🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.8

Radius: 8.2

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.68 AU - 0.7 AU

Year: 376 Days

Day: 14.2 Hours

Environment

Temp: -127 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,372,556 km

• M1: 102,026 km (0.112 R)
• M2: 397,631 km (0.065 R)
• M3: 699,968 km (0.1 R)
• M4: 1,007,691 km (0.118 R)
• M5: 1,481,019 km (0.079 R)
• M6: 1,846,636 km (0.056 R)
• M7: 2,485,120 km (0.078 R)
• M8: 3,431,626 km (0.098 R)
• M9: 4,462,056 km (0.045 R)
• M10: 5,078,698 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.9

Radius: 11

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.97 AU - 0.99 AU

Year: 636 Days

Day: 11.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,372,556 km

• M1: 136,732 km (0.051 R)
• M2: 546,032 km (0.037 R)
• M3: 1,124,677 km (0.043 R)
• M4: 1,487,900 km (0.049 R)
• M5: 1,852,171 km (0.075 R)
• M6: 2,350,931 km (0.085 R)
• M7: 2,775,489 km (0.076 R)
• M8: 3,443,444 km (0.092 R)
• M9: 4,341,929 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.3

Radius: 13.7

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.75 AU - 1.89 AU

Year: 1611 Days

Day: 14.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,372,556 km

• M1: 173,534 km (0.038 R)
• M2: 609,013 km (0.084 R)
• M3: 1,102,686 km (0.099 R)
• M4: 1,674,599 km (0.12 R)
• M5: 2,467,467 km (0.076 R)
• M6: 4,242,296 km (0.078 R)
• M7: 4,821,390 km (0.032 R)
• M8: 5,811,877 km (0.081 R)
• M9: 6,258,876 km (0.105 R)
• M10: 7,169,478 km (0.08 R)
• M11: 9,128,761 km (0.043 R)
• M12: 11,827,956 km (0.107 R)
• M13: 12,394,932 km (0.106 R)
• M14: 12,861,527 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.3

Radius: 10.4

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.91 AU - 3.19 AU

Year: 3494 Days

Day: 9.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,372,556 km

• M1: 129,402 km (0.046 R)
• M2: 461,210 km (0.038 R)
• M3: 995,424 km (0.092 R)
• M4: 1,323,941 km (0.105 R)
• M5: 2,247,858 km (0.073 R)
• M6: 2,656,409 km (0.083 R)
• M7: 3,130,036 km (0.119 R)
• M8: 3,590,199 km (0.095 R)
• M9: 4,057,393 km (0.12 R)
• M10: 4,605,670 km (0.071 R)
• M11: 5,451,047 km (0.104 R)
• M12: 6,244,514 km (0.067 R)
• M13: 8,030,414 km (0.088 R)
• M14: 8,960,314 km (0.09 R)
• M15: 9,518,314 km (0.109 R)
• M16: 10,523,462 km (0.104 R)
• M17: 11,332,039 km (0.08 R)
• M18: 11,674,618 km (0.062 R)
• M19: 12,260,892 km (0.095 R)
• M20: 14,804,355 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.2

Radius: 8.4

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.98 AU - 3.64 AU

Year: 3950 Days

Day: 8.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 31,372,556 km

• M1: 104,868 km (0.113 R)
• M2: 511,774 km (0.089 R)
• M3: 1,000,211 km (0.112 R)
• M4: 1,378,544 km (0.026 R)
• M5: 2,146,430 km (0.105 R)
• M6: 2,505,166 km (0.088 R)
• M7: 2,938,701 km (0.094 R)
• M8: 3,229,818 km (0.061 R)
• M9: 3,641,212 km (0.076 R)
• M10: 4,176,174 km (0.067 R)
• M11: 4,811,816 km (0.091 R)
• M12: 5,402,877 km (0.082 R)
• M13: 6,157,448 km (0.104 R)
• M14: 6,514,538 km (0.058 R)
• M15: 7,840,275 km (0.066 R)
• M16: 8,153,832 km (0.071 R)
• M17: 8,918,277 km (0.112 R)
• M18: 10,173,702 km (0.117 R)
• M19: 10,631,322 km (0.109 R)
• M20: 12,132,986 km (0.116 R)
• M21: 13,922,475 km (0.077 R)
• M22: 15,119,707 km (0.092 R)
• M23: 16,839,933 km (0.101 R)
• M24: 18,502,414 km (0.096 R)
• M25: 19,883,203 km (0.077 R)
• M26: 20,206,484 km (0.067 R)
• M27: 21,738,366 km (0.094 R)
• M28: 22,990,201 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.9

Radius: 8.8

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.77 AU - 4.19 AU

Year: 5209 Days

Day: 9.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,372,556 km

• M1: 109,506 km (0.084 R)
• M2: 515,215 km (0.086 R)
• M3: 1,253,481 km (0.084 R)
• M4: 1,592,469 km (0.105 R)
• M5: 2,442,185 km (0.068 R)
• M6: 2,920,450 km (0.112 R)
• M7: 3,947,439 km (0.119 R)
• M8: 5,032,323 km (0.095 R)
• M9: 6,761,525 km (0.086 R)
• M10: 8,114,338 km (0.037 R)
• M11: 9,554,367 km (0.091 R)
• M12: 10,114,013 km (0.108 R)
• M13: 10,469,158 km (0.107 R)
• M14: 14,326,539 km (0.114 R)
• M15: 19,787,161 km (0.096 R)
• M16: 23,128,878 km (0.117 R)
• M17: 24,692,625 km (0.066 R)
• M18: 28,203,537 km (0.1 R)
• M19: 29,086,015 km (0.106 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 17,391 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit