🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.2

Radius: 8.3

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.04 AU - 1.48 AU

Year: 928 Days

Day: 9.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,849,524 km

• M1: 103,522 km (0.087 R)
• M2: 361,877 km (0.111 R)
• M3: 668,852 km (0.075 R)
• M4: 1,126,622 km (0.112 R)
• M5: 1,411,007 km (0.118 R)
• M6: 2,208,214 km (0.059 R)
• M7: 2,742,727 km (0.101 R)
• M8: 3,253,754 km (0.107 R)
• M9: 3,709,728 km (0.051 R)
• M10: 4,598,339 km (0.057 R)
• M11: 5,189,401 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85

Radius: 15

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.81 AU - 2.13 AU

Year: 1814 Days

Day: 12.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,849,524 km

• M1: 186,549 km (0.068 R)
• M2: 854,054 km (0.118 R)
• M3: 1,548,936 km (0.043 R)
• M4: 2,210,907 km (0.053 R)
• M5: 3,154,421 km (0.104 R)
• M6: 4,188,292 km (0.093 R)
• M7: 4,874,647 km (0.114 R)
• M8: 5,544,995 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.8

Radius: 10.1

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.86 AU - 3.48 AU

Year: 3703 Days

Day: 6.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,849,524 km

• M1: 125,662 km (0.077 R)
• M2: 585,376 km (0.081 R)
• M3: 1,283,849 km (0.065 R)
• M4: 2,083,599 km (0.067 R)
• M5: 2,516,236 km (0.118 R)
• M6: 3,168,034 km (0.068 R)
• M7: 3,783,929 km (0.027 R)
• M8: 5,026,937 km (0.08 R)
• M9: 5,540,656 km (0.058 R)
• M10: 6,145,929 km (0.11 R)
• M11: 6,464,722 km (0.066 R)
• M12: 9,053,813 km (0.119 R)
• M13: 11,207,573 km (0.118 R)
• M14: 15,047,152 km (0.098 R)
• M15: 15,682,046 km (0.113 R)
• M16: 16,169,884 km (0.107 R)
• M17: 17,347,519 km (0.077 R)
• M18: 19,373,971 km (0.072 R)
• M19: 22,978,532 km (0.074 R)
• M20: 23,537,579 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379

Radius: 11.7

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.42 AU - 5.56 AU

Year: 7312 Days

Day: 6.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,849,524 km

• M1: 145,559 km (0.104 R)
• M2: 596,148 km (0.084 R)
• M3: 1,092,663 km (0.104 R)
• M4: 1,520,363 km (0.1 R)
• M5: 2,119,802 km (0.071 R)
• M6: 2,817,078 km (0.102 R)
• M7: 3,342,166 km (0.114 R)
• M8: 3,840,327 km (0.11 R)
• M9: 4,825,429 km (0.077 R)
• M10: 6,576,173 km (0.118 R)
• M11: 7,186,083 km (0.071 R)
• M12: 9,285,989 km (0.056 R)
• M13: 10,275,279 km (0.103 R)
• M14: 12,412,435 km (0.052 R)
• M15: 15,584,059 km (0.099 R)
• M16: 17,483,802 km (0.113 R)
• M17: 20,865,911 km (0.083 R)
• M18: 23,245,864 km (0.049 R)
• M19: 24,741,693 km (0.09 R)
• M20: 25,390,349 km (0.117 R)
• M21: 29,613,796 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304.1

Radius: 4.6

Gravity: 14.37 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.15 AU - 8.25 AU

Year: 11377 Days

Day: 19.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 39,849,524 km

• M1: 57,146 km (0.084 R)
• M2: 463,753 km (0.081 R)
• M3: 772,823 km (0.118 R)
• M4: 1,254,229 km (0.081 R)
• M5: 1,539,811 km (0.119 R)
• M6: 1,792,781 km (0.108 R)
• M7: 1,944,922 km (0.104 R)
• M8: 2,189,365 km (0.072 R)
• M9: 3,563,720 km (0.118 R)
• M10: 4,136,082 km (0.089 R)
• M11: 4,767,385 km (0.104 R)
• M12: 5,212,439 km (0.117 R)
• M13: 5,460,921 km (0.077 R)
• M14: 6,184,825 km (0.113 R)
• M15: 6,786,507 km (0.053 R)
• M16: 9,959,777 km (0.098 R)
• M17: 10,342,449 km (0.066 R)
• M18: 11,654,123 km (0.109 R)
• M19: 12,569,213 km (0.114 R)
• M20: 13,072,610 km (0.027 R)
• M21: 13,358,043 km (0.083 R)
• M22: 14,602,398 km (0.049 R)
• M23: 16,710,681 km (0.12 R)
• M24: 19,159,448 km (0.113 R)
• M25: 20,202,594 km (0.045 R)
• M26: 22,892,214 km (0.073 R)
• M27: 24,841,325 km (0.088 R)
• M28: 27,452,855 km (0.087 R)
• M29: 28,394,125 km (0.116 R)
• M30: 31,144,182 km (0.088 R)
• M31: 32,897,619 km (0.104 R)
• M32: 39,849,582 km (0.119 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: 217 - 14,726 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit