🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.7

Radius: 13.4

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.5 AU - 0.54 AU

Year: 254 Days

Day: 11.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,531,382 km

• M1: 166,652 km (0.107 R)
• M2: 765,941 km (0.083 R)
• M3: 1,306,139 km (0.05 R)
• M4: 1,752,988 km (0.084 R)
• M5: 2,462,680 km (0.093 R)
• M6: 3,053,442 km (0.106 R)
• M7: 3,533,651 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.1

Radius: 9.7

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.57 AU - 0.85 AU

Year: 406 Days

Day: 5.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,531,382 km

• M1: 120,725 km (0.034 R)
• M2: 494,870 km (0.1 R)
• M3: 880,234 km (0.088 R)
• M4: 1,291,478 km (0.119 R)
• M5: 1,651,860 km (0.072 R)
• M6: 2,020,918 km (0.045 R)
• M7: 2,351,978 km (0.079 R)
• M8: 2,864,350 km (0.069 R)
• M9: 4,085,967 km (0.114 R)
• M10: 5,105,775 km (0.076 R)
• M11: 5,475,432 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.2

Radius: 11.5

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.65 AU - 0.97 AU

Year: 494 Days

Day: 6.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,531,382 km

• M1: 143,464 km (0.102 R)
• M2: 826,528 km (0.092 R)
• M3: 1,234,482 km (0.12 R)
• M4: 2,008,501 km (0.049 R)
• M5: 2,550,195 km (0.06 R)
• M6: 3,368,944 km (0.065 R)
• M7: 4,123,965 km (0.095 R)
• M8: 4,564,829 km (0.104 R)
• M9: 4,972,334 km (0.107 R)
• M10: 5,455,535 km (0.106 R)
• M11: 6,381,396 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.1

Radius: 12.3

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.71 AU - 1.09 AU

Year: 579 Days

Day: 9 Hours

Environment

Temp: -171 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,531,382 km

• M1: 153,188 km (0.083 R)
• M2: 537,655 km (0.114 R)
• M3: 982,260 km (0.096 R)
• M4: 1,458,130 km (0.033 R)
• M5: 1,842,747 km (0.093 R)
• M6: 2,416,305 km (0.073 R)
• M7: 2,859,264 km (0.106 R)
• M8: 3,242,384 km (0.079 R)
• M9: 4,114,091 km (0.074 R)
• M10: 4,510,376 km (0.049 R)
• M11: 5,912,856 km (0.087 R)
• M12: 6,339,808 km (0.117 R)
• M13: 7,190,870 km (0.082 R)
• M14: 7,587,903 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.7

Radius: 11.2

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.09 AU - 1.11 AU

Year: 782 Days

Day: 10.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,531,382 km

• M1: 141,071 km (0.104 R)
• M2: 504,444 km (0.054 R)
• M3: 1,237,324 km (0.106 R)
• M4: 1,731,895 km (0.059 R)
• M5: 2,422,139 km (0.108 R)
• M6: 3,328,702 km (0.056 R)
• M7: 4,248,729 km (0.091 R)
• M8: 5,426,812 km (0.056 R)
• M9: 7,039,627 km (0.039 R)
• M10: 8,628,356 km (0.104 R)
• M11: 9,170,499 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.5

Radius: 10.6

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.35 AU - 1.43 AU

Year: 1112 Days

Day: 10 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,531,382 km

• M1: 131,796 km (0.118 R)
• M2: 609,462 km (0.087 R)
• M3: 1,284,298 km (0.074 R)
• M4: 3,342,316 km (0.08 R)
• M5: 3,746,679 km (0.09 R)
• M6: 4,230,628 km (0.087 R)
• M7: 6,857,566 km (0.061 R)
• M8: 7,773,554 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.2

Radius: 12.6

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.1 AU - 3.28 AU

Year: 3864 Days

Day: 6.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,531,382 km

• M1: 160,967 km (0.11 R)
• M2: 770,579 km (0.106 R)
• M3: 1,223,112 km (0.079 R)
• M4: 1,635,254 km (0.093 R)
• M5: 2,213,899 km (0.099 R)
• M6: 3,184,191 km (0.059 R)
• M7: 3,874,136 km (0.066 R)
• M8: 4,811,217 km (0.103 R)
• M9: 5,525,547 km (0.094 R)
• M10: 6,010,693 km (0.109 R)
• M11: 6,493,296 km (0.034 R)
• M12: 7,814,095 km (0.087 R)
• M13: 8,538,298 km (0.069 R)
• M14: 11,705,435 km (0.093 R)
• M15: 13,756,272 km (0.07 R)
• M16: 15,360,859 km (0.088 R)
• M17: 18,120,940 km (0.093 R)
• M18: 19,847,897 km (0.096 R)
• M19: 20,246,127 km (0.032 R)
• M20: 20,717,510 km (0.115 R)
• M21: 25,140,820 km (0.079 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 20,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit