🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.7

Radius: 12.7

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.49 AU - 1.79 AU

Year: 1424 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,997,702 km

• M1: 157,975 km (0.091 R)
• M2: 592,258 km (0.104 R)
• M3: 1,215,782 km (0.097 R)
• M4: 1,714,541 km (0.09 R)
• M5: 2,125,187 km (0.068 R)
• M6: 3,094,582 km (0.102 R)
• M7: 4,232,872 km (0.112 R)
• M8: 5,055,660 km (0.111 R)
• M9: 6,026,849 km (0.099 R)
• M10: 6,486,414 km (0.067 R)
• M11: 8,310,461 km (0.088 R)
• M12: 8,764,939 km (0.057 R)
• M13: 9,848,327 km (0.119 R)
• M14: 10,357,708 km (0.066 R)
• M15: 11,394,720 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488

Radius: 14.1

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.7 AU - 2.16 AU

Year: 1819 Days

Day: 8.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,997,702 km

• M1: 175,329 km (0.086 R)
• M2: 624,122 km (0.074 R)
• M3: 1,063,192 km (0.063 R)
• M4: 1,638,396 km (0.096 R)
• M5: 2,229,457 km (0.079 R)
• M6: 3,832,548 km (0.064 R)
• M7: 4,497,660 km (0.038 R)
• M8: 5,260,011 km (0.06 R)
• M9: 6,441,385 km (0.082 R)
• M10: 7,331,642 km (0.067 R)
• M11: 7,820,528 km (0.096 R)
• M12: 10,197,339 km (0.051 R)
• M13: 11,407,137 km (0.106 R)
• M14: 12,065,517 km (0.041 R)
• M15: 13,021,896 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.8

Radius: 11.2

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.18 AU - 3.82 AU

Year: 4441 Days

Day: 11.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,997,702 km

• M1: 139,276 km (0.087 R)
• M2: 708,795 km (0.086 R)
• M3: 1,471,145 km (0.082 R)
• M4: 2,040,665 km (0.115 R)
• M5: 2,540,920 km (0.101 R)
• M6: 3,195,710 km (0.092 R)
• M7: 4,271,019 km (0.083 R)
• M8: 4,792,817 km (0.104 R)
• M9: 5,172,646 km (0.077 R)
• M10: 5,936,044 km (0.099 R)
• M11: 7,450,722 km (0.108 R)
• M12: 8,032,209 km (0.06 R)
• M13: 11,719,497 km (0.04 R)
• M14: 15,623,852 km (0.043 R)
• M15: 17,039,197 km (0.115 R)
• M16: 18,973,498 km (0.116 R)
• M17: 19,993,606 km (0.053 R)
• M18: 20,451,375 km (0.034 R)
• M19: 20,982,897 km (0.104 R)
• M20: 23,273,689 km (0.069 R)
• M21: 24,220,344 km (0.118 R)
• M22: 25,041,188 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.1

Radius: 8.2

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.98 AU - 4.16 AU

Year: 5569 Days

Day: 12 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,997,702 km

• M1: 102,624 km (0.114 R)
• M2: 403,765 km (0.109 R)
• M3: 2,131,022 km (0.076 R)
• M4: 2,744,523 km (0.107 R)
• M5: 4,269,673 km (0.084 R)
• M6: 6,451,707 km (0.058 R)
• M7: 7,087,349 km (0.07 R)
• M8: 7,874,832 km (0.098 R)
• M9: 10,542,162 km (0.026 R)
• M10: 12,152,882 km (0.099 R)
• M11: 15,038,476 km (0.11 R)
• M12: 17,961,169 km (0.031 R)
• M13: 22,569,382 km (0.106 R)
• M14: 23,872,529 km (0.1 R)
• M15: 24,582,521 km (0.064 R)
• M16: 26,712,495 km (0.067 R)
• M17: 29,051,607 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.8

Radius: 10.4

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.13 AU - 5.83 AU

Year: 7538 Days

Day: 9.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,997,702 km

• M1: 130,001 km (0.05 R)
• M2: 675,734 km (0.114 R)
• M3: 2,105,291 km (0.091 R)
• M4: 2,429,469 km (0.085 R)
• M5: 3,801,282 km (0.099 R)
• M6: 4,223,896 km (0.109 R)
• M7: 4,700,066 km (0.077 R)
• M8: 5,708,804 km (0.102 R)
• M9: 6,237,334 km (0.106 R)
• M10: 9,135,643 km (0.088 R)
• M11: 13,599,494 km (0.078 R)
• M12: 15,937,260 km (0.092 R)
• M13: 17,913,298 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126

Radius: 3.1

Gravity: 13.11 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.6 AU - 8.28 AU

Year: 15175 Days

Day: 21.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,997,702 km

• M1: 39,045 km (0.061 R)
• M2: 155,133 km (0.075 R)
• M3: 309,368 km (0.117 R)
• M4: 627,862 km (0.058 R)
• M5: 879,785 km (0.059 R)
• M6: 1,606,831 km (0.055 R)
• M7: 2,553,336 km (0.118 R)
• M8: 3,164,743 km (0.089 R)
• M9: 3,965,840 km (0.082 R)
• M10: 4,295,104 km (0.087 R)
• M11: 6,252,593 km (0.098 R)
• M12: 9,159,130 km (0.117 R)
• M13: 9,777,717 km (0.093 R)
• M14: 10,189,859 km (0.09 R)
• M15: 12,372,492 km (0.111 R)
• M16: 12,585,220 km (0.108 R)
• M17: 15,269,604 km (0.096 R)
• M18: 23,231,203 km (0.034 R)
• M19: 24,128,341 km (0.06 R)
• M20: 24,795,249 km (0.082 R)
• M21: 25,732,031 km (0.119 R)
• M22: 29,055,946 km (0.035 R)
• M23: 32,352,634 km (0.111 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 11,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit