🌌 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: 913.7

Radius: 10.5

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.51 AU - 0.53 AU

Year: 250 Days

Day: 9.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,813,749 km

• M1: 131,347 km (0.119 R)
• M2: 459,864 km (0.102 R)
• M3: 851,661 km (0.107 R)
• M4: 1,184,965 km (0.119 R)
• M5: 1,588,729 km (0.091 R)
• M6: 2,241,874 km (0.111 R)
• M7: 2,840,265 km (0.103 R)
• M8: 3,261,084 km (0.099 R)
• M9: 3,863,365 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.1

Radius: 14.7

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.44 AU - 0.64 AU

Year: 265 Days

Day: 14.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,813,749 km

• M1: 182,958 km (0.072 R)
• M2: 665,561 km (0.055 R)
• M3: 1,286,093 km (0.081 R)
• M4: 2,000,124 km (0.11 R)
• M5: 2,475,396 km (0.102 R)
• M6: 3,104,156 km (0.083 R)
• M7: 3,639,118 km (0.101 R)
• M8: 4,104,068 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150

Radius: 9.1

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.31 AU - 1.33 AU

Year: 1011 Days

Day: 8.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,813,749 km

• M1: 124,316 km (0.105 R)
• M2: 415,134 km (0.118 R)
• M3: 764,894 km (0.108 R)
• M4: 1,077,553 km (0.114 R)
• M5: 1,377,946 km (0.108 R)
• M6: 2,092,575 km (0.047 R)
• M7: 2,731,956 km (0.076 R)
• M8: 4,513,218 km (0.081 R)
• M9: 4,971,287 km (0.103 R)
• M10: 5,595,708 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.2

Radius: 12.3

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.56 AU - 2.44 AU

Year: 1886 Days

Day: 11.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 129.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,813,749 km

• M1: 153,039 km (0.079 R)
• M2: 566,378 km (0.081 R)
• M3: 1,272,031 km (0.103 R)
• M4: 2,069,986 km (0.062 R)
• M5: 3,607,702 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337

Radius: 8.7

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.93 AU - 2.17 AU

Year: 1957 Days

Day: 8.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,813,749 km

• M1: 108,458 km (0.092 R)
• M2: 678,875 km (0.091 R)
• M3: 986,299 km (0.072 R)
• M4: 1,708,258 km (0.115 R)
• M5: 2,066,844 km (0.058 R)
• M6: 2,389,377 km (0.1 R)
• M7: 3,035,939 km (0.069 R)
• M8: 4,067,566 km (0.095 R)
• M9: 7,081,814 km (0.112 R)
• M10: 8,265,731 km (0.104 R)
• M11: 8,875,193 km (0.076 R)
• M12: 9,359,292 km (0.09 R)
• M13: 10,513,140 km (0.042 R)
• M14: 11,055,283 km (0.068 R)
• M15: 11,403,546 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.9

Radius: 13.6

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.9 AU - 2.2 AU

Year: 1957 Days

Day: 9.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,813,749 km

• M1: 169,794 km (0.052 R)
• M2: 791,074 km (0.059 R)
• M3: 1,265,448 km (0.097 R)
• M4: 1,895,255 km (0.096 R)
• M5: 2,434,556 km (0.087 R)
• M6: 2,925,686 km (0.094 R)
• M7: 3,877,278 km (0.084 R)
• M8: 4,389,950 km (0.031 R)
• M9: 4,890,055 km (0.105 R)
• M10: 5,574,017 km (0.115 R)
• M11: 6,553,135 km (0.11 R)
• M12: 6,985,622 km (0.069 R)
• M13: 8,426,848 km (0.115 R)
• M14: 8,968,392 km (0.109 R)
• M15: 9,502,756 km (0.11 R)
• M16: 10,440,585 km (0.079 R)
• M17: 11,405,042 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.7

Radius: 7.4

Gravity: 14.77 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.3 AU - 9.02 AU

Year: 14138 Days

Day: 23.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,813,749 km

• M1: 92,601 km (0.054 R)
• M2: 333,902 km (0.09 R)
• M3: 770,579 km (0.119 R)
• M4: 1,186,311 km (0.036 R)
• M5: 1,935,796 km (0.104 R)
• M6: 3,190,623 km (0.107 R)
• M7: 4,170,190 km (0.095 R)
• M8: 6,457,691 km (0.112 R)
• M9: 7,914,775 km (0.079 R)
• M10: 12,524,932 km (0.076 R)
• M11: 15,132,273 km (0.1 R)
• M12: 16,796,251 km (0.118 R)
• M13: 21,025,233 km (0.086 R)
• M14: 25,600,833 km (0.076 R)
• M15: 37,725,441 km (0.104 R)
• M16: 43,074,014 km (0.111 R)
• M17: 50,688,546 km (0.113 R)
• M18: 52,011,290 km (0.086 R)
• M19: 53,526,567 km (0.115 R)
• M20: 59,700,022 km (0.062 R)
• M21: 60,434,398 km (0.091 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 13,656 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit