🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.45 AU - 0.61 AU

Year: 249 Days

Day: 38.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,194,414 km

• M1: 475,422 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.9

Radius: 14.1

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.71 AU - 1.09 AU

Year: 551 Days

Day: 10.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,194,414 km

• M1: 178,021 km (0.104 R)
• M2: 745,596 km (0.043 R)
• M3: 1,223,112 km (0.048 R)
• M4: 1,714,092 km (0.102 R)
• M5: 2,198,790 km (0.084 R)
• M6: 2,830,093 km (0.118 R)
• M7: 3,353,386 km (0.07 R)
• M8: 3,845,413 km (0.102 R)
• M9: 4,400,870 km (0.1 R)
• M10: 4,864,175 km (0.09 R)
• M11: 5,309,079 km (0.086 R)
• M12: 6,000,221 km (0.114 R)
• M13: 6,690,914 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.4

Radius: 14.8

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.17 AU - 2.63 AU

Year: 2401 Days

Day: 13.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 79,194,414 km

• M1: 184,305 km (0.042 R)
• M2: 781,350 km (0.084 R)
• M3: 1,358,498 km (0.104 R)
• M4: 2,769,655 km (0.091 R)
• M5: 3,406,792 km (0.094 R)
• M6: 5,123,577 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.4

Radius: 12

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.1 AU - 4.46 AU

Year: 5717 Days

Day: 5.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,194,414 km

• M1: 149,598 km (0.058 R)
• M2: 527,632 km (0.11 R)
• M3: 1,268,889 km (0.036 R)
• M4: 1,725,312 km (0.036 R)
• M5: 2,356,316 km (0.088 R)
• M6: 4,034,206 km (0.074 R)
• M7: 4,661,021 km (0.098 R)
• M8: 5,067,777 km (0.115 R)
• M9: 5,557,262 km (0.104 R)
• M10: 7,877,674 km (0.082 R)
• M11: 8,656,481 km (0.097 R)
• M12: 11,206,975 km (0.115 R)
• M13: 13,558,354 km (0.091 R)
• M14: 14,166,021 km (0.111 R)
• M15: 15,258,534 km (0.117 R)
• M16: 18,334,715 km (0.055 R)
• M17: 20,843,023 km (0.054 R)
• M18: 22,560,406 km (0.053 R)
• M19: 28,277,289 km (0.067 R)
• M20: 29,544,682 km (0.069 R)

Asteroid Belt

Center: 4.86 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.7

Radius: 10.3

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.19 AU - 5.67 AU

Year: 8170 Days

Day: 8.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,194,414 km

• M1: 128,953 km (0.079 R)
• M2: 508,932 km (0.08 R)
• M3: 1,063,042 km (0.05 R)
• M4: 1,755,082 km (0.104 R)
• M5: 2,882,751 km (0.091 R)
• M6: 3,218,000 km (0.104 R)
• M7: 4,917,132 km (0.116 R)
• M8: 5,619,195 km (0.113 R)
• M9: 6,112,120 km (0.034 R)
• M10: 6,456,644 km (0.118 R)
• M11: 7,109,489 km (0.113 R)
• M12: 9,839,052 km (0.036 R)
• M13: 10,654,510 km (0.089 R)
• M14: 11,934,918 km (0.106 R)
• M15: 12,862,275 km (0.045 R)
• M16: 16,854,893 km (0.052 R)
• M17: 18,374,658 km (0.11 R)
• M18: 20,900,019 km (0.073 R)
• M19: 25,549,820 km (0.086 R)
• M20: 27,179,689 km (0.05 R)
• M21: 28,399,211 km (0.103 R)
• M22: 29,361,724 km (0.082 R)
• M23: 31,863,449 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.5

Radius: 3.9

Gravity: 59.8 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8 AU - 10.68 AU

Year: 18430 Days

Day: 23.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,194,414 km

• M1: 50,115 km (0.116 R)
• M2: 188,643 km (0.076 R)
• M3: 354,846 km (0.102 R)
• M4: 510,129 km (0.039 R)
• M5: 791,971 km (0.078 R)
• M6: 1,024,147 km (0.048 R)
• M7: 1,184,217 km (0.106 R)
• M8: 1,504,805 km (0.079 R)
• M9: 1,658,891 km (0.056 R)
• M10: 2,316,224 km (0.03 R)
• M11: 4,188,890 km (0.056 R)
• M12: 4,635,888 km (0.074 R)
• M13: 5,345,282 km (0.075 R)
• M14: 5,705,364 km (0.098 R)
• M15: 6,744,620 km (0.036 R)
• M16: 7,069,995 km (0.087 R)
• M17: 7,260,733 km (0.08 R)
• M18: 7,652,230 km (0.098 R)
• M19: 8,371,048 km (0.089 R)
• M20: 10,485,614 km (0.079 R)
• M21: 11,965,436 km (0.077 R)
• M22: 15,731,712 km (0.117 R)
• M23: 23,428,822 km (0.059 R)
• M24: 24,066,408 km (0.112 R)
• M25: 27,663,638 km (0.12 R)
• M26: 27,899,554 km (0.113 R)
• M27: 44,167,724 km (0.112 R)
• M28: 48,654,015 km (0.081 R)
• M29: 51,272,875 km (0.06 R)
• M30: 52,166,273 km (0.12 R)
• M31: 53,252,055 km (0.066 R)
• M32: 66,206,333 km (0.087 R)
• M33: 71,171,486 km (0.081 R)
• M34: 74,768,268 km (0.094 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: 235 - 17,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit