🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.4

Radius: 12.1

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.83 AU - 0.97 AU

Year: 569 Days

Day: 7.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 51,245,380 km

• M1: 150,495 km (0.05 R)
• M2: 622,327 km (0.074 R)
• M3: 1,112,859 km (0.119 R)
• M4: 1,592,320 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.6

Radius: 8.7

Gravity: 11.83 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.99 AU - 1.57 AU

Year: 966 Days

Day: 10.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,245,380 km

• M1: 108,159 km (0.084 R)
• M2: 415,134 km (0.096 R)
• M3: 712,385 km (0.115 R)
• M4: 1,123,779 km (0.063 R)
• M5: 1,409,212 km (0.037 R)
• M6: 1,965,716 km (0.029 R)
• M7: 2,563,509 km (0.074 R)
• M8: 3,025,916 km (0.12 R)
• M9: 3,696,863 km (0.06 R)
• M10: 4,018,049 km (0.071 R)
• M11: 4,680,020 km (0.119 R)
• M12: 5,372,508 km (0.033 R)
• M13: 6,087,437 km (0.11 R)
• M14: 7,032,446 km (0.061 R)
• M15: 8,367,607 km (0.102 R)
• M16: 9,297,956 km (0.105 R)
• M17: 10,358,605 km (0.076 R)
• M18: 10,772,393 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.4

Radius: 10.2

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.57 AU - 2.39 AU

Year: 1858 Days

Day: 5.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,245,380 km

• M1: 126,859 km (0.092 R)
• M2: 469,887 km (0.105 R)
• M3: 1,160,730 km (0.049 R)
• M4: 1,583,942 km (0.116 R)
• M5: 2,109,480 km (0.089 R)
• M6: 2,451,012 km (0.074 R)
• M7: 3,012,153 km (0.093 R)
• M8: 3,756,103 km (0.066 R)
• M9: 4,933,139 km (0.047 R)
• M10: 5,454,338 km (0.056 R)
• M11: 6,198,289 km (0.093 R)
• M12: 7,346,452 km (0.113 R)
• M13: 7,804,820 km (0.091 R)
• M14: 9,420,028 km (0.097 R)
• M15: 10,356,212 km (0.113 R)
• M16: 11,675,366 km (0.054 R)
• M17: 12,077,335 km (0.078 R)
• M18: 12,678,569 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.3

Radius: 10.3

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.86 AU - 4.04 AU

Year: 4273 Days

Day: 6.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,245,380 km

• M1: 128,205 km (0.069 R)
• M2: 489,933 km (0.045 R)
• M3: 1,024,297 km (0.051 R)
• M4: 1,708,108 km (0.098 R)
• M5: 2,232,599 km (0.108 R)
• M6: 2,861,957 km (0.085 R)
• M7: 4,284,782 km (0.085 R)
• M8: 4,618,535 km (0.091 R)
• M9: 5,782,406 km (0.09 R)
• M10: 7,164,840 km (0.111 R)
• M11: 7,810,355 km (0.088 R)
• M12: 10,315,072 km (0.08 R)
• M13: 11,362,108 km (0.092 R)
• M14: 13,413,095 km (0.107 R)
• M15: 15,476,648 km (0.118 R)
• M16: 17,622,031 km (0.098 R)
• M17: 18,545,947 km (0.051 R)
• M18: 19,115,466 km (0.076 R)
• M19: 19,631,579 km (0.113 R)
• M20: 20,422,952 km (0.104 R)
• M21: 21,304,233 km (0.091 R)
• M22: 22,637,599 km (0.096 R)
• M23: 25,161,315 km (0.105 R)
• M24: 25,703,158 km (0.12 R)
• M25: 26,810,332 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.2

Radius: 14.8

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.38 AU - 5.08 AU

Year: 6860 Days

Day: 12.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,245,380 km

• M1: 184,005 km (0.04 R)
• M2: 732,431 km (0.088 R)
• M3: 1,783,057 km (0.089 R)
• M4: 2,433,509 km (0.078 R)
• M5: 3,473,214 km (0.09 R)
• M6: 4,547,476 km (0.1 R)
• M7: 5,663,925 km (0.112 R)
• M8: 7,758,744 km (0.072 R)
• M9: 8,437,170 km (0.066 R)
• M10: 9,116,195 km (0.086 R)
• M11: 13,074,256 km (0.037 R)
• M12: 13,779,011 km (0.07 R)
• M13: 14,562,156 km (0.058 R)
• M14: 15,155,162 km (0.071 R)
• M15: 16,103,463 km (0.088 R)
• M16: 16,972,626 km (0.086 R)
• M17: 18,868,031 km (0.104 R)
• M18: 25,787,681 km (0.094 R)

Asteroid Belt

Center: 5.05 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.5

Radius: 14.3

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.27 AU - 5.47 AU

Year: 8298 Days

Day: 9.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,245,380 km

• M1: 177,872 km (0.108 R)
• M2: 783,893 km (0.098 R)
• M3: 1,855,762 km (0.059 R)
• M4: 3,221,740 km (0.082 R)
• M5: 5,304,292 km (0.093 R)
• M6: 7,314,139 km (0.092 R)
• M7: 8,512,717 km (0.111 R)
• M8: 9,366,622 km (0.115 R)
• M9: 10,526,005 km (0.074 R)
• M10: 13,071,114 km (0.113 R)
• M11: 14,085,388 km (0.117 R)
• M12: 15,023,366 km (0.054 R)
• M13: 16,069,354 km (0.08 R)
• M14: 29,348,110 km (0.07 R)
• M15: 29,852,106 km (0.058 R)
• M16: 32,567,157 km (0.114 R)
• M17: 33,434,675 km (0.071 R)
• M18: 39,453,895 km (0.11 R)
• M19: 40,938,953 km (0.077 R)
• M20: 42,460,962 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476

Radius: 3.4

Gravity: 41.18 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.91 AU - 8.77 AU

Year: 13261 Days

Day: 20.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,245,380 km

• M1: 42,336 km (0.05 R)
• M2: 204,949 km (0.108 R)
• M3: 551,119 km (0.064 R)
• M4: 759,060 km (0.119 R)
• M5: 1,050,177 km (0.047 R)
• M6: 1,278,164 km (0.098 R)
• M7: 2,181,586 km (0.091 R)
• M8: 2,829,793 km (0.064 R)
• M9: 3,010,059 km (0.085 R)
• M10: 3,728,428 km (0.105 R)
• M11: 6,140,394 km (0.092 R)
• M12: 7,708,479 km (0.118 R)
• M13: 8,194,822 km (0.046 R)
• M14: 9,929,559 km (0.1 R)
• M15: 10,719,585 km (0.114 R)
• M16: 14,696,196 km (0.091 R)
• M17: 15,511,354 km (0.089 R)
• M18: 26,062,193 km (0.106 R)
• M19: 28,793,551 km (0.118 R)
• M20: 30,499,116 km (0.113 R)
• M21: 34,344,380 km (0.056 R)
• M22: 41,227,827 km (0.102 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: 303 - 11,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit