)
• M7: 3,987,382 km (0.102 R)
• M8: 4,484,645 km (0.115 R)
• M9: 5,705,962 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.5

Radius: 9.4

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.25 AU - 3.97 AU

Year: 4429 Days

Day: 7.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,797,598 km

• M1: 121,922 km (0.065 R)
• M2: 1,414,597 km (0.091 R)
• M3: 1,872,217 km (0.091 R)
• M4: 3,210,819 km (0.114 R)
• M5: 3,545,320 km (0.06 R)
• M6: 3,944,297 km (0.081 R)
• M7: 4,417,775 km (0.088 R)
• M8: 9,226,149 km (0.037 R)
• M9: 9,599,995 km (0.034 R)
• M10: 10,100,998 km (0.098 R)
• M11: 13,104,474 km (0.114 R)
• M12: 14,859,856 km (0.117 R)
• M13: 18,594,118 km (0.072 R)
• M14: 19,010,897 km (0.09 R)
• M15: 19,863,156 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.6

Radius: 11

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.92 AU - 4.84 AU

Year: 5919 Days

Day: 9 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,797,598 km

• M1: 160,369 km (0.043 R)
• M2: 1,086,978 km (0.079 R)
• M3: 2,428,422 km (0.112 R)
• M4: 2,995,997 km (0.116 R)
• M5: 4,270,271 km (0.075 R)
• M6: 5,015,269 km (0.119 R)
• M7: 5,360,241 km (0.104 R)
• M8: 10,281,562 km (0.113 R)
• M9: 10,793,337 km (0.099 R)
• M10: 11,370,934 km (0.114 R)
• M11: 12,276,001 km (0.085 R)
• M12: 13,282,645 km (0.084 R)
• M13: 15,580,768 km (0.11 R)
• M14: 16,887,954 km (0.115 R)
• M15: 17,732,883 km (0.065 R)
• M16: 19,719,243 km (0.101 R)
• M17: 21,098,536 km (0.118 R)
• M18: 21,471,932 km (0.084 R)
• M19: 22,931,259 km (0.082 R)
• M20: 23,405,634 km (0.119 R)
• M21: 24,537,791 km (0.119 R)
• M22: 25,201,108 km (0.045 R)
• M23: 26,132,354 km (0.086 R)
• M24: 27,174,453 km (0.112 R)
• M25: 28,606,554 km (0.065 R)
• M26: 29,433,979 km (0.091 R)
• M27: 32,012,000 km (0.114 R)
• M28: 32,704,189 km (0.029 R)

Asteroid Belt

Center: 7.13 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401.7

Radius: 5.5

Gravity: 13.28 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.67 AU - 11.09 AU

Year: 20052 Days

Day: 22.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,797,598 km

• M1: 68,366 km (0.083 R)
• M2: 270,772 km (0.034 R)
• M3: 505,491 km (0.053 R)
• M4: 692,937 km (0.105 R)
• M5: 938,427 km (0.068 R)
• M6: 2,236,039 km (0.115 R)
• M7: 2,992,406 km (0.076 R)
• M8: 3,676,966 km (0.088 R)
• M9: 4,208,487 km (0.102 R)
• M10: 5,875,756 km (0.12 R)
• M11: 6,190,958 km (0.04 R)
• M12: 9,610,018 km (0.101 R)
• M13: 10,103,391 km (0.103 R)
• M14: 12,567,119 km (0.065 R)
• M15: 12,958,467 km (0.119 R)
• M16: 16,309,160 km (0.11 R)
• M17: 17,489,337 km (0.114 R)
• M18: 18,224,162 km (0.076 R)
• M19: 20,195,413 km (0.09 R)
• M20: 22,877,853 km (0.09 R)
• M21: 23,460,985 km (0.104 R)
• M22: 26,102,884 km (0.094 R)
• M23: 28,043,916 km (0.109 R)
• M24: 29,963,556 km (0.11 R)
• M25: 35,078,307 km (0.111 R)
• M26: 36,245,171 km (0.092 R)
• M27: 39,344,390 km (0.098 R)
• M28: 42,179,120 km (0.097 R)
• M29: 47,776,922 km (0.052 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 15,853 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit