🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.4

Radius: 12.4

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.5 AU - 0.8 AU

Year: 362 Days

Day: 7.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,801,929 km

• M1: 154,235 km (0.113 R)
• M2: 620,831 km (0.077 R)
• M3: 1,258,417 km (0.084 R)
• M4: 1,659,489 km (0.113 R)
• M5: 2,062,356 km (0.1 R)
• M6: 2,470,010 km (0.09 R)
• M7: 2,873,476 km (0.089 R)
• M8: 3,407,690 km (0.096 R)
• M9: 4,143,412 km (0.119 R)
• M10: 4,623,173 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.8

Radius: 12.9

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.68 AU - 0.74 AU

Year: 413 Days

Day: 7.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,801,929 km

• M1: 160,519 km (0.094 R)
• M2: 647,310 km (0.097 R)
• M3: 1,192,145 km (0.063 R)
• M4: 1,636,451 km (0.103 R)
• M5: 2,790,599 km (0.087 R)
• M6: 3,213,661 km (0.09 R)
• M7: 4,486,141 km (0.078 R)
• M8: 4,931,643 km (0.063 R)
• M9: 5,406,916 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509

Radius: 14.1

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.83 AU - 1.37 AU

Year: 796 Days

Day: 13.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,801,929 km

• M1: 176,376 km (0.073 R)
• M2: 822,339 km (0.045 R)
• M3: 1,261,559 km (0.099 R)
• M4: 2,236,039 km (0.119 R)
• M5: 2,712,957 km (0.101 R)
• M6: 3,158,460 km (0.099 R)
• M7: 4,199,960 km (0.116 R)
• M8: 5,036,960 km (0.105 R)
• M9: 5,514,028 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.8

Radius: 9.1

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.25 AU - 1.81 AU

Year: 1306 Days

Day: 7.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,801,929 km

• M1: 127,158 km (0.119 R)
• M2: 418,276 km (0.05 R)
• M3: 716,723 km (0.093 R)
• M4: 1,010,234 km (0.109 R)
• M5: 1,403,078 km (0.078 R)
• M6: 1,783,207 km (0.101 R)
• M7: 2,767,561 km (0.099 R)
• M8: 3,051,647 km (0.098 R)
• M9: 4,042,134 km (0.093 R)
• M10: 4,334,299 km (0.098 R)
• M11: 4,699,916 km (0.115 R)
• M12: 6,179,888 km (0.083 R)
• M13: 8,408,896 km (0.097 R)
• M14: 9,226,897 km (0.084 R)
• M15: 9,607,026 km (0.065 R)
• M16: 9,964,565 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.9

Radius: 14.2

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.2 AU - 2.22 AU

Year: 2268 Days

Day: 5.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,801,929 km

• M1: 178,321 km (0.112 R)
• M2: 875,297 km (0.115 R)
• M3: 1,361,640 km (0.106 R)
• M4: 2,271,344 km (0.059 R)
• M5: 3,038,333 km (0.106 R)
• M6: 4,720,860 km (0.044 R)
• M7: 5,244,602 km (0.1 R)
• M8: 6,299,417 km (0.058 R)
• M9: 6,773,193 km (0.099 R)
• M10: 7,741,690 km (0.117 R)
• M11: 8,500,301 km (0.038 R)
• M12: 9,656,991 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.5

Radius: 14.1

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.61 AU - 3.31 AU

Year: 3515 Days

Day: 7.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,801,929 km

• M1: 177,423 km (0.067 R)
• M2: 620,831 km (0.115 R)
• M3: 1,286,990 km (0.107 R)
• M4: 1,879,548 km (0.072 R)
• M5: 2,907,285 km (0.081 R)
• M6: 3,557,288 km (0.061 R)
• M7: 4,447,246 km (0.119 R)
• M8: 5,775,824 km (0.088 R)
• M9: 7,806,316 km (0.117 R)
• M10: 8,699,565 km (0.089 R)
• M11: 9,413,296 km (0.093 R)
• M12: 10,019,467 km (0.09 R)
• M13: 10,881,001 km (0.107 R)
• M14: 11,509,013 km (0.044 R)
• M15: 12,202,698 km (0.088 R)
• M16: 13,054,359 km (0.096 R)
• M17: 13,809,230 km (0.11 R)
• M18: 14,734,193 km (0.049 R)
• M19: 16,350,449 km (0.096 R)
• M20: 16,811,210 km (0.115 R)
• M21: 17,919,880 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.7

Radius: 10.7

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.21 AU - 3.99 AU

Year: 4715 Days

Day: 7.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,801,929 km

• M1: 133,142 km (0.076 R)
• M2: 477,816 km (0.073 R)
• M3: 1,110,016 km (0.111 R)
• M4: 1,552,078 km (0.114 R)
• M5: 3,399,163 km (0.11 R)
• M6: 4,346,566 km (0.082 R)
• M7: 6,116,907 km (0.066 R)
• M8: 6,857,417 km (0.106 R)
• M9: 8,751,326 km (0.102 R)
• M10: 9,274,769 km (0.052 R)
• M11: 9,776,370 km (0.069 R)
• M12: 11,437,655 km (0.069 R)
• M13: 16,431,830 km (0.111 R)
• M14: 17,229,187 km (0.026 R)
• M15: 17,605,874 km (0.077 R)
• M16: 18,637,202 km (0.11 R)
• M17: 19,913,571 km (0.068 R)
• M18: 22,046,537 km (0.025 R)
• M19: 22,490,693 km (0.081 R)
• M20: 29,086,763 km (0.025 R)
• M21: 29,442,357 km (0.118 R)
• M22: 30,435,388 km (0.09 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 18,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit