🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.4

Radius: 8.7

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.64 AU - 0.88 AU

Year: 428 Days

Day: 14.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,479,071 km

• M1: 108,309 km (0.055 R)
• M2: 383,719 km (0.114 R)
• M3: 693,685 km (0.093 R)
• M4: 1,015,620 km (0.053 R)
• M5: 1,796,970 km (0.101 R)
• M6: 2,105,141 km (0.096 R)
• M7: 2,818,873 km (0.108 R)
• M8: 3,515,700 km (0.109 R)
• M9: 4,777,558 km (0.045 R)
• M10: 5,358,745 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.1

Radius: 12.4

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.16 AU - 1.3 AU

Year: 881 Days

Day: 12.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,479,071 km

• M1: 154,235 km (0.094 R)
• M2: 599,139 km (0.094 R)
• M3: 1,206,507 km (0.062 R)
• M4: 1,630,168 km (0.096 R)
• M5: 2,302,910 km (0.101 R)
• M6: 2,994,501 km (0.034 R)
• M7: 3,851,547 km (0.085 R)
• M8: 4,774,865 km (0.039 R)
• M9: 5,279,458 km (0.119 R)
• M10: 7,639,963 km (0.098 R)
• M11: 8,045,373 km (0.089 R)
• M12: 8,518,701 km (0.107 R)
• M13: 9,463,860 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.9

Radius: 10.5

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.64 AU - 1.86 AU

Year: 1495 Days

Day: 14.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,479,071 km

• M1: 130,599 km (0.095 R)
• M2: 472,729 km (0.079 R)
• M3: 842,984 km (0.087 R)
• M4: 1,631,514 km (0.078 R)
• M5: 2,855,973 km (0.117 R)
• M6: 3,756,702 km (0.076 R)
• M7: 4,853,105 km (0.077 R)
• M8: 6,424,181 km (0.107 R)
• M9: 6,808,199 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.8

Radius: 11.1

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.25 AU - 4.49 AU

Year: 5898 Days

Day: 13.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,479,071 km

• M1: 138,228 km (0.12 R)
• M2: 1,084,285 km (0.114 R)
• M3: 1,503,907 km (0.079 R)
• M4: 1,947,615 km (0.105 R)
• M5: 2,380,850 km (0.072 R)
• M6: 3,854,389 km (0.076 R)
• M7: 4,984,751 km (0.116 R)
• M8: 5,482,912 km (0.073 R)
• M9: 6,875,069 km (0.079 R)
• M10: 7,707,581 km (0.08 R)
• M11: 8,490,128 km (0.119 R)
• M12: 12,706,095 km (0.092 R)
• M13: 13,958,529 km (0.111 R)
• M14: 14,393,709 km (0.11 R)
• M15: 15,007,060 km (0.084 R)
• M16: 16,951,832 km (0.106 R)
• M17: 18,080,847 km (0.047 R)
• M18: 19,326,100 km (0.082 R)
• M19: 20,210,523 km (0.108 R)
• M20: 20,697,763 km (0.052 R)
• M21: 22,950,707 km (0.087 R)
• M22: 25,042,085 km (0.114 R)
• M23: 27,938,300 km (0.082 R)
• M24: 28,980,698 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.9

Radius: 14.4

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.26 AU - 6.24 AU

Year: 7767 Days

Day: 8.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,479,071 km

• M1: 179,218 km (0.09 R)
• M2: 1,134,849 km (0.111 R)
• M3: 1,621,641 km (0.116 R)
• M4: 2,346,143 km (0.089 R)
• M5: 2,812,739 km (0.083 R)
• M6: 3,868,152 km (0.085 R)
• M7: 4,656,234 km (0.065 R)
• M8: 5,230,091 km (0.093 R)
• M9: 7,565,912 km (0.08 R)
• M10: 11,377,217 km (0.091 R)
• M11: 12,067,761 km (0.09 R)
• M12: 12,996,315 km (0.03 R)
• M13: 15,113,125 km (0.115 R)
• M14: 16,813,753 km (0.078 R)
• M15: 17,386,564 km (0.067 R)
• M16: 17,906,566 km (0.105 R)
• M17: 19,739,140 km (0.072 R)
• M18: 22,988,854 km (0.096 R)
• M19: 27,620,853 km (0.078 R)
• M20: 30,717,828 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.4

Radius: 4.2

Gravity: 28.54 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.87 AU - 7.77 AU

Year: 11500 Days

Day: 20.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 47,479,071 km

• M1: 52,808 km (0.102 R)
• M2: 253,868 km (0.116 R)
• M3: 466,895 km (0.101 R)
• M4: 838,646 km (0.05 R)
• M5: 1,006,644 km (0.114 R)
• M6: 1,196,933 km (0.103 R)
• M7: 1,835,267 km (0.075 R)
• M8: 1,982,920 km (0.102 R)
• M9: 2,975,202 km (0.045 R)
• M10: 4,259,799 km (0.096 R)
• M11: 4,759,456 km (0.105 R)
• M12: 5,103,083 km (0.083 R)
• M13: 7,396,418 km (0.095 R)
• M14: 10,194,347 km (0.054 R)
• M15: 10,606,788 km (0.12 R)
• M16: 10,764,315 km (0.119 R)
• M17: 12,024,527 km (0.064 R)
• M18: 13,811,623 km (0.1 R)
• M19: 14,252,638 km (0.109 R)
• M20: 14,768,302 km (0.084 R)
• M21: 16,042,427 km (0.113 R)
• M22: 21,285,084 km (0.104 R)
• M23: 22,906,725 km (0.119 R)
• M24: 25,070,509 km (0.072 R)
• M25: 26,201,917 km (0.076 R)
• M26: 28,464,585 km (0.081 R)
• M27: 32,593,187 km (0.086 R)
• M28: 35,439,436 km (0.104 R)
• M29: 40,843,360 km (0.064 R)
• M30: 43,203,715 km (0.095 R)
• M31: 46,771,176 km (0.051 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 17,173 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit