🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.8

Radius: 11

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.58 AU - 0.84 AU

Year: 406 Days

Day: 14.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,697,803 km

• M1: 136,882 km (0.113 R)
• M2: 489,484 km (0.115 R)
• M3: 838,646 km (0.09 R)
• M4: 1,218,923 km (0.042 R)
• M5: 1,699,731 km (0.065 R)
• M6: 2,129,974 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.1

Radius: 12.6

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.59 AU - 0.91 AU

Year: 441 Days

Day: 5.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,697,803 km

• M1: 156,629 km (0.09 R)
• M2: 549,473 km (0.109 R)
• M3: 1,016,368 km (0.089 R)
• M4: 1,479,224 km (0.084 R)
• M5: 2,810,346 km (0.12 R)
• M6: 3,905,701 km (0.112 R)
• M7: 4,301,986 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.5

Radius: 13.5

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.77 AU - 1.01 AU

Year: 569 Days

Day: 5.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,697,803 km

• M1: 167,998 km (0.082 R)
• M2: 634,744 km (0.08 R)
• M3: 1,366,427 km (0.1 R)
• M4: 1,792,781 km (0.102 R)
• M5: 3,020,979 km (0.09 R)
• M6: 3,775,401 km (0.108 R)
• M7: 4,366,612 km (0.056 R)
• M8: 6,158,346 km (0.104 R)
• M9: 7,153,770 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.7

Radius: 12.4

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.51 AU - 1.51 AU

Year: 1259 Days

Day: 11.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,697,803 km

• M1: 154,535 km (0.088 R)
• M2: 584,329 km (0.094 R)
• M3: 1,083,537 km (0.058 R)
• M4: 1,636,302 km (0.056 R)
• M5: 2,189,365 km (0.075 R)
• M6: 2,686,778 km (0.076 R)
• M7: 4,070,558 km (0.077 R)
• M8: 4,683,012 km (0.042 R)
• M9: 6,730,408 km (0.075 R)
• M10: 7,345,854 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.8

Radius: 12.3

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.36 AU - 1.74 AU

Year: 1309 Days

Day: 6.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,697,803 km

• M1: 185,053 km (0.059 R)
• M2: 790,326 km (0.079 R)
• M3: 1,196,484 km (0.068 R)
• M4: 1,608,028 km (0.076 R)
• M5: 2,030,043 km (0.117 R)
• M6: 2,787,308 km (0.117 R)
• M7: 3,768,221 km (0.05 R)
• M8: 4,362,872 km (0.076 R)
• M9: 4,827,673 km (0.118 R)
• M10: 6,572,582 km (0.041 R)
• M11: 7,506,372 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.4

Radius: 10.8

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.65 AU - 4.95 AU

Year: 7133 Days

Day: 8.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,697,803 km

• M1: 134,788 km (0.072 R)
• M2: 1,026,391 km (0.091 R)
• M3: 2,248,755 km (0.032 R)
• M4: 2,864,799 km (0.104 R)
• M5: 5,580,300 km (0.048 R)
• M6: 6,568,992 km (0.094 R)
• M7: 6,972,308 km (0.11 R)
• M8: 7,361,562 km (0.102 R)
• M9: 8,448,689 km (0.1 R)
• M10: 9,530,432 km (0.098 R)
• M11: 10,741,277 km (0.118 R)
• M12: 11,590,095 km (0.061 R)
• M13: 13,743,856 km (0.069 R)
• M14: 14,598,209 km (0.094 R)
• M15: 17,483,204 km (0.072 R)
• M16: 18,771,242 km (0.074 R)
• M17: 20,001,535 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277

Radius: 5.9

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.52 AU - 10.68 AU

Year: 17106 Days

Day: 17.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,697,803 km

• M1: 74,201 km (0.093 R)
• M2: 273,016 km (0.108 R)
• M3: 781,948 km (0.108 R)
• M4: 1,386,323 km (0.069 R)
• M5: 1,625,680 km (0.078 R)
• M6: 2,658,504 km (0.088 R)
• M7: 2,873,177 km (0.075 R)
• M8: 3,613,836 km (0.082 R)
• M9: 4,070,408 km (0.038 R)
• M10: 4,779,353 km (0.075 R)
• M11: 6,213,548 km (0.067 R)
• M12: 6,516,034 km (0.117 R)
• M13: 7,482,885 km (0.084 R)
• M14: 8,868,910 km (0.111 R)
• M15: 10,260,469 km (0.102 R)
• M16: 11,451,567 km (0.117 R)
• M17: 12,492,320 km (0.076 R)
• M18: 13,220,263 km (0.087 R)
• M19: 13,531,726 km (0.12 R)
• M20: 21,175,279 km (0.046 R)
• M21: 22,034,121 km (0.059 R)
• M22: 27,782,269 km (0.114 R)
• M23: 32,724,684 km (0.068 R)
• M24: 35,761,969 km (0.108 R)
• M25: 41,987,186 km (0.111 R)
• M26: 42,390,202 km (0.094 R)
• M27: 49,942,202 km (0.076 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 10,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit