🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.26 AU - 2.06 AU

Year: 745 Days

Day: 25.4 Hours

Environment

Temp: -28 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.84 AU - 3.54 AU

Year: 1984 Days

Day: 20 Hours

Environment

Temp: -91 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,147,518 km

• M1: 438,172 km (0.079 R)
• M2: 1,160,730 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.93 AU - 3.75 AU

Year: 2126 Days

Day: 26.7 Hours

Environment

Temp: -95 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,147,518 km

• M1: 2,030,492 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.78 AU - 4.1 AU

Year: 2222 Days

Day: 42.7 Hours

Environment

Temp: -109 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,147,518 km

• M1: 1,779,167 km (0.091 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.27 AU - 5.69 AU

Year: 3870 Days

Day: 41.2 Hours

Environment

Temp: -124 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,147,518 km

• M1: 1,784,104 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.9

Radius: 12.1

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.97 AU - 8.89 AU

Year: 7053 Days

Day: 5.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,147,518 km

• M1: 151,393 km (0.113 R)
• M2: 531,521 km (0.108 R)
• M3: 1,078,750 km (0.08 R)
• M4: 1,478,177 km (0.054 R)
• M5: 2,430,816 km (0.091 R)
• M6: 2,972,360 km (0.087 R)
• M7: 3,732,317 km (0.076 R)
• M8: 4,121,122 km (0.115 R)
• M9: 5,302,646 km (0.085 R)
• M10: 5,732,590 km (0.086 R)
• M11: 7,275,543 km (0.117 R)
• M12: 9,924,173 km (0.092 R)
• M13: 11,414,318 km (0.114 R)
• M14: 12,345,265 km (0.113 R)
• M15: 15,075,725 km (0.115 R)
• M16: 15,505,071 km (0.086 R)
• M17: 17,438,325 km (0.119 R)
• M18: 18,813,428 km (0.085 R)
• M19: 20,858,282 km (0.087 R)
• M20: 23,699,893 km (0.117 R)
• M21: 24,786,572 km (0.116 R)
• M22: 26,345,831 km (0.044 R)
• M23: 27,785,710 km (0.032 R)
• M24: 29,088,259 km (0.038 R)
• M25: 30,236,722 km (0.04 R)
• M26: 32,217,547 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.9

Radius: 9.2

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 11.3 AU - 12.76 AU

Year: 14531 Days

Day: 11.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,147,518 km

• M1: 114,891 km (0.08 R)
• M2: 425,756 km (0.11 R)
• M3: 735,573 km (0.115 R)
• M4: 1,046,437 km (0.084 R)
• M5: 1,535,622 km (0.105 R)
• M6: 2,391,920 km (0.086 R)
• M7: 3,675,021 km (0.09 R)
• M8: 5,048,479 km (0.117 R)
• M9: 5,586,882 km (0.118 R)
• M10: 6,123,639 km (0.071 R)
• M11: 8,036,248 km (0.057 R)
• M12: 9,284,941 km (0.092 R)
• M13: 9,983,264 km (0.073 R)
• M14: 10,773,889 km (0.075 R)
• M15: 11,666,689 km (0.078 R)
• M16: 18,417,443 km (0.077 R)
• M17: 23,966,776 km (0.11 R)
• M18: 24,768,471 km (0.037 R)
• M19: 25,073,650 km (0.103 R)
• M20: 29,500,551 km (0.049 R)
• M21: 36,090,187 km (0.045 R)
• M22: 40,143,990 km (0.069 R)
• M23: 41,991,225 km (0.106 R)
• M24: 46,623,672 km (0.096 R)
• M25: 47,089,221 km (0.118 R)
• M26: 47,714,839 km (0.099 R)
• M27: 48,345,993 km (0.086 R)
• M28: 49,463,938 km (0.055 R)
• M29: 50,110,350 km (0.062 R)
• M30: 56,009,742 km (0.094 R)
• M31: 58,493,515 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.3

Radius: 7.9

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 20.05 AU - 21.63 AU

Year: 33131 Days

Day: 21.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,147,518 km

• M1: 99,333 km (0.081 R)
• M2: 398,678 km (0.061 R)
• M3: 789,129 km (0.096 R)
• M4: 1,038,658 km (0.046 R)
• M5: 2,735,098 km (0.111 R)
• M6: 4,431,388 km (0.107 R)
• M7: 4,872,702 km (0.086 R)
• M8: 6,219,681 km (0.1 R)
• M9: 6,652,169 km (0.115 R)
• M10: 7,489,617 km (0.11 R)
• M11: 10,207,362 km (0.118 R)
• M12: 10,865,293 km (0.106 R)
• M13: 11,726,977 km (0.104 R)
• M14: 14,653,859 km (0.077 R)
• M15: 20,758,051 km (0.094 R)
• M16: 23,933,715 km (0.043 R)
• M17: 25,289,819 km (0.064 R)
• M18: 25,786,484 km (0.058 R)
• M19: 26,087,475 km (0.112 R)
• M20: 29,995,570 km (0.074 R)
• M21: 36,626,346 km (0.079 R)
• M22: 42,057,497 km (0.04 R)
• M23: 43,459,079 km (0.059 R)
• M24: 44,746,967 km (0.116 R)
• M25: 45,766,028 km (0.106 R)
• M26: 48,001,918 km (0.045 R)

Kuiper Belt

Range: 31.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 19,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit