🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.1

Radius: 12.4

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.53 AU - 0.65 AU

Year: 307 Days

Day: 11.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,826,294 km

• M1: 154,235 km (0.11 R)
• M2: 877,392 km (0.071 R)
• M3: 1,577,809 km (0.117 R)
• M4: 2,143,588 km (0.111 R)
• M5: 2,719,091 km (0.037 R)
• M6: 4,095,242 km (0.113 R)
• M7: 4,653,691 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.9

Radius: 12.4

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.49 AU - 2.11 AU

Year: 1638 Days

Day: 12.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,826,294 km

• M1: 154,235 km (0.031 R)
• M2: 636,988 km (0.055 R)
• M3: 1,065,436 km (0.089 R)
• M4: 1,605,933 km (0.111 R)
• M5: 2,008,351 km (0.098 R)
• M6: 2,401,943 km (0.109 R)
• M7: 3,175,215 km (0.103 R)
• M8: 4,052,906 km (0.049 R)
• M9: 4,730,434 km (0.088 R)
• M10: 5,194,038 km (0.066 R)
• M11: 5,664,823 km (0.039 R)
• M12: 7,088,546 km (0.118 R)
• M13: 7,783,278 km (0.089 R)
• M14: 10,666,627 km (0.096 R)
• M15: 11,617,322 km (0.112 R)
• M16: 12,985,245 km (0.074 R)
• M17: 13,561,496 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.8

Radius: 10.1

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.36 AU - 2.62 AU

Year: 2665 Days

Day: 10 Hours

Environment

Temp: -213 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,826,294 km

• M1: 130,150 km (0.116 R)
• M2: 632,350 km (0.105 R)
• M3: 1,082,341 km (0.115 R)
• M4: 1,490,144 km (0.108 R)
• M5: 2,247,259 km (0.113 R)
• M6: 2,892,026 km (0.104 R)
• M7: 3,210,969 km (0.117 R)
• M8: 3,938,463 km (0.027 R)
• M9: 4,274,161 km (0.072 R)
• M10: 5,696,238 km (0.109 R)
• M11: 6,176,298 km (0.047 R)
• M12: 6,946,727 km (0.079 R)
• M13: 7,299,927 km (0.119 R)
• M14: 8,131,392 km (0.055 R)
• M15: 8,929,347 km (0.074 R)
• M16: 10,292,633 km (0.051 R)
• M17: 11,189,173 km (0.085 R)
• M18: 11,713,513 km (0.108 R)
• M19: 12,451,330 km (0.106 R)
• M20: 14,062,499 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.2

Radius: 9

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.2 AU - 4.24 AU

Year: 4866 Days

Day: 6.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,826,294 km

• M1: 111,899 km (0.112 R)
• M2: 915,689 km (0.101 R)
• M3: 1,248,095 km (0.108 R)
• M4: 1,756,877 km (0.109 R)
• M5: 2,206,868 km (0.074 R)
• M6: 2,537,928 km (0.038 R)
• M7: 3,593,640 km (0.097 R)
• M8: 4,276,704 km (0.034 R)
• M9: 7,863,462 km (0.087 R)
• M10: 14,424,376 km (0.096 R)
• M11: 16,530,266 km (0.109 R)
• M12: 23,275,035 km (0.056 R)
• M13: 24,725,386 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578.2

Radius: 3.3

Gravity: 53.09 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.92 AU - 6.38 AU

Year: 9109 Days

Day: 22.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 29,826,294 km

• M1: 42,785 km (0.041 R)
• M2: 246,238 km (0.119 R)
• M3: 896,839 km (0.119 R)
• M4: 1,004,849 km (0.066 R)
• M5: 1,166,415 km (0.105 R)
• M6: 1,460,823 km (0.098 R)
• M7: 1,727,257 km (0.105 R)
• M8: 3,214,260 km (0.093 R)
• M9: 3,663,502 km (0.103 R)
• M10: 6,089,830 km (0.061 R)
• M11: 6,737,290 km (0.089 R)
• M12: 6,963,033 km (0.045 R)
• M13: 7,711,022 km (0.107 R)
• M14: 7,958,008 km (0.077 R)
• M15: 8,252,866 km (0.086 R)
• M16: 9,089,567 km (0.09 R)
• M17: 10,674,556 km (0.04 R)
• M18: 13,412,496 km (0.105 R)
• M19: 16,113,037 km (0.077 R)
• M20: 16,381,266 km (0.102 R)
• M21: 17,413,641 km (0.1 R)
• M22: 18,930,863 km (0.057 R)
• M23: 23,919,952 km (0.103 R)
• M24: 35,362,393 km (0.097 R)
• M25: 35,815,226 km (0.06 R)
• M26: 36,848,200 km (0.1 R)
• M27: 41,303,823 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.6

Radius: 7.3

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.39 AU - 9.21 AU

Year: 14775 Days

Day: 17.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,826,294 km

• M1: 90,806 km (0.106 R)
• M2: 578,046 km (0.081 R)
• M3: 1,609,224 km (0.036 R)
• M4: 2,891,727 km (0.101 R)
• M5: 3,852,444 km (0.088 R)
• M6: 4,442,907 km (0.103 R)
• M7: 4,773,070 km (0.118 R)
• M8: 5,284,844 km (0.04 R)
• M9: 5,803,051 km (0.031 R)
• M10: 6,578,118 km (0.092 R)
• M11: 10,914,361 km (0.098 R)
• M12: 11,945,988 km (0.115 R)
• M13: 14,039,611 km (0.1 R)
• M14: 14,585,194 km (0.097 R)
• M15: 15,088,142 km (0.055 R)
• M16: 15,718,547 km (0.064 R)
• M17: 19,807,057 km (0.116 R)
• M18: 20,842,125 km (0.116 R)
• M19: 22,795,424 km (0.025 R)
• M20: 25,585,275 km (0.113 R)
• M21: 27,821,314 km (0.111 R)
• M22: 29,470,930 km (0.052 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 15,197 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit