🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566

Radius: 11.9

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.48 AU - 0.7 AU

Year: 302 Days

Day: 5.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,442,513 km

• M1: 147,952 km (0.088 R)
• M2: 713,881 km (0.099 R)
• M3: 1,182,272 km (0.099 R)
• M4: 1,612,665 km (0.055 R)
• M5: 2,102,897 km (0.101 R)
• M6: 2,611,231 km (0.038 R)
• M7: 3,924,850 km (0.1 R)
• M8: 4,326,071 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.4

Radius: 15

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.63 AU - 0.97 AU

Year: 477 Days

Day: 11.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,442,513 km

• M1: 186,549 km (0.078 R)
• M2: 688,898 km (0.09 R)
• M3: 1,202,617 km (0.034 R)
• M4: 1,739,225 km (0.081 R)
• M5: 2,854,627 km (0.077 R)
• M6: 3,552,501 km (0.069 R)
• M7: 4,107,359 km (0.071 R)
• M8: 4,643,967 km (0.042 R)
• M9: 5,145,718 km (0.092 R)
• M10: 5,895,203 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.4

Radius: 9.7

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.69 AU - 1.91 AU

Year: 1610 Days

Day: 7.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,442,513 km

• M1: 120,576 km (0.087 R)
• M2: 506,239 km (0.082 R)
• M3: 951,891 km (0.112 R)
• M4: 1,302,249 km (0.045 R)
• M5: 1,614,460 km (0.093 R)
• M6: 2,624,545 km (0.054 R)
• M7: 3,503,133 km (0.112 R)
• M8: 3,957,612 km (0.038 R)
• M9: 5,877,700 km (0.082 R)
• M10: 8,263,188 km (0.094 R)
• M11: 8,615,940 km (0.109 R)
• M12: 8,917,529 km (0.106 R)
• M13: 9,638,142 km (0.034 R)
• M14: 11,773,951 km (0.081 R)
• M15: 13,268,882 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.2

Radius: 11

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.97 AU - 3.23 AU

Year: 2796 Days

Day: 11.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,442,513 km

• M1: 136,882 km (0.095 R)
• M2: 501,751 km (0.037 R)
• M3: 907,161 km (0.116 R)
• M4: 1,516,174 km (0.117 R)
• M5: 1,920,687 km (0.107 R)
• M6: 2,296,028 km (0.058 R)
• M7: 2,969,518 km (0.103 R)
• M8: 3,325,411 km (0.085 R)
• M9: 5,662,728 km (0.091 R)
• M10: 6,328,588 km (0.118 R)
• M11: 7,717,006 km (0.098 R)
• M12: 8,325,869 km (0.081 R)
• M13: 8,713,478 km (0.119 R)
• M14: 9,949,455 km (0.107 R)
• M15: 10,836,122 km (0.115 R)
• M16: 11,774,699 km (0.117 R)
• M17: 12,218,705 km (0.11 R)
• M18: 12,812,908 km (0.081 R)
• M19: 13,474,131 km (0.117 R)
• M20: 14,458,036 km (0.072 R)
• M21: 17,582,537 km (0.096 R)
• M22: 18,222,068 km (0.085 R)
• M23: 18,637,202 km (0.105 R)
• M24: 20,807,867 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290

Radius: 10.7

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.32 AU - 2.96 AU

Year: 2860 Days

Day: 11.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 142.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,442,513 km

• M1: 134,788 km (0.042 R)
• M2: 469,588 km (0.112 R)
• M3: 1,434,793 km (0.117 R)
• M4: 1,978,133 km (0.109 R)
• M5: 4,792,517 km (0.106 R)
• M6: 6,184,526 km (0.079 R)
• M7: 6,590,684 km (0.107 R)
• M8: 10,405,280 km (0.069 R)
• M9: 12,514,011 km (0.088 R)
• M10: 13,499,712 km (0.083 R)
• M11: 13,882,383 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.4

Radius: 12.4

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.67 AU - 3.95 AU

Year: 4016 Days

Day: 13.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,442,513 km

• M1: 154,235 km (0.075 R)
• M2: 559,047 km (0.097 R)
• M3: 1,087,128 km (0.052 R)
• M4: 1,649,765 km (0.111 R)
• M5: 2,143,438 km (0.065 R)
• M6: 2,700,541 km (0.08 R)
• M7: 3,728,129 km (0.103 R)
• M8: 4,178,119 km (0.107 R)
• M9: 5,780,462 km (0.066 R)
• M10: 6,575,874 km (0.093 R)
• M11: 10,770,299 km (0.115 R)
• M12: 11,315,284 km (0.104 R)
• M13: 12,022,582 km (0.114 R)
• M14: 12,708,938 km (0.093 R)
• M15: 13,112,852 km (0.082 R)
• M16: 13,629,712 km (0.096 R)
• M17: 15,037,578 km (0.103 R)
• M18: 16,659,967 km (0.096 R)
• M19: 18,332,022 km (0.093 R)
• M20: 20,249,717 km (0.118 R)
• M21: 21,719,666 km (0.071 R)
• M22: 25,904,966 km (0.053 R)
• M23: 27,133,613 km (0.062 R)
• M24: 29,267,178 km (0.109 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 11,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit