🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.1

Radius: 9.3

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.81 AU - 0.87 AU

Year: 505 Days

Day: 8.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,418,061 km

• M1: 115,639 km (0.096 R)
• M2: 488,138 km (0.053 R)
• M3: 906,563 km (0.047 R)
• M4: 1,203,066 km (0.106 R)
• M5: 1,502,860 km (0.113 R)
• M6: 2,185,026 km (0.1 R)
• M7: 2,506,812 km (0.114 R)
• M8: 3,211,417 km (0.102 R)
• M9: 3,720,200 km (0.112 R)
• M10: 4,383,367 km (0.107 R)
• M11: 4,712,632 km (0.079 R)
• M12: 6,329,336 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.1

Radius: 9.5

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.68 AU - 1.02 AU

Year: 514 Days

Day: 14.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,418,061 km

• M1: 118,182 km (0.113 R)
• M2: 459,565 km (0.088 R)
• M3: 780,901 km (0.045 R)
• M4: 1,229,096 km (0.09 R)
• M5: 1,713,943 km (0.084 R)
• M6: 2,073,576 km (0.101 R)
• M7: 2,387,881 km (0.058 R)
• M8: 2,871,232 km (0.108 R)
• M9: 3,334,985 km (0.095 R)
• M10: 3,705,240 km (0.102 R)
• M11: 4,227,785 km (0.096 R)
• M12: 4,558,546 km (0.045 R)
• M13: 5,690,404 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.8

Radius: 13.9

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.06 AU - 1.18 AU

Year: 778 Days

Day: 13 Hours

Environment

Temp: -166 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,418,061 km

• M1: 172,935 km (0.036 R)
• M2: 693,835 km (0.102 R)
• M3: 1,141,133 km (0.109 R)
• M4: 1,691,802 km (0.107 R)
• M5: 2,390,424 km (0.072 R)
• M6: 2,895,616 km (0.062 R)
• M7: 3,548,013 km (0.062 R)
• M8: 4,811,367 km (0.095 R)
• M9: 5,282,450 km (0.115 R)
• M10: 5,874,110 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.2

Radius: 8.6

Gravity: 11.39 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.47 AU - 1.65 AU

Year: 1278 Days

Day: 7.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,418,061 km

• M1: 106,962 km (0.118 R)
• M2: 428,747 km (0.063 R)
• M3: 709,842 km (0.096 R)
• M4: 1,222,813 km (0.092 R)
• M5: 2,487,663 km (0.102 R)
• M6: 4,224,345 km (0.103 R)
• M7: 4,615,992 km (0.111 R)
• M8: 5,280,206 km (0.078 R)
• M9: 6,122,293 km (0.078 R)
• M10: 6,575,724 km (0.051 R)
• M11: 7,959,504 km (0.06 R)
• M12: 8,853,651 km (0.089 R)
• M13: 9,309,625 km (0.096 R)
• M14: 10,006,602 km (0.037 R)
• M15: 10,840,460 km (0.093 R)
• M16: 11,468,921 km (0.104 R)
• M17: 13,029,825 km (0.112 R)

Asteroid Belt

Center: 4.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.1

Radius: 5.1

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.1 AU - 8.74 AU

Year: 13259 Days

Day: 17.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,418,061 km

• M1: 64,028 km (0.117 R)
• M2: 475,422 km (0.095 R)
• M3: 707,598 km (0.084 R)
• M4: 1,103,284 km (0.115 R)
• M5: 1,516,773 km (0.114 R)
• M6: 1,935,048 km (0.103 R)
• M7: 3,538,738 km (0.116 R)
• M8: 4,193,228 km (0.119 R)
• M9: 5,996,481 km (0.084 R)
• M10: 6,295,378 km (0.097 R)
• M11: 6,744,470 km (0.058 R)
• M12: 7,901,311 km (0.118 R)
• M13: 8,341,727 km (0.054 R)
• M14: 10,268,847 km (0.105 R)
• M15: 10,696,697 km (0.082 R)
• M16: 11,843,963 km (0.089 R)
• M17: 12,314,298 km (0.074 R)
• M18: 12,742,896 km (0.1 R)
• M19: 13,404,418 km (0.077 R)
• M20: 19,541,521 km (0.081 R)
• M21: 22,651,511 km (0.045 R)
• M22: 24,198,503 km (0.05 R)
• M23: 29,830,563 km (0.116 R)
• M24: 34,034,114 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101

Radius: 4.6

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 9.48 AU - 9.66 AU

Year: 19421 Days

Day: 24.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,418,061 km

• M1: 66,122 km (0.1 R)
• M2: 286,779 km (0.104 R)
• M3: 470,635 km (0.117 R)
• M4: 1,017,116 km (0.045 R)
• M5: 2,166,327 km (0.084 R)
• M6: 2,890,829 km (0.101 R)
• M7: 4,040,339 km (0.082 R)
• M8: 4,329,063 km (0.055 R)
• M9: 4,947,800 km (0.038 R)
• M10: 5,247,744 km (0.104 R)
• M11: 5,983,765 km (0.091 R)
• M12: 6,463,974 km (0.067 R)
• M13: 7,423,495 km (0.06 R)
• M14: 8,100,126 km (0.058 R)
• M15: 9,483,458 km (0.109 R)
• M16: 9,946,164 km (0.067 R)
• M17: 10,230,998 km (0.04 R)
• M18: 11,528,311 km (0.077 R)
• M19: 15,495,497 km (0.091 R)
• M20: 16,464,143 km (0.095 R)
• M21: 17,335,700 km (0.118 R)
• M22: 17,541,098 km (0.113 R)
• M23: 18,237,626 km (0.097 R)
• M24: 23,054,827 km (0.097 R)
• M25: 27,432,958 km (0.109 R)
• M26: 31,717,441 km (0.087 R)
• M27: 32,854,086 km (0.092 R)
• M28: 33,485,539 km (0.094 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 17,650 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit