🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827

Radius: 11.7

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.71 AU - 0.75 AU

Year: 409 Days

Day: 12 Hours

Environment

Temp: -134 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,878,676 km

• M1: 145,559 km (0.043 R)
• M2: 550,221 km (0.12 R)
• M3: 939,325 km (0.1 R)
• M4: 1,507,947 km (0.082 R)
• M5: 2,013,587 km (0.113 R)
• M6: 2,399,550 km (0.062 R)
• M7: 2,877,515 km (0.089 R)
• M8: 3,765,229 km (0.036 R)
• M9: 4,301,238 km (0.025 R)
• M10: 5,264,947 km (0.045 R)
• M11: 6,024,905 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.5

Radius: 11

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.02 AU - 1.7 AU

Year: 1040 Days

Day: 10.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,878,676 km

• M1: 137,480 km (0.115 R)
• M2: 529,576 km (0.082 R)
• M3: 932,444 km (0.117 R)
• M4: 1,489,696 km (0.083 R)
• M5: 2,095,417 km (0.117 R)
• M6: 2,935,110 km (0.107 R)
• M7: 3,404,249 km (0.084 R)
• M8: 3,784,976 km (0.115 R)
• M9: 4,275,956 km (0.106 R)
• M10: 4,791,470 km (0.065 R)
• M11: 5,823,845 km (0.092 R)
• M12: 6,702,284 km (0.117 R)
• M13: 9,382,180 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.3

Radius: 11.2

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.55 AU - 1.85 AU

Year: 1454 Days

Day: 14.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,878,676 km

• M1: 139,276 km (0.057 R)
• M2: 547,229 km (0.111 R)
• M3: 1,053,917 km (0.119 R)
• M4: 1,446,911 km (0.099 R)
• M5: 1,876,705 km (0.116 R)
• M6: 2,236,937 km (0.087 R)
• M7: 2,670,172 km (0.092 R)
• M8: 3,115,076 km (0.058 R)
• M9: 3,592,892 km (0.115 R)
• M10: 5,264,499 km (0.113 R)
• M11: 5,675,145 km (0.099 R)
• M12: 6,177,494 km (0.096 R)
• M13: 6,809,097 km (0.091 R)
• M14: 8,173,280 km (0.065 R)
• M15: 8,725,445 km (0.113 R)
• M16: 10,034,576 km (0.115 R)
• M17: 10,977,492 km (0.092 R)
• M18: 12,126,254 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.4

Radius: 9.2

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.5 AU - 3.94 AU

Year: 3790 Days

Day: 8.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,878,676 km

• M1: 114,442 km (0.036 R)
• M2: 537,804 km (0.076 R)
• M3: 911,649 km (0.111 R)
• M4: 1,242,560 km (0.069 R)
• M5: 1,620,444 km (0.103 R)
• M6: 2,034,830 km (0.084 R)
• M7: 2,354,222 km (0.112 R)
• M8: 2,643,394 km (0.086 R)
• M9: 2,973,557 km (0.12 R)
• M10: 4,242,745 km (0.104 R)
• M11: 5,598,551 km (0.112 R)
• M12: 6,260,521 km (0.072 R)
• M13: 8,847,218 km (0.1 R)
• M14: 9,476,876 km (0.032 R)
• M15: 10,096,659 km (0.065 R)
• M16: 10,743,072 km (0.073 R)
• M17: 11,764,077 km (0.114 R)
• M18: 12,617,234 km (0.026 R)
• M19: 13,271,874 km (0.113 R)
• M20: 14,750,799 km (0.058 R)
• M21: 16,336,536 km (0.113 R)
• M22: 17,742,307 km (0.079 R)
• M23: 22,239,668 km (0.113 R)
• M24: 23,056,622 km (0.042 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.1

Radius: 5.2

Gravity: 16.09 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 9.68 AU - 10.92 AU

Year: 21685 Days

Day: 16.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,878,676 km

• M1: 64,626 km (0.082 R)
• M2: 667,506 km (0.12 R)
• M3: 1,181,524 km (0.109 R)
• M4: 1,729,351 km (0.031 R)
• M5: 2,002,218 km (0.077 R)
• M6: 2,751,404 km (0.04 R)
• M7: 3,176,262 km (0.12 R)
• M8: 3,878,923 km (0.067 R)
• M9: 4,379,926 km (0.086 R)
• M10: 4,958,421 km (0.063 R)
• M11: 5,509,839 km (0.095 R)
• M12: 5,899,542 km (0.027 R)
• M13: 11,228,816 km (0.117 R)
• M14: 16,421,807 km (0.091 R)
• M15: 21,941,669 km (0.079 R)
• M16: 27,337,066 km (0.038 R)
• M17: 28,811,952 km (0.101 R)
• M18: 31,183,377 km (0.045 R)
• M19: 33,171,832 km (0.038 R)
• M20: 35,507,952 km (0.09 R)
• M21: 39,072,570 km (0.112 R)
• M22: 50,676,877 km (0.026 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.3

Radius: 7.2

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.74 AU - 11.72 AU

Year: 23057 Days

Day: 15.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,878,676 km

• M1: 114,592 km (0.063 R)
• M2: 364,271 km (0.102 R)
• M3: 797,207 km (0.082 R)
• M4: 1,785,301 km (0.027 R)
• M5: 2,222,426 km (0.117 R)
• M6: 3,170,577 km (0.093 R)
• M7: 4,822,587 km (0.082 R)
• M8: 5,390,011 km (0.089 R)
• M9: 6,389,175 km (0.057 R)
• M10: 7,120,709 km (0.089 R)
• M11: 9,024,342 km (0.117 R)
• M12: 10,488,008 km (0.091 R)
• M13: 13,148,456 km (0.117 R)
• M14: 16,727,735 km (0.045 R)
• M15: 18,289,387 km (0.091 R)
• M16: 20,326,910 km (0.11 R)
• M17: 22,820,706 km (0.069 R)
• M18: 23,766,315 km (0.119 R)
• M19: 32,291,149 km (0.118 R)
• M20: 39,428,763 km (0.1 R)
• M21: 64,475,785 km (0.067 R)
• M22: 67,210,733 km (0.051 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: 206 - 13,590 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit