🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399

Radius: 11.1

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.65 AU - 0.77 AU

Year: 392 Days

Day: 8 Hours

Environment

Temp: -137 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,250,527 km

• M1: 138,079 km (0.061 R)
• M2: 497,114 km (0.108 R)
• M3: 848,220 km (0.075 R)
• M4: 1,324,839 km (0.12 R)
• M5: 1,940,733 km (0.078 R)
• M6: 2,574,879 km (0.08 R)
• M7: 3,585,113 km (0.099 R)
• M8: 4,007,727 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.5

Radius: 11.3

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.57 AU - 0.95 AU

Year: 435 Days

Day: 7.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,250,527 km

• M1: 140,622 km (0.077 R)
• M2: 565,181 km (0.1 R)
• M3: 1,065,885 km (0.038 R)
• M4: 1,625,231 km (0.111 R)
• M5: 2,175,303 km (0.117 R)
• M6: 2,648,481 km (0.041 R)
• M7: 3,179,254 km (0.09 R)
• M8: 3,594,687 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.3

Radius: 9.2

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.73 AU - 0.79 AU

Year: 435 Days

Day: 8.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,250,527 km

• M1: 114,442 km (0.071 R)
• M2: 418,276 km (0.116 R)
• M3: 802,144 km (0.119 R)
• M4: 1,251,536 km (0.12 R)
• M5: 1,560,755 km (0.108 R)
• M6: 1,899,594 km (0.032 R)
• M7: 2,213,899 km (0.082 R)
• M8: 2,870,933 km (0.085 R)
• M9: 3,450,176 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.5

Radius: 9.2

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.9 AU - 1.22 AU

Year: 716 Days

Day: 8.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,250,527 km

• M1: 118,182 km (0.108 R)
• M2: 421,716 km (0.11 R)
• M3: 740,809 km (0.078 R)
• M4: 1,166,415 km (0.097 R)
• M5: 2,115,463 km (0.082 R)
• M6: 2,426,777 km (0.103 R)
• M7: 3,329,899 km (0.067 R)
• M8: 3,754,009 km (0.037 R)
• M9: 4,080,731 km (0.109 R)
• M10: 4,488,684 km (0.093 R)
• M11: 4,890,504 km (0.11 R)
• M12: 5,229,044 km (0.062 R)
• M13: 5,619,644 km (0.103 R)
• M14: 6,010,543 km (0.113 R)
• M15: 6,399,498 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.6

Radius: 11.2

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.13 AU - 1.67 AU

Year: 1087 Days

Day: 7.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,250,527 km

• M1: 139,276 km (0.051 R)
• M2: 648,058 km (0.106 R)
• M3: 1,058,405 km (0.089 R)
• M4: 1,542,055 km (0.098 R)
• M5: 2,055,475 km (0.099 R)
• M6: 2,619,309 km (0.114 R)
• M7: 3,283,972 km (0.097 R)
• M8: 3,687,887 km (0.101 R)
• M9: 4,108,107 km (0.025 R)
• M10: 4,542,240 km (0.085 R)
• M11: 5,201,668 km (0.077 R)
• M12: 5,859,449 km (0.085 R)
• M13: 6,479,682 km (0.08 R)
• M14: 8,115,684 km (0.113 R)
• M15: 8,578,391 km (0.049 R)
• M16: 9,029,877 km (0.041 R)
• M17: 10,607,985 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.9

Radius: 9.2

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.13 AU - 1.79 AU

Year: 1157 Days

Day: 14.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,250,527 km

• M1: 114,442 km (0.108 R)
• M2: 463,454 km (0.047 R)
• M3: 1,414,747 km (0.096 R)
• M4: 1,929,663 km (0.118 R)
• M5: 2,519,079 km (0.06 R)
• M6: 2,843,856 km (0.084 R)
• M7: 4,783,990 km (0.094 R)
• M8: 5,095,603 km (0.112 R)
• M9: 5,800,657 km (0.063 R)
• M10: 6,349,233 km (0.112 R)
• M11: 7,973,417 km (0.035 R)
• M12: 9,799,409 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.9

Radius: 5.4

Gravity: 19.37 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.2 AU - 8.64 AU

Year: 13259 Days

Day: 24.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,250,527 km

• M1: 68,965 km (0.067 R)
• M2: 513,719 km (0.062 R)
• M3: 893,548 km (0.099 R)
• M4: 1,181,823 km (0.093 R)
• M5: 1,388,567 km (0.037 R)
• M6: 1,589,477 km (0.083 R)
• M7: 1,760,767 km (0.083 R)
• M8: 1,944,324 km (0.104 R)
• M9: 2,177,995 km (0.117 R)
• M10: 2,637,560 km (0.081 R)
• M11: 6,096,861 km (0.118 R)
• M12: 8,225,489 km (0.104 R)
• M13: 9,230,189 km (0.06 R)
• M14: 11,082,509 km (0.078 R)
• M15: 11,712,316 km (0.095 R)
• M16: 12,794,059 km (0.117 R)
• M17: 15,715,556 km (0.111 R)
• M18: 18,414,152 km (0.108 R)
• M19: 18,811,783 km (0.036 R)
• M20: 19,053,084 km (0.073 R)
• M21: 19,955,758 km (0.108 R)
• M22: 26,579,353 km (0.068 R)
• M23: 28,017,587 km (0.107 R)
• M24: 28,332,490 km (0.065 R)
• M25: 29,183,553 km (0.086 R)
• M26: 34,530,779 km (0.103 R)
• M27: 37,243,886 km (0.027 R)
• M28: 40,095,820 km (0.084 R)
• M29: 42,121,674 km (0.114 R)
• M30: 43,229,446 km (0.102 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 17,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit