🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.7

Radius: 8.2

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.9 AU - 0.96 AU

Year: 588 Days

Day: 11.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,466,719 km

• M1: 103,971 km (0.073 R)
• M2: 387,907 km (0.086 R)
• M3: 903,272 km (0.045 R)
• M4: 1,195,885 km (0.075 R)
• M5: 1,657,544 km (0.117 R)
• M6: 1,924,427 km (0.099 R)
• M7: 2,260,125 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.9

Radius: 10.3

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.53 AU - 2.49 AU

Year: 1869 Days

Day: 12.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,466,719 km

• M1: 128,056 km (0.105 R)
• M2: 667,057 km (0.053 R)
• M3: 1,486,105 km (0.117 R)
• M4: 2,186,522 km (0.087 R)
• M5: 3,006,169 km (0.1 R)
• M6: 3,462,892 km (0.074 R)
• M7: 4,216,715 km (0.071 R)
• M8: 5,034,866 km (0.096 R)
• M9: 5,978,679 km (0.052 R)
• M10: 7,036,186 km (0.118 R)
• M11: 7,985,684 km (0.039 R)
• M12: 9,776,370 km (0.092 R)
• M13: 10,406,028 km (0.118 R)
• M14: 10,748,308 km (0.087 R)
• M15: 12,962,057 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.2

Radius: 8.8

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.77 AU - 3.23 AU

Year: 3409 Days

Day: 6.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,466,719 km

• M1: 109,506 km (0.109 R)
• M2: 2,095,567 km (0.098 R)
• M3: 3,104,156 km (0.103 R)
• M4: 4,085,667 km (0.118 R)
• M5: 4,427,499 km (0.027 R)
• M6: 4,964,854 km (0.105 R)
• M7: 5,617,550 km (0.107 R)
• M8: 11,764,676 km (0.061 R)
• M9: 12,047,416 km (0.116 R)
• M10: 13,137,087 km (0.094 R)
• M11: 13,573,164 km (0.114 R)
• M12: 14,705,919 km (0.101 R)
• M13: 15,656,614 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841

Radius: 12.2

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.8 AU - 3.54 AU

Year: 3703 Days

Day: 14.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,466,719 km

• M1: 151,692 km (0.026 R)
• M2: 619,485 km (0.074 R)
• M3: 1,204,263 km (0.095 R)
• M4: 1,584,241 km (0.094 R)
• M5: 2,696,202 km (0.081 R)
• M6: 3,401,556 km (0.12 R)
• M7: 4,226,439 km (0.118 R)
• M8: 5,024,693 km (0.067 R)
• M9: 6,332,328 km (0.082 R)
• M10: 7,147,038 km (0.067 R)
• M11: 9,099,889 km (0.112 R)
• M12: 10,179,088 km (0.03 R)
• M13: 11,163,891 km (0.041 R)
• M14: 11,611,488 km (0.063 R)
• M15: 13,929,357 km (0.096 R)
• M16: 17,241,005 km (0.117 R)
• M17: 19,590,739 km (0.073 R)
• M18: 21,659,977 km (0.09 R)
• M19: 22,287,091 km (0.116 R)
• M20: 22,783,157 km (0.117 R)
• M21: 23,359,109 km (0.118 R)
• M22: 25,221,752 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.5

Radius: 8.7

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.62 AU - 5.32 AU

Year: 7268 Days

Day: 14.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,466,719 km

• M1: 110,403 km (0.107 R)
• M2: 483,949 km (0.116 R)
• M3: 861,235 km (0.036 R)
• M4: 2,506,512 km (0.074 R)
• M5: 3,840,626 km (0.079 R)
• M6: 4,124,264 km (0.118 R)
• M7: 4,477,763 km (0.087 R)
• M8: 4,940,320 km (0.053 R)
• M9: 6,777,681 km (0.083 R)
• M10: 7,232,309 km (0.066 R)
• M11: 8,807,126 km (0.059 R)
• M12: 9,302,893 km (0.107 R)
• M13: 10,800,368 km (0.118 R)
• M14: 11,686,586 km (0.039 R)
• M15: 12,396,428 km (0.099 R)
• M16: 13,485,051 km (0.11 R)
• M17: 14,388,622 km (0.109 R)
• M18: 16,857,735 km (0.119 R)
• M19: 17,763,550 km (0.095 R)
• M20: 19,747,966 km (0.098 R)
• M21: 20,208,279 km (0.112 R)
• M22: 22,121,336 km (0.071 R)
• M23: 25,392,443 km (0.085 R)
• M24: 25,936,830 km (0.116 R)
• M25: 27,237,284 km (0.096 R)
• M26: 28,289,107 km (0.117 R)
• M27: 33,413,881 km (0.073 R)
• M28: 34,508,190 km (0.109 R)
• M29: 38,884,825 km (0.085 R)
• M30: 39,245,356 km (0.066 R)
• M31: 40,340,412 km (0.071 R)
• M32: 41,455,664 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.7

Radius: 4.9

Gravity: 14.48 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 8.69 AU - 9.79 AU

Year: 18425 Days

Day: 16.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,466,719 km

• M1: 78,988 km (0.1 R)
• M2: 250,876 km (0.097 R)
• M3: 680,521 km (0.062 R)
• M4: 1,001,707 km (0.047 R)
• M5: 2,161,689 km (0.119 R)
• M6: 2,337,168 km (0.119 R)
• M7: 2,968,770 km (0.103 R)
• M8: 6,529,349 km (0.117 R)
• M9: 7,150,928 km (0.049 R)
• M10: 8,559,093 km (0.058 R)
• M11: 10,196,441 km (0.068 R)
• M12: 11,731,315 km (0.098 R)
• M13: 17,715,978 km (0.119 R)
• M14: 30,795,320 km (0.048 R)
• M15: 31,251,743 km (0.113 R)
• M16: 51,647,618 km (0.036 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: 254 - 14,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit