🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.6

Radius: 12.9

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.52 AU - 0.76 AU

Year: 347 Days

Day: 12.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,184,864 km

• M1: 160,519 km (0.031 R)
• M2: 586,424 km (0.027 R)
• M3: 1,111,363 km (0.118 R)
• M4: 1,576,313 km (0.105 R)
• M5: 2,302,162 km (0.117 R)
• M6: 2,752,750 km (0.104 R)
• M7: 3,262,580 km (0.082 R)
• M8: 3,729,475 km (0.094 R)
• M9: 4,304,828 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.6

Radius: 8.6

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.82 AU - 0.86 AU

Year: 522 Days

Day: 12 Hours

Environment

Temp: -161 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,184,864 km

• M1: 114,442 km (0.071 R)
• M2: 477,666 km (0.112 R)
• M3: 755,170 km (0.097 R)
• M4: 1,180,178 km (0.109 R)
• M5: 1,497,774 km (0.09 R)
• M6: 2,328,341 km (0.118 R)
• M7: 3,735,908 km (0.046 R)
• M8: 4,282,089 km (0.118 R)
• M9: 5,141,828 km (0.09 R)
• M10: 5,429,655 km (0.072 R)
• M11: 6,790,397 km (0.069 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.7

Radius: 7.8

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.02 AU - 7.94 AU

Year: 12508 Days

Day: 19.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,184,864 km

• M1: 97,538 km (0.033 R)
• M2: 343,477 km (0.091 R)
• M3: 819,198 km (0.118 R)
• M4: 1,347,428 km (0.052 R)
• M5: 1,620,594 km (0.056 R)
• M6: 2,007,155 km (0.106 R)
• M7: 3,236,251 km (0.105 R)
• M8: 3,500,740 km (0.105 R)
• M9: 5,194,636 km (0.094 R)
• M10: 6,578,267 km (0.107 R)
• M11: 7,991,967 km (0.102 R)
• M12: 11,712,466 km (0.105 R)
• M13: 13,377,042 km (0.089 R)
• M14: 13,888,517 km (0.062 R)
• M15: 15,687,880 km (0.12 R)
• M16: 21,466,546 km (0.067 R)
• M17: 22,563,548 km (0.081 R)
• M18: 23,697,500 km (0.068 R)
• M19: 24,278,388 km (0.07 R)
• M20: 24,530,311 km (0.087 R)
• M21: 26,254,426 km (0.112 R)
• M22: 29,654,188 km (0.118 R)
• M23: 34,381,779 km (0.098 R)
• M24: 35,019,366 km (0.068 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.4

Radius: 3.2

Gravity: 57.36 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.87 AU - 7.35 AU

Year: 12859 Days

Day: 20.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,184,864 km

• M1: 39,943 km (0.052 R)
• M2: 157,975 km (0.09 R)
• M3: 426,653 km (0.032 R)
• M4: 567,126 km (0.079 R)
• M5: 1,098,946 km (0.088 R)
• M6: 2,677,951 km (0.079 R)
• M7: 3,885,655 km (0.098 R)
• M8: 5,520,161 km (0.11 R)
• M9: 6,216,689 km (0.101 R)
• M10: 8,750,428 km (0.042 R)
• M11: 9,540,305 km (0.119 R)
• M12: 12,926,154 km (0.088 R)
• M13: 15,299,823 km (0.08 R)
• M14: 16,736,262 km (0.117 R)
• M15: 20,630,294 km (0.107 R)
• M16: 21,145,061 km (0.054 R)
• M17: 21,756,318 km (0.095 R)
• M18: 26,569,928 km (0.094 R)
• M19: 26,771,885 km (0.064 R)
• M20: 27,590,186 km (0.077 R)
• M21: 46,613,051 km (0.104 R)
• M22: 46,759,806 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.5

Radius: 5.2

Gravity: 17.99 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.48 AU - 8.6 AU

Year: 15462 Days

Day: 19.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,184,864 km

• M1: 64,626 km (0.074 R)
• M2: 285,732 km (0.099 R)
• M3: 632,350 km (0.096 R)
• M4: 1,291,927 km (0.088 R)
• M5: 1,989,502 km (0.104 R)
• M6: 2,663,590 km (0.109 R)
• M7: 4,326,819 km (0.098 R)
• M8: 5,132,105 km (0.102 R)
• M9: 5,339,447 km (0.09 R)
• M10: 6,186,321 km (0.076 R)
• M11: 6,784,862 km (0.083 R)
• M12: 9,829,627 km (0.108 R)
• M13: 19,322,959 km (0.06 R)
• M14: 19,740,935 km (0.083 R)
• M15: 21,207,443 km (0.118 R)
• M16: 24,452,520 km (0.106 R)
• M17: 29,091,400 km (0.05 R)
• M18: 53,497,246 km (0.118 R)
• M19: 54,986,044 km (0.101 R)
• M20: 55,656,392 km (0.097 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 14,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit