🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.85 AU - 0.97 AU

Year: 314 Days

Day: 28.5 Hours

Environment

Temp: 116 °C

Axial Tilt: 0.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.34 AU - 1.6 AU

Year: 645 Days

Day: 42.1 Hours

Environment

Temp: -39 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.97 AU - 3.09 AU

Year: 1455 Days

Day: 40.4 Hours

Environment

Temp: -85 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,108,425 km

• M1: 40,391 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920

Radius: 12.2

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.12 AU - 6.48 AU

Year: 5719 Days

Day: 14.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,108,425 km

• M1: 153,787 km (0.05 R)
• M2: 554,111 km (0.108 R)
• M3: 1,009,486 km (0.116 R)
• M4: 1,491,491 km (0.067 R)
• M5: 2,456,547 km (0.082 R)
• M6: 3,263,627 km (0.117 R)
• M7: 3,729,774 km (0.046 R)
• M8: 4,525,934 km (0.114 R)
• M9: 7,304,714 km (0.104 R)
• M10: 7,833,393 km (0.117 R)
• M11: 8,347,112 km (0.066 R)
• M12: 8,967,794 km (0.099 R)
• M13: 9,663,424 km (0.042 R)
• M14: 10,254,934 km (0.042 R)
• M15: 11,015,938 km (0.095 R)
• M16: 11,410,428 km (0.09 R)
• M17: 11,916,667 km (0.113 R)
• M18: 13,470,391 km (0.12 R)
• M19: 14,209,105 km (0.057 R)
• M20: 17,370,557 km (0.106 R)
• M21: 20,084,711 km (0.104 R)
• M22: 23,473,103 km (0.118 R)
• M23: 25,132,293 km (0.098 R)
• M24: 28,039,129 km (0.106 R)
• M25: 32,859,621 km (0.119 R)
• M26: 35,145,626 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622

Radius: 14.1

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 7.95 AU - 10.43 AU

Year: 10075 Days

Day: 9.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,108,425 km

• M1: 190,588 km (0.075 R)
• M2: 901,477 km (0.095 R)
• M3: 1,468,154 km (0.107 R)
• M4: 1,954,047 km (0.067 R)
• M5: 2,705,328 km (0.059 R)
• M6: 3,922,157 km (0.1 R)
• M7: 5,251,035 km (0.066 R)
• M8: 7,657,167 km (0.066 R)
• M9: 8,206,341 km (0.087 R)
• M10: 8,736,665 km (0.11 R)
• M11: 10,365,038 km (0.102 R)
• M12: 11,576,033 km (0.107 R)
• M13: 14,531,788 km (0.105 R)
• M14: 15,911,678 km (0.117 R)
• M15: 16,808,817 km (0.098 R)
• M16: 21,145,061 km (0.042 R)
• M17: 23,350,732 km (0.083 R)
• M18: 24,328,503 km (0.078 R)
• M19: 25,705,851 km (0.082 R)
• M20: 26,748,398 km (0.076 R)
• M21: 30,672,949 km (0.051 R)
• M22: 31,737,936 km (0.087 R)
• M23: 33,270,267 km (0.081 R)
• M24: 37,076,486 km (0.038 R)
• M25: 39,519,569 km (0.1 R)
• M26: 41,808,416 km (0.108 R)
• M27: 44,184,330 km (0.088 R)
• M28: 45,268,615 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15

Radius: 12.7

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.9 AU - 10.82 AU

Year: 10356 Days

Day: 5.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,108,425 km

• M1: 686,505 km (0.116 R)
• M2: 1,658,592 km (0.101 R)
• M3: 4,792,218 km (0.101 R)
• M4: 5,371,611 km (0.119 R)
• M5: 7,721,793 km (0.05 R)
• M6: 9,062,340 km (0.083 R)
• M7: 12,200,305 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.8

Radius: 13.2

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 11.33 AU - 13.55 AU

Year: 15868 Days

Day: 13.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,108,425 km

• M1: 164,258 km (0.091 R)
• M2: 646,861 km (0.053 R)
• M3: 1,169,257 km (0.096 R)
• M4: 1,623,436 km (0.097 R)
• M5: 2,592,830 km (0.096 R)
• M6: 4,135,035 km (0.043 R)
• M7: 4,565,278 km (0.066 R)
• M8: 6,596,369 km (0.098 R)
• M9: 8,072,301 km (0.12 R)
• M10: 9,560,351 km (0.096 R)
• M11: 11,334,133 km (0.084 R)
• M12: 12,952,333 km (0.12 R)
• M13: 15,730,067 km (0.113 R)
• M14: 16,714,420 km (0.118 R)
• M15: 22,788,094 km (0.111 R)
• M16: 23,956,603 km (0.111 R)
• M17: 29,136,579 km (0.105 R)
• M18: 30,191,244 km (0.115 R)
• M19: 39,055,217 km (0.049 R)
• M20: 42,446,451 km (0.114 R)

Kuiper Belt

Range: 30.3 - 46.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 19,810 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit