🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.3

Radius: 12.7

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.65 AU - 0.71 AU

Year: 374 Days

Day: 8.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,192,629 km

• M1: 157,975 km (0.085 R)
• M2: 578,046 km (0.064 R)
• M3: 989,291 km (0.05 R)
• M4: 1,419,385 km (0.101 R)
• M5: 1,826,440 km (0.083 R)
• M6: 2,337,616 km (0.088 R)
• M7: 2,780,576 km (0.095 R)
• M8: 3,507,172 km (0.092 R)
• M9: 3,982,146 km (0.107 R)
• M10: 4,539,847 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.2

Radius: 12.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.63 AU - 0.99 AU

Year: 486 Days

Day: 8 Hours

Environment

Temp: -157 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,192,629 km

• M1: 158,574 km (0.07 R)
• M2: 726,746 km (0.118 R)
• M3: 1,519,466 km (0.065 R)
• M4: 2,578,918 km (0.059 R)
• M5: 3,004,673 km (0.109 R)
• M6: 4,176,623 km (0.066 R)
• M7: 5,108,618 km (0.083 R)
• M8: 5,925,721 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.7

Radius: 12.8

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.04 AU - 1.48 AU

Year: 943 Days

Day: 7.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,192,629 km

• M1: 159,471 km (0.075 R)
• M2: 667,954 km (0.118 R)
• M3: 1,488,349 km (0.114 R)
• M4: 2,165,130 km (0.114 R)
• M5: 2,631,277 km (0.11 R)
• M6: 3,076,779 km (0.099 R)
• M7: 4,062,031 km (0.053 R)
• M8: 4,896,937 km (0.109 R)
• M9: 5,843,143 km (0.082 R)
• M10: 7,977,456 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.4

Radius: 11.9

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.05 AU - 3.19 AU

Year: 2828 Days

Day: 6.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,192,629 km

• M1: 147,952 km (0.053 R)
• M2: 660,475 km (0.116 R)
• M3: 1,620,444 km (0.037 R)
• M4: 2,465,074 km (0.106 R)
• M5: 3,750,419 km (0.102 R)
• M6: 4,378,580 km (0.114 R)
• M7: 4,889,606 km (0.12 R)
• M8: 6,516,034 km (0.03 R)
• M9: 8,839,140 km (0.075 R)
• M10: 9,242,605 km (0.116 R)
• M11: 12,770,871 km (0.098 R)
• M12: 13,735,328 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.7

Radius: 8.3

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.26 AU - 3.54 AU

Year: 3293 Days

Day: 10.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,192,629 km

• M1: 103,372 km (0.048 R)
• M2: 445,951 km (0.087 R)
• M3: 731,234 km (0.096 R)
• M4: 1,124,677 km (0.112 R)
• M5: 1,386,772 km (0.095 R)
• M6: 1,760,917 km (0.029 R)
• M7: 2,300,965 km (0.026 R)
• M8: 2,964,282 km (0.104 R)
• M9: 3,934,274 km (0.08 R)
• M10: 5,433,395 km (0.108 R)
• M11: 5,888,471 km (0.102 R)
• M12: 7,028,856 km (0.04 R)
• M13: 7,569,503 km (0.108 R)
• M14: 8,555,502 km (0.1 R)
• M15: 10,493,393 km (0.055 R)
• M16: 11,242,280 km (0.046 R)
• M17: 12,340,628 km (0.103 R)
• M18: 13,605,627 km (0.118 R)
• M19: 15,058,372 km (0.084 R)
• M20: 16,227,330 km (0.04 R)
• M21: 16,611,647 km (0.119 R)
• M22: 17,227,840 km (0.099 R)
• M23: 20,796,049 km (0.102 R)
• M24: 21,184,405 km (0.098 R)
• M25: 22,109,518 km (0.117 R)
• M26: 22,446,263 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.2

Radius: 8.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.74 AU - 5.96 AU

Year: 8252 Days

Day: 5.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,192,629 km

• M1: 109,506 km (0.115 R)
• M2: 1,108,371 km (0.103 R)
• M3: 1,434,045 km (0.084 R)
• M4: 1,835,715 km (0.096 R)
• M5: 3,019,483 km (0.062 R)
• M6: 5,534,822 km (0.118 R)
• M7: 5,908,218 km (0.101 R)
• M8: 7,286,613 km (0.116 R)
• M9: 8,000,494 km (0.073 R)
• M10: 8,548,471 km (0.115 R)
• M11: 8,903,616 km (0.111 R)
• M12: 9,454,585 km (0.106 R)
• M13: 9,795,968 km (0.064 R)
• M14: 10,952,359 km (0.085 R)
• M15: 11,542,224 km (0.05 R)
• M16: 13,677,883 km (0.078 R)
• M17: 15,326,451 km (0.111 R)
• M18: 16,279,390 km (0.067 R)
• M19: 18,893,762 km (0.085 R)
• M20: 20,933,380 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.7

Radius: 3.9

Gravity: 28.45 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.61 AU - 8.05 AU

Year: 11903 Days

Day: 19.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,192,629 km

• M1: 48,470 km (0.115 R)
• M2: 546,631 km (0.063 R)
• M3: 1,197,381 km (0.094 R)
• M4: 1,409,960 km (0.102 R)
• M5: 1,752,389 km (0.091 R)
• M6: 3,252,108 km (0.12 R)
• M7: 4,087,463 km (0.104 R)
• M8: 4,931,643 km (0.118 R)
• M9: 5,378,193 km (0.099 R)
• M10: 8,283,085 km (0.086 R)
• M11: 13,015,464 km (0.097 R)
• M12: 14,176,941 km (0.103 R)
• M13: 20,384,804 km (0.04 R)
• M14: 22,199,875 km (0.093 R)
• M15: 22,541,108 km (0.109 R)
• M16: 23,763,023 km (0.048 R)
• M17: 24,030,504 km (0.089 R)
• M18: 31,709,363 km (0.112 R)
• M19: 35,166,420 km (0.12 R)
• M20: 40,492,404 km (0.084 R)
• M21: 44,012,890 km (0.106 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 18,888 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit