🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.99 AU - 1.53 AU

Year: 613 Days

Day: 12.2 Hours

Environment

Temp: -88 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 87,988,837 km

• M1: 35,754 km (0.097 R)
• M2: 148,102 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.16 AU - 2.54 AU

Year: 1562 Days

Day: 29.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,988,837 km

• M1: 458,517 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.1

Radius: 11.4

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.31 AU - 4.75 AU

Year: 3507 Days

Day: 8.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,988,837 km

• M1: 141,819 km (0.084 R)
• M2: 560,394 km (0.112 R)
• M3: 1,199,326 km (0.11 R)
• M4: 1,600,398 km (0.116 R)
• M5: 2,104,692 km (0.104 R)
• M6: 2,668,377 km (0.088 R)
• M7: 3,673,525 km (0.104 R)
• M8: 4,734,922 km (0.081 R)
• M9: 5,532,877 km (0.074 R)
• M10: 7,794,199 km (0.08 R)
• M11: 8,469,035 km (0.09 R)
• M12: 9,112,904 km (0.083 R)
• M13: 9,500,213 km (0.03 R)
• M14: 9,935,543 km (0.1 R)
• M15: 10,574,774 km (0.106 R)
• M16: 11,361,958 km (0.119 R)
• M17: 12,314,897 km (0.037 R)
• M18: 13,275,465 km (0.059 R)
• M19: 14,474,342 km (0.096 R)
• M20: 18,170,157 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.3

Radius: 13.7

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.14 AU - 5.52 AU

Year: 4601 Days

Day: 13.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,988,837 km

• M1: 170,542 km (0.093 R)
• M2: 686,953 km (0.054 R)
• M3: 1,130,511 km (0.032 R)
• M4: 1,753,137 km (0.118 R)
• M5: 2,209,112 km (0.108 R)
• M6: 5,032,921 km (0.105 R)
• M7: 7,369,790 km (0.096 R)
• M8: 9,010,878 km (0.062 R)
• M9: 9,597,003 km (0.114 R)
• M10: 13,934,892 km (0.115 R)
• M11: 18,158,489 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.6

Radius: 14.9

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.05 AU - 6.31 AU

Year: 5110 Days

Day: 12.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,988,837 km

• M1: 185,651 km (0.095 R)
• M2: 768,933 km (0.09 R)
• M3: 1,335,011 km (0.104 R)
• M4: 1,870,123 km (0.06 R)
• M5: 2,438,744 km (0.077 R)
• M6: 3,675,769 km (0.106 R)
• M7: 4,247,981 km (0.084 R)
• M8: 5,033,819 km (0.08 R)
• M9: 6,864,747 km (0.095 R)
• M10: 8,311,359 km (0.069 R)
• M11: 9,224,654 km (0.091 R)
• M12: 10,762,968 km (0.103 R)
• M13: 11,342,211 km (0.06 R)
• M14: 11,989,222 km (0.114 R)
• M15: 12,709,835 km (0.101 R)
• M16: 13,510,034 km (0.074 R)
• M17: 14,079,553 km (0.113 R)
• M18: 15,828,053 km (0.079 R)
• M19: 18,908,124 km (0.104 R)
• M20: 22,082,590 km (0.1 R)
• M21: 24,361,265 km (0.118 R)
• M22: 27,036,374 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.4

Radius: 11.7

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.83 AU - 6.27 AU

Year: 6451 Days

Day: 14.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 60.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,988,837 km

• M1: 145,559 km (0.098 R)
• M2: 588,967 km (0.063 R)
• M3: 1,797,119 km (0.082 R)
• M4: 2,251,448 km (0.072 R)
• M5: 2,832,935 km (0.054 R)
• M6: 3,376,125 km (0.088 R)
• M7: 5,197,628 km (0.12 R)
• M8: 6,218,035 km (0.118 R)
• M9: 7,172,021 km (0.06 R)
• M10: 9,962,321 km (0.106 R)
• M11: 14,784,159 km (0.071 R)
• M12: 16,648,448 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690

Radius: 3.1

Gravity: 71.8 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 14.29 AU - 15.39 AU

Year: 24781 Days

Day: 20 Hours

Environment

Temp: -213 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,988,837 km

• M1: 39,045 km (0.084 R)
• M2: 179,368 km (0.1 R)
• M3: 742,155 km (0.116 R)
• M4: 1,380,040 km (0.072 R)
• M5: 1,907,822 km (0.079 R)
• M6: 3,650,038 km (0.048 R)
• M7: 4,386,060 km (0.105 R)
• M8: 6,554,631 km (0.052 R)
• M9: 7,129,236 km (0.067 R)
• M10: 10,259,572 km (0.103 R)
• M11: 14,119,645 km (0.086 R)
• M12: 19,514,743 km (0.115 R)
• M13: 22,878,750 km (0.101 R)
• M14: 25,209,186 km (0.096 R)
• M15: 25,323,928 km (0.04 R)
• M16: 28,183,790 km (0.027 R)
• M17: 30,595,009 km (0.084 R)
• M18: 33,832,606 km (0.098 R)
• M19: 37,291,159 km (0.106 R)
• M20: 40,034,485 km (0.113 R)
• M21: 60,589,232 km (0.093 R)
• M22: 76,882,684 km (0.107 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 15,196 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit