🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.5

Radius: 14.8

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.75 AU - 0.85 AU

Year: 485 Days

Day: 12.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 98 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,686,546 km

• M1: 184,155 km (0.094 R)
• M2: 1,041,650 km (0.077 R)
• M3: 1,782,459 km (0.104 R)
• M4: 3,021,578 km (0.029 R)
• M5: 4,002,042 km (0.117 R)
• M6: 4,485,393 km (0.055 R)
• M7: 4,963,807 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.2

Radius: 11.1

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.95 AU - 1.49 AU

Year: 914 Days

Day: 6.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,686,546 km

• M1: 139,724 km (0.107 R)
• M2: 608,564 km (0.077 R)
• M3: 1,060,051 km (0.057 R)
• M4: 1,556,117 km (0.101 R)
• M5: 1,927,419 km (0.076 R)
• M6: 2,530,747 km (0.075 R)
• M7: 2,962,935 km (0.106 R)
• M8: 4,941,816 km (0.065 R)
• M9: 5,545,443 km (0.1 R)
• M10: 6,768,556 km (0.085 R)
• M11: 7,726,431 km (0.115 R)
• M12: 8,089,654 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.9

Radius: 8

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.75 AU - 2.87 AU

Year: 2381 Days

Day: 10.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,686,546 km

• M1: 99,782 km (0.101 R)
• M2: 355,744 km (0.111 R)
• M3: 604,675 km (0.1 R)
• M4: 925,861 km (0.075 R)
• M5: 1,360,443 km (0.096 R)
• M6: 1,768,696 km (0.066 R)
• M7: 2,126,683 km (0.055 R)
• M8: 2,638,757 km (0.096 R)
• M9: 3,184,191 km (0.105 R)
• M10: 3,533,053 km (0.115 R)
• M11: 3,785,574 km (0.112 R)
• M12: 4,104,367 km (0.043 R)
• M13: 4,479,559 km (0.113 R)
• M14: 4,775,762 km (0.031 R)
• M15: 5,859,449 km (0.113 R)
• M16: 6,384,987 km (0.113 R)
• M17: 6,967,521 km (0.059 R)
• M18: 7,892,933 km (0.111 R)
• M19: 8,564,029 km (0.072 R)
• M20: 9,084,032 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.1

Radius: 9.9

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.12 AU - 4.5 AU

Year: 6069 Days

Day: 13.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 40,686,546 km

• M1: 124,166 km (0.068 R)
• M2: 574,755 km (0.095 R)
• M3: 955,482 km (0.113 R)
• M4: 1,373,907 km (0.101 R)
• M5: 1,687,314 km (0.069 R)
• M6: 2,872,878 km (0.1 R)
• M7: 3,241,935 km (0.053 R)
• M8: 3,806,967 km (0.079 R)
• M9: 5,402,278 km (0.045 R)
• M10: 6,065,446 km (0.098 R)
• M11: 7,179,202 km (0.068 R)
• M12: 8,506,285 km (0.077 R)
• M13: 8,883,570 km (0.076 R)
• M14: 10,315,970 km (0.038 R)
• M15: 10,745,316 km (0.055 R)
• M16: 11,386,492 km (0.055 R)
• M17: 14,384,434 km (0.054 R)
• M18: 14,740,477 km (0.103 R)
• M19: 16,416,122 km (0.096 R)
• M20: 17,466,898 km (0.078 R)
• M21: 19,412,867 km (0.05 R)
• M22: 19,847,897 km (0.105 R)
• M23: 21,116,188 km (0.026 R)
• M24: 22,200,474 km (0.066 R)
• M25: 22,596,609 km (0.108 R)
• M26: 23,240,179 km (0.094 R)
• M27: 24,563,970 km (0.106 R)
• M28: 27,090,379 km (0.086 R)
• M29: 27,542,913 km (0.111 R)
• M30: 27,908,530 km (0.063 R)
• M31: 28,277,289 km (0.115 R)
• M32: 34,949,354 km (0.104 R)
• M33: 36,574,884 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.6

Radius: 6.6

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.59 AU - 6.85 AU

Year: 9279 Days

Day: 21.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 40,686,546 km

• M1: 82,129 km (0.093 R)
• M2: 322,832 km (0.052 R)
• M3: 1,778,569 km (0.084 R)
• M4: 3,155,318 km (0.088 R)
• M5: 4,190,984 km (0.1 R)
• M6: 4,629,007 km (0.069 R)
• M7: 4,947,501 km (0.079 R)
• M8: 5,531,980 km (0.09 R)
• M9: 6,547,151 km (0.1 R)
• M10: 7,681,103 km (0.108 R)
• M11: 8,984,848 km (0.081 R)
• M12: 9,526,991 km (0.112 R)
• M13: 10,826,398 km (0.076 R)
• M14: 11,915,620 km (0.043 R)
• M15: 12,849,410 km (0.07 R)
• M16: 13,537,411 km (0.107 R)
• M17: 13,890,312 km (0.117 R)
• M18: 14,676,299 km (0.117 R)
• M19: 16,469,379 km (0.06 R)
• M20: 16,804,179 km (0.076 R)
• M21: 17,349,463 km (0.12 R)
• M22: 18,403,530 km (0.109 R)
• M23: 19,056,076 km (0.104 R)
• M24: 21,982,210 km (0.041 R)
• M25: 22,552,029 km (0.059 R)
• M26: 25,018,299 km (0.052 R)
• M27: 26,544,646 km (0.089 R)
• M28: 29,682,761 km (0.107 R)
• M29: 30,882,685 km (0.116 R)
• M30: 33,059,633 km (0.086 R)
• M31: 33,485,688 km (0.038 R)
• M32: 33,699,912 km (0.053 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 14,428 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit