🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.4

Radius: 12.1

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.75 AU - 0.89 AU

Year: 487 Days

Day: 12.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,738,438 km

• M1: 151,842 km (0.109 R)
• M2: 560,094 km (0.097 R)
• M3: 1,007,691 km (0.12 R)
• M4: 1,499,719 km (0.077 R)
• M5: 2,142,391 km (0.067 R)
• M6: 2,552,888 km (0.084 R)
• M7: 3,286,366 km (0.086 R)
• M8: 4,047,520 km (0.089 R)
• M9: 4,506,337 km (0.105 R)
• M10: 5,093,508 km (0.06 R)
• M11: 5,782,257 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.6

Radius: 12.3

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.85 AU - 3.09 AU

Year: 2547 Days

Day: 13.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 17,738,438 km

• M1: 153,039 km (0.09 R)
• M2: 611,107 km (0.083 R)
• M3: 1,030,430 km (0.109 R)
• M4: 1,433,297 km (0.097 R)
• M5: 1,877,603 km (0.093 R)
• M6: 2,311,885 km (0.056 R)
• M7: 3,098,920 km (0.101 R)
• M8: 3,572,696 km (0.089 R)
• M9: 4,189,788 km (0.055 R)
• M10: 4,771,424 km (0.09 R)
• M11: 5,248,043 km (0.054 R)
• M12: 5,638,045 km (0.119 R)
• M13: 6,554,631 km (0.084 R)
• M14: 8,127,503 km (0.107 R)
• M15: 8,905,860 km (0.09 R)
• M16: 9,429,603 km (0.115 R)
• M17: 10,148,121 km (0.073 R)
• M18: 11,125,145 km (0.113 R)
• M19: 11,966,932 km (0.029 R)
• M20: 12,443,700 km (0.104 R)
• M21: 14,301,257 km (0.06 R)
• M22: 15,622,506 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.1

Radius: 8.7

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.69 AU - 2.75 AU

Year: 2943 Days

Day: 8.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 17,738,438 km

• M1: 108,758 km (0.085 R)
• M2: 457,919 km (0.078 R)
• M3: 781,499 km (0.092 R)
• M4: 1,182,422 km (0.082 R)
• M5: 1,489,696 km (0.082 R)
• M6: 2,906,238 km (0.114 R)
• M7: 4,338,937 km (0.08 R)
• M8: 4,650,250 km (0.12 R)
• M9: 5,060,447 km (0.108 R)
• M10: 5,906,423 km (0.106 R)
• M11: 6,487,461 km (0.087 R)
• M12: 7,159,455 km (0.12 R)
• M13: 8,430,887 km (0.118 R)
• M14: 10,593,773 km (0.105 R)
• M15: 13,880,139 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.8

Radius: 8.7

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.53 AU - 3.59 AU

Year: 4406 Days

Day: 10.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 17,738,438 km

• M1: 111,750 km (0.087 R)
• M2: 560,842 km (0.115 R)
• M3: 1,579,454 km (0.101 R)
• M4: 2,718,044 km (0.078 R)
• M5: 3,373,133 km (0.111 R)
• M6: 3,954,470 km (0.047 R)
• M7: 4,289,719 km (0.043 R)
• M8: 5,039,803 km (0.046 R)
• M9: 5,410,656 km (0.078 R)
• M10: 5,824,743 km (0.113 R)
• M11: 6,181,384 km (0.109 R)
• M12: 7,725,832 km (0.118 R)
• M13: 9,067,277 km (0.078 R)
• M14: 9,408,360 km (0.087 R)
• M15: 10,483,220 km (0.062 R)
• M16: 10,821,162 km (0.116 R)
• M17: 12,536,900 km (0.075 R)
• M18: 13,569,873 km (0.052 R)
• M19: 13,971,394 km (0.112 R)
• M20: 17,111,304 km (0.1 R)
• M21: 17,685,610 km (0.106 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 17,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit