🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.7

Radius: 8.7

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.63 AU - 0.69 AU

Year: 370 Days

Day: 13.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,937,744 km

• M1: 108,159 km (0.094 R)
• M2: 422,315 km (0.091 R)
• M3: 701,315 km (0.098 R)
• M4: 994,078 km (0.103 R)
• M5: 1,395,000 km (0.113 R)
• M6: 1,758,822 km (0.068 R)
• M7: 2,076,718 km (0.091 R)
• M8: 2,423,934 km (0.11 R)
• M9: 2,996,296 km (0.086 R)
• M10: 3,656,172 km (0.094 R)
• M11: 4,286,129 km (0.062 R)
• M12: 4,677,626 km (0.071 R)
• M13: 5,169,504 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.2

Radius: 8

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.67 AU - 0.71 AU

Year: 396 Days

Day: 10.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,937,744 km

• M1: 99,483 km (0.117 R)
• M2: 418,276 km (0.084 R)
• M3: 701,165 km (0.116 R)
• M4: 1,151,754 km (0.05 R)
• M5: 1,525,749 km (0.093 R)
• M6: 1,902,735 km (0.101 R)
• M7: 2,349,734 km (0.116 R)
• M8: 3,464,836 km (0.114 R)
• M9: 4,423,160 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.3

Radius: 11.9

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.77 AU - 0.89 AU

Year: 522 Days

Day: 10.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 39,937,744 km

• M1: 147,952 km (0.063 R)
• M2: 863,030 km (0.114 R)
• M3: 1,308,682 km (0.044 R)
• M4: 2,584,602 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.7

Radius: 13

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.55 AU - 2.43 AU

Year: 1938 Days

Day: 11.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,937,744 km

• M1: 162,314 km (0.118 R)
• M2: 865,124 km (0.037 R)
• M3: 1,512,285 km (0.042 R)
• M4: 2,576,973 km (0.074 R)
• M5: 3,330,198 km (0.065 R)
• M6: 3,759,394 km (0.109 R)
• M7: 4,730,584 km (0.115 R)
• M8: 5,253,129 km (0.12 R)
• M9: 6,059,312 km (0.12 R)
• M10: 7,594,486 km (0.1 R)
• M11: 8,221,001 km (0.096 R)
• M12: 9,921,929 km (0.114 R)
• M13: 10,381,494 km (0.099 R)
• M14: 11,496,896 km (0.106 R)
• M15: 11,964,838 km (0.056 R)
• M16: 12,486,037 km (0.109 R)
• M17: 14,141,337 km (0.117 R)
• M18: 14,588,485 km (0.05 R)
• M19: 16,374,235 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.4

Radius: 13.3

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.79 AU - 2.59 AU

Year: 2237 Days

Day: 8.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,937,744 km

• M1: 165,455 km (0.12 R)
• M2: 769,681 km (0.098 R)
• M3: 2,559,470 km (0.103 R)
• M4: 5,903,880 km (0.091 R)
• M5: 9,148,209 km (0.114 R)
• M6: 9,607,175 km (0.068 R)
• M7: 10,894,465 km (0.11 R)
• M8: 14,591,328 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.7

Radius: 4.8

Gravity: 34.71 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.94 AU - 7.8 AU

Year: 12429 Days

Day: 21.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,937,744 km

• M1: 60,288 km (0.088 R)
• M2: 446,998 km (0.064 R)
• M3: 671,844 km (0.088 R)
• M4: 1,132,157 km (0.042 R)
• M5: 1,571,376 km (0.084 R)
• M6: 1,779,317 km (0.118 R)
• M7: 2,391,172 km (0.052 R)
• M8: 2,964,431 km (0.111 R)
• M9: 3,490,567 km (0.048 R)
• M10: 5,024,693 km (0.112 R)
• M11: 5,733,039 km (0.082 R)
• M12: 6,959,143 km (0.102 R)
• M13: 7,655,821 km (0.091 R)
• M14: 9,494,977 km (0.065 R)
• M15: 11,490,912 km (0.103 R)
• M16: 12,839,237 km (0.118 R)
• M17: 19,880,959 km (0.08 R)
• M18: 20,396,473 km (0.105 R)
• M19: 23,297,624 km (0.107 R)
• M20: 23,678,650 km (0.064 R)
• M21: 23,870,734 km (0.106 R)
• M22: 27,296,076 km (0.088 R)
• M23: 27,719,438 km (0.046 R)
• M24: 28,579,327 km (0.115 R)
• M25: 40,460,988 km (0.077 R)
• M26: 41,288,264 km (0.073 R)
• M27: 52,600,556 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80

Radius: 7.5

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.58 AU - 11.68 AU

Year: 22255 Days

Day: 21.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,937,744 km

• M1: 153,936 km (0.111 R)
• M2: 895,044 km (0.077 R)
• M3: 2,279,572 km (0.079 R)
• M4: 3,239,093 km (0.112 R)
• M5: 4,752,276 km (0.092 R)
• M6: 5,760,565 km (0.081 R)
• M7: 32,871,589 km (0.092 R)
• M8: 38,055,604 km (0.093 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 15,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit