🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.8

Radius: 14.3

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.11 AU - 1.45 AU

Year: 921 Days

Day: 11.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,624,871 km

• M1: 177,872 km (0.072 R)
• M2: 655,388 km (0.074 R)
• M3: 1,130,661 km (0.083 R)
• M4: 2,249,204 km (0.051 R)
• M5: 2,856,871 km (0.116 R)
• M6: 3,919,763 km (0.09 R)
• M7: 4,440,514 km (0.047 R)
• M8: 5,118,940 km (0.056 R)
• M9: 5,907,022 km (0.097 R)
• M10: 6,594,723 km (0.117 R)
• M11: 7,287,511 km (0.112 R)
• M12: 8,873,547 km (0.117 R)
• M13: 9,374,551 km (0.092 R)
• M14: 9,865,082 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.3

Radius: 8.7

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.46 AU - 1.74 AU

Year: 1287 Days

Day: 11.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,624,871 km

• M1: 108,159 km (0.098 R)
• M2: 421,567 km (0.058 R)
• M3: 841,488 km (0.049 R)
• M4: 1,224,159 km (0.054 R)
• M5: 2,708,918 km (0.053 R)
• M6: 3,034,892 km (0.12 R)
• M7: 3,671,730 km (0.11 R)
• M8: 4,237,958 km (0.119 R)
• M9: 4,651,596 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.1

Radius: 12.4

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2 AU - 2.96 AU

Year: 2483 Days

Day: 9.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,624,871 km

• M1: 158,125 km (0.092 R)
• M2: 555,906 km (0.109 R)
• M3: 1,114,355 km (0.114 R)
• M4: 2,416,155 km (0.117 R)
• M5: 3,163,247 km (0.045 R)
• M6: 3,749,371 km (0.056 R)
• M7: 6,269,497 km (0.06 R)
• M8: 7,406,441 km (0.079 R)
• M9: 8,542,936 km (0.058 R)
• M10: 9,153,146 km (0.044 R)
• M11: 10,122,989 km (0.1 R)
• M12: 10,613,670 km (0.077 R)
• M13: 11,199,794 km (0.115 R)
• M14: 12,266,577 km (0.067 R)
• M15: 12,781,343 km (0.103 R)
• M16: 14,038,713 km (0.086 R)
• M17: 15,180,743 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.5

Radius: 11

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.51 AU - 3.63 AU

Year: 3420 Days

Day: 8.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,624,871 km

• M1: 136,732 km (0.112 R)
• M2: 703,708 km (0.1 R)
• M3: 1,259,165 km (0.04 R)
• M4: 1,694,196 km (0.054 R)
• M5: 2,172,161 km (0.032 R)
• M6: 2,543,912 km (0.11 R)
• M7: 3,087,102 km (0.12 R)
• M8: 3,942,053 km (0.09 R)
• M9: 4,351,353 km (0.08 R)
• M10: 4,828,421 km (0.045 R)
• M11: 5,276,915 km (0.07 R)
• M12: 7,515,348 km (0.092 R)
• M13: 8,491,175 km (0.062 R)
• M14: 9,085,527 km (0.1 R)
• M15: 9,486,599 km (0.063 R)
• M16: 11,636,620 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730

Radius: 11.8

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.75 AU - 4.35 AU

Year: 5182 Days

Day: 9.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,624,871 km

• M1: 146,905 km (0.104 R)
• M2: 1,021,454 km (0.071 R)
• M3: 1,713,644 km (0.092 R)
• M4: 2,788,654 km (0.085 R)
• M5: 3,348,898 km (0.094 R)
• M6: 4,567,672 km (0.077 R)
• M7: 6,061,855 km (0.05 R)
• M8: 8,235,363 km (0.11 R)
• M9: 10,385,982 km (0.096 R)
• M10: 11,210,715 km (0.081 R)
• M11: 11,591,142 km (0.084 R)
• M12: 12,682,010 km (0.11 R)
• M13: 14,278,219 km (0.103 R)
• M14: 14,838,912 km (0.11 R)
• M15: 15,239,984 km (0.102 R)
• M16: 15,885,199 km (0.088 R)
• M17: 16,670,888 km (0.089 R)
• M18: 18,059,455 km (0.073 R)
• M19: 21,282,242 km (0.111 R)
• M20: 22,311,774 km (0.081 R)
• M21: 22,687,564 km (0.103 R)
• M22: 23,761,827 km (0.079 R)
• M23: 26,428,409 km (0.073 R)
• M24: 28,313,043 km (0.077 R)
• M25: 28,842,320 km (0.057 R)
• M26: 30,746,701 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.1

Radius: 10.9

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.6 AU - 5.08 AU

Year: 6770 Days

Day: 11.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,624,871 km

• M1: 135,685 km (0.049 R)
• M2: 633,397 km (0.088 R)
• M3: 1,023,100 km (0.063 R)
• M4: 1,760,468 km (0.085 R)
• M5: 2,223,024 km (0.11 R)
• M6: 3,059,276 km (0.091 R)
• M7: 3,483,536 km (0.108 R)
• M8: 4,143,412 km (0.12 R)
• M9: 9,012,973 km (0.055 R)
• M10: 17,757,716 km (0.09 R)
• M11: 20,285,022 km (0.092 R)
• M12: 26,653,853 km (0.063 R)
• M13: 30,432,396 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.9

Radius: 5

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.08 AU - 10.78 AU

Year: 21417 Days

Day: 24.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,624,871 km

• M1: 67,618 km (0.1 R)
• M2: 229,334 km (0.114 R)
• M3: 462,407 km (0.097 R)
• M4: 867,368 km (0.074 R)
• M5: 1,321,548 km (0.114 R)
• M6: 5,039,952 km (0.07 R)
• M7: 5,952,200 km (0.106 R)
• M8: 6,580,212 km (0.064 R)
• M9: 7,457,005 km (0.12 R)
• M10: 8,409,046 km (0.082 R)
• M11: 20,223,538 km (0.12 R)
• M12: 21,212,230 km (0.093 R)
• M13: 25,207,092 km (0.035 R)
• M14: 27,529,748 km (0.048 R)
• M15: 28,538,187 km (0.096 R)
• M16: 36,778,337 km (0.077 R)
• M17: 42,759,410 km (0.045 R)
• M18: 44,384,043 km (0.061 R)
• M19: 45,629,146 km (0.115 R)
• M20: 46,472,130 km (0.028 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 14,457 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit