🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.51 AU - 0.77 AU

Year: 181 Days

Day: 39.5 Hours

Environment

Temp: 176 °C

Axial Tilt: 7.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.35 AU - 2.01 AU

Year: 769 Days

Day: 21 Hours

Environment

Temp: -39 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 61,799,659 km

• M1: 120,426 km (0.104 R)
• M2: 339,886 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.77 AU - 2.35 AU

Year: 1044 Days

Day: 19.2 Hours

Environment

Temp: -52 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,799,659 km

• M1: 13,763 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.85 AU - 4.25 AU

Year: 2878 Days

Day: 36.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,799,659 km

• M1: 378,183 km (0.075 R)

Asteroid Belt

Center: 5.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266

Radius: 14.3

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.57 AU - 8.53 AU

Year: 7325 Days

Day: 11.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,799,659 km

• M1: 177,872 km (0.087 R)
• M2: 791,074 km (0.115 R)
• M3: 1,678,937 km (0.086 R)
• M4: 2,683,038 km (0.082 R)
• M5: 4,217,613 km (0.06 R)
• M6: 4,901,724 km (0.103 R)
• M7: 9,214,780 km (0.063 R)
• M8: 10,242,218 km (0.062 R)
• M9: 11,948,831 km (0.117 R)
• M10: 14,582,052 km (0.094 R)
• M11: 15,747,869 km (0.098 R)
• M12: 16,559,138 km (0.071 R)
• M13: 17,215,873 km (0.101 R)
• M14: 18,966,317 km (0.078 R)
• M15: 20,219,947 km (0.11 R)
• M16: 22,311,026 km (0.077 R)
• M17: 24,084,808 km (0.114 R)
• M18: 25,475,470 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639

Radius: 11.9

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 8.28 AU - 12.66 AU

Year: 11962 Days

Day: 7.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,799,659 km

• M1: 147,952 km (0.07 R)
• M2: 731,683 km (0.103 R)
• M3: 3,081,716 km (0.096 R)
• M4: 6,041,510 km (0.046 R)
• M5: 7,088,396 km (0.092 R)
• M6: 8,117,180 km (0.111 R)
• M7: 9,291,973 km (0.112 R)
• M8: 12,152,733 km (0.114 R)
• M9: 16,333,993 km (0.073 R)
• M10: 20,203,940 km (0.098 R)
• M11: 23,159,994 km (0.078 R)
• M12: 25,998,016 km (0.117 R)
• M13: 31,565,151 km (0.09 R)
• M14: 35,405,627 km (0.096 R)
• M15: 47,885,082 km (0.039 R)
• M16: 50,444,552 km (0.117 R)
• M17: 52,619,854 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.2

Radius: 4.2

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 13.29 AU - 16.21 AU

Year: 20003 Days

Day: 24 Hours

Environment

Temp: -176 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,799,659 km

• M1: 52,808 km (0.066 R)
• M2: 194,926 km (0.089 R)
• M3: 877,392 km (0.052 R)
• M4: 1,462,319 km (0.111 R)
• M5: 2,436,650 km (0.1 R)
• M6: 2,607,341 km (0.098 R)
• M7: 3,257,344 km (0.083 R)
• M8: 3,632,236 km (0.106 R)
• M9: 5,423,372 km (0.103 R)
• M10: 11,073,982 km (0.113 R)
• M11: 13,910,059 km (0.071 R)
• M12: 14,394,756 km (0.049 R)
• M13: 15,851,241 km (0.084 R)
• M14: 20,338,130 km (0.037 R)
• M15: 20,648,695 km (0.082 R)
• M16: 20,805,025 km (0.104 R)
• M17: 22,085,134 km (0.115 R)
• M18: 23,501,676 km (0.105 R)
• M19: 30,174,938 km (0.087 R)
• M20: 34,267,786 km (0.073 R)
• M21: 34,928,560 km (0.113 R)
• M22: 40,036,280 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.1

Radius: 3.3

Gravity: 15.25 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 18.96 AU - 19.46 AU

Year: 29730 Days

Day: 16.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,799,659 km

• M1: 41,738 km (0.119 R)
• M2: 196,422 km (0.116 R)
• M3: 444,904 km (0.097 R)
• M4: 949,198 km (0.113 R)
• M5: 1,953,000 km (0.119 R)
• M6: 2,804,062 km (0.059 R)
• M7: 4,143,711 km (0.117 R)
• M8: 4,849,215 km (0.093 R)
• M9: 6,535,183 km (0.089 R)
• M10: 8,476,664 km (0.046 R)
• M11: 11,239,138 km (0.087 R)
• M12: 11,904,849 km (0.08 R)
• M13: 43,140,136 km (0.096 R)
• M14: 45,817,639 km (0.032 R)
• M15: 47,042,397 km (0.081 R)
• M16: 47,351,915 km (0.116 R)
• M17: 55,023,294 km (0.04 R)

Kuiper Belt

Range: 31.1 - 61.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 16,262 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit