🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.5

Radius: 10.9

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.5 AU - 0.76 AU

Year: 339 Days

Day: 5.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,982,986 km

• M1: 135,685 km (0.104 R)
• M2: 489,484 km (0.062 R)
• M3: 926,011 km (0.041 R)
• M4: 1,306,588 km (0.099 R)
• M5: 1,858,754 km (0.099 R)
• M6: 2,390,724 km (0.104 R)
• M7: 3,223,685 km (0.084 R)
• M8: 3,600,821 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.8

Radius: 14.5

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.84 AU - 0.86 AU

Year: 532 Days

Day: 6.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,982,986 km

• M1: 180,415 km (0.112 R)
• M2: 631,901 km (0.064 R)
• M3: 1,097,749 km (0.106 R)
• M4: 1,658,592 km (0.107 R)
• M5: 2,161,689 km (0.081 R)
• M6: 2,811,842 km (0.075 R)
• M7: 3,590,798 km (0.083 R)
• M8: 4,118,878 km (0.114 R)
• M9: 4,682,862 km (0.095 R)
• M10: 5,177,882 km (0.041 R)
• M11: 5,726,158 km (0.036 R)
• M12: 6,293,582 km (0.092 R)
• M13: 7,023,919 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.6

Radius: 14.5

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.12 AU - 1.2 AU

Year: 847 Days

Day: 5.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,982,986 km

• M1: 180,265 km (0.029 R)
• M2: 746,045 km (0.054 R)
• M3: 1,263,055 km (0.108 R)
• M4: 1,894,059 km (0.099 R)
• M5: 2,451,909 km (0.076 R)
• M6: 2,927,032 km (0.114 R)
• M7: 3,820,580 km (0.118 R)
• M8: 5,042,645 km (0.107 R)
• M9: 6,228,657 km (0.119 R)
• M10: 7,103,356 km (0.09 R)
• M11: 7,662,104 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.3

Radius: 12.4

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.06 AU - 1.56 AU

Year: 1017 Days

Day: 7.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,982,986 km

• M1: 154,235 km (0.099 R)
• M2: 550,371 km (0.09 R)
• M3: 1,076,057 km (0.078 R)
• M4: 1,472,941 km (0.097 R)
• M5: 1,899,893 km (0.101 R)
• M6: 2,578,768 km (0.064 R)
• M7: 4,011,617 km (0.098 R)
• M8: 5,693,097 km (0.043 R)
• M9: 6,213,248 km (0.118 R)
• M10: 6,743,872 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.6

Radius: 13.6

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.96 AU - 2.78 AU

Year: 2475 Days

Day: 5.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,982,986 km

• M1: 169,345 km (0.098 R)
• M2: 640,728 km (0.06 R)
• M3: 1,181,374 km (0.101 R)
• M4: 1,889,122 km (0.069 R)
• M5: 2,341,655 km (0.087 R)
• M6: 4,224,494 km (0.117 R)
• M7: 5,010,781 km (0.117 R)
• M8: 6,587,093 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.9

Radius: 14.5

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.74 AU - 6.04 AU

Year: 7334 Days

Day: 6 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,982,986 km

• M1: 180,565 km (0.09 R)
• M2: 670,946 km (0.095 R)
• M3: 1,168,060 km (0.114 R)
• M4: 1,850,077 km (0.108 R)
• M5: 2,733,751 km (0.115 R)
• M6: 3,231,314 km (0.072 R)
• M7: 3,884,608 km (0.073 R)
• M8: 5,959,830 km (0.057 R)
• M9: 6,911,870 km (0.043 R)
• M10: 8,161,611 km (0.05 R)
• M11: 9,204,907 km (0.083 R)
• M12: 11,658,611 km (0.118 R)
• M13: 12,176,369 km (0.073 R)
• M14: 13,091,908 km (0.098 R)
• M15: 14,639,648 km (0.074 R)
• M16: 17,020,647 km (0.048 R)
• M17: 18,096,705 km (0.07 R)
• M18: 19,004,016 km (0.045 R)
• M19: 19,577,275 km (0.108 R)
• M20: 21,213,576 km (0.083 R)
• M21: 24,672,429 km (0.103 R)
• M22: 26,138,039 km (0.115 R)
• M23: 26,668,962 km (0.06 R)
• M24: 33,719,210 km (0.112 R)
• M25: 35,956,746 km (0.074 R)

Asteroid Belt

Center: 5.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.6

Radius: 6.2

Gravity: 16.4 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.04 AU - 8.14 AU

Year: 12804 Days

Day: 16 Hours

Environment

Temp: -237 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,982,986 km

• M1: 82,428 km (0.06 R)
• M2: 332,855 km (0.094 R)
• M3: 710,889 km (0.061 R)
• M4: 1,295,368 km (0.047 R)
• M5: 2,769,057 km (0.1 R)
• M6: 2,972,510 km (0.112 R)
• M7: 4,786,234 km (0.075 R)
• M8: 5,080,344 km (0.072 R)
• M9: 8,251,370 km (0.11 R)
• M10: 8,916,332 km (0.119 R)
• M11: 9,719,523 km (0.091 R)
• M12: 9,979,973 km (0.111 R)
• M13: 10,352,771 km (0.117 R)
• M14: 11,411,026 km (0.099 R)
• M15: 15,577,028 km (0.06 R)
• M16: 21,261,298 km (0.109 R)
• M17: 23,333,229 km (0.053 R)
• M18: 23,895,118 km (0.118 R)
• M19: 26,738,675 km (0.082 R)
• M20: 27,978,542 km (0.051 R)
• M21: 31,019,866 km (0.106 R)
• M22: 33,322,327 km (0.073 R)
• M23: 33,796,253 km (0.074 R)
• M24: 34,154,540 km (0.058 R)
• M25: 34,394,794 km (0.082 R)
• M26: 36,482,732 km (0.073 R)
• M27: 37,877,882 km (0.105 R)
• M28: 40,639,608 km (0.07 R)
• M29: 42,831,666 km (0.106 R)
• M30: 52,869,383 km (0.103 R)
• M31: 54,000,643 km (0.087 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 16,727 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit