🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.3

Radius: 9

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.72 AU - 0.8 AU

Year: 435 Days

Day: 9 Hours

Environment

Temp: -141 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,085,796 km

• M1: 111,899 km (0.08 R)
• M2: 505,641 km (0.103 R)
• M3: 835,803 km (0.053 R)
• M4: 1,132,456 km (0.082 R)
• M5: 2,235,441 km (0.071 R)
• M6: 2,723,728 km (0.092 R)
• M7: 3,017,389 km (0.084 R)
• M8: 3,393,777 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.7

Radius: 13.5

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.05 AU - 1.39 AU

Year: 884 Days

Day: 8.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,085,796 km

• M1: 173,833 km (0.092 R)
• M2: 975,079 km (0.052 R)
• M3: 1,454,390 km (0.083 R)
• M4: 1,999,675 km (0.099 R)
• M5: 2,715,201 km (0.043 R)
• M6: 5,479,022 km (0.115 R)
• M7: 7,085,554 km (0.057 R)
• M8: 7,997,951 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.8

Radius: 8.5

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.48 AU - 1.56 AU

Year: 1229 Days

Day: 9.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,085,796 km

• M1: 105,766 km (0.105 R)
• M2: 413,937 km (0.083 R)
• M3: 731,683 km (0.118 R)
• M4: 1,151,604 km (0.098 R)
• M5: 1,984,865 km (0.026 R)
• M6: 2,510,701 km (0.115 R)
• M7: 2,966,526 km (0.115 R)
• M8: 3,340,670 km (0.098 R)
• M9: 4,016,104 km (0.071 R)
• M10: 4,475,071 km (0.032 R)
• M11: 4,905,165 km (0.064 R)
• M12: 6,193,801 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.7

Radius: 9.6

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.28 AU - 2.1 AU

Year: 1441 Days

Day: 7.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,085,796 km

• M1: 119,379 km (0.064 R)
• M2: 464,202 km (0.074 R)
• M3: 1,442,423 km (0.119 R)
• M4: 3,471,419 km (0.089 R)
• M5: 4,228,982 km (0.117 R)
• M6: 4,683,311 km (0.107 R)
• M7: 5,150,505 km (0.119 R)
• M8: 5,793,776 km (0.081 R)
• M9: 6,355,067 km (0.076 R)
• M10: 8,609,058 km (0.106 R)
• M11: 10,514,337 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.6

Radius: 8.4

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.05 AU - 2.07 AU

Year: 1940 Days

Day: 10.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,085,796 km

• M1: 147,504 km (0.09 R)
• M2: 596,297 km (0.051 R)
• M3: 962,214 km (0.088 R)
• M4: 1,241,363 km (0.078 R)
• M5: 1,584,690 km (0.056 R)
• M6: 1,904,530 km (0.117 R)
• M7: 2,662,393 km (0.042 R)
• M8: 3,013,799 km (0.08 R)
• M9: 4,761,251 km (0.099 R)
• M10: 5,068,825 km (0.11 R)
• M11: 6,001,567 km (0.1 R)
• M12: 7,860,022 km (0.104 R)
• M13: 8,174,476 km (0.102 R)
• M14: 8,798,000 km (0.095 R)
• M15: 9,452,790 km (0.117 R)
• M16: 11,871,788 km (0.095 R)
• M17: 13,024,739 km (0.09 R)
• M18: 13,546,835 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.8

Radius: 14.9

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.05 AU - 2.51 AU

Year: 2258 Days

Day: 6.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,085,796 km

• M1: 187,596 km (0.114 R)
• M2: 813,214 km (0.089 R)
• M3: 1,340,995 km (0.1 R)
• M4: 2,010,895 km (0.072 R)
• M5: 2,505,316 km (0.097 R)
• M6: 3,435,964 km (0.053 R)
• M7: 3,927,243 km (0.091 R)
• M8: 4,505,888 km (0.116 R)
• M9: 5,527,641 km (0.097 R)
• M10: 6,056,619 km (0.082 R)
• M11: 6,540,718 km (0.095 R)
• M12: 7,414,968 km (0.033 R)
• M13: 8,521,693 km (0.095 R)
• M14: 9,565,288 km (0.06 R)
• M15: 12,224,240 km (0.107 R)
• M16: 13,042,840 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.8

Radius: 4.3

Gravity: 27.63 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 7.3 AU - 9.98 AU

Year: 16660 Days

Day: 17 Hours

Environment

Temp: -238 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,085,796 km

• M1: 93,648 km (0.073 R)
• M2: 1,053,618 km (0.054 R)
• M3: 1,322,744 km (0.069 R)
• M4: 1,961,078 km (0.11 R)
• M5: 2,389,377 km (0.099 R)
• M6: 2,853,879 km (0.093 R)
• M7: 3,673,825 km (0.095 R)
• M8: 5,615,006 km (0.109 R)
• M9: 6,032,983 km (0.081 R)
• M10: 6,189,911 km (0.073 R)
• M11: 6,719,188 km (0.094 R)
• M12: 9,139,832 km (0.082 R)
• M13: 9,824,990 km (0.091 R)
• M14: 11,119,909 km (0.109 R)
• M15: 12,085,264 km (0.108 R)
• M16: 19,413,764 km (0.103 R)
• M17: 23,796,084 km (0.106 R)
• M18: 24,785,226 km (0.118 R)
• M19: 30,259,161 km (0.072 R)
• M20: 30,604,134 km (0.119 R)
• M21: 32,488,618 km (0.1 R)
• M22: 39,008,991 km (0.069 R)
• M23: 51,070,170 km (0.105 R)
• M24: 54,219,953 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 20,229 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit