🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.39 AU - 0.61 AU

Year: 228 Days

Day: 17 Hours

Environment

Temp: -121 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.6

Radius: 12

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.62 AU - 0.9 AU

Year: 428 Days

Day: 10.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,715,580 km

• M1: 155,283 km (0.102 R)
• M2: 572,511 km (0.074 R)
• M3: 1,109,567 km (0.085 R)
• M4: 1,594,713 km (0.118 R)
• M5: 2,041,562 km (0.114 R)
• M6: 2,782,820 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.9

Radius: 13.7

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.64 AU - 0.92 AU

Year: 445 Days

Day: 7.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,715,580 km

• M1: 170,691 km (0.076 R)
• M2: 615,894 km (0.09 R)
• M3: 1,161,179 km (0.084 R)
• M4: 1,791,883 km (0.085 R)
• M5: 2,556,179 km (0.103 R)
• M6: 3,078,724 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.6

Radius: 8.1

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.07 AU - 1.44 AU

Year: 902 Days

Day: 11.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,715,580 km

• M1: 100,679 km (0.113 R)
• M2: 369,956 km (0.082 R)
• M3: 633,846 km (0.118 R)
• M4: 1,006,345 km (0.083 R)
• M5: 1,276,369 km (0.094 R)
• M6: 1,587,084 km (0.119 R)
• M7: 1,881,193 km (0.111 R)
• M8: 2,319,515 km (0.083 R)
• M9: 2,862,106 km (0.077 R)
• M10: 4,133,539 km (0.118 R)
• M11: 4,678,075 km (0.113 R)
• M12: 5,098,445 km (0.081 R)
• M13: 5,385,972 km (0.1 R)
• M14: 6,556,575 km (0.062 R)
• M15: 7,201,641 km (0.092 R)
• M16: 8,458,114 km (0.078 R)
• M17: 9,027,035 km (0.07 R)

Asteroid Belt

Center: 1.6 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.2

Radius: 12.4

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.49 AU - 2.39 AU

Year: 1745 Days

Day: 12.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 132.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,715,580 km

• M1: 154,385 km (0.119 R)
• M2: 833,260 km (0.115 R)
• M3: 1,341,145 km (0.06 R)
• M4: 1,874,013 km (0.071 R)
• M5: 2,413,014 km (0.106 R)
• M6: 3,069,748 km (0.052 R)
• M7: 3,861,121 km (0.115 R)
• M8: 4,494,668 km (0.078 R)
• M9: 5,130,010 km (0.115 R)
• M10: 5,656,894 km (0.119 R)
• M11: 6,169,416 km (0.083 R)
• M12: 6,982,780 km (0.076 R)
• M13: 7,985,385 km (0.053 R)
• M14: 8,474,719 km (0.102 R)
• M15: 10,275,878 km (0.071 R)
• M16: 11,804,918 km (0.109 R)
• M17: 12,644,311 km (0.095 R)
• M18: 13,955,836 km (0.118 R)
• M19: 14,940,339 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.4

Radius: 11.2

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.41 AU - 2.97 AU

Year: 2849 Days

Day: 8.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,715,580 km

• M1: 139,276 km (0.073 R)
• M2: 490,531 km (0.107 R)
• M3: 860,786 km (0.113 R)
• M4: 1,488,499 km (0.087 R)
• M5: 2,107,984 km (0.111 R)
• M6: 2,659,850 km (0.12 R)
• M7: 3,036,089 km (0.087 R)
• M8: 3,431,925 km (0.102 R)
• M9: 3,984,240 km (0.091 R)
• M10: 4,752,425 km (0.106 R)
• M11: 5,353,509 km (0.073 R)
• M12: 6,582,606 km (0.104 R)
• M13: 7,410,779 km (0.109 R)
• M14: 8,872,650 km (0.114 R)
• M15: 9,527,290 km (0.118 R)
• M16: 10,047,591 km (0.073 R)
• M17: 11,359,415 km (0.066 R)
• M18: 12,665,704 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.4

Radius: 6.1

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.23 AU - 8.33 AU

Year: 12683 Days

Day: 15.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 38,715,580 km

• M1: 75,846 km (0.098 R)
• M2: 308,770 km (0.053 R)
• M3: 498,610 km (0.101 R)
• M4: 905,965 km (0.043 R)
• M5: 1,108,670 km (0.074 R)
• M6: 1,342,042 km (0.115 R)
• M7: 1,775,577 km (0.077 R)
• M8: 2,315,476 km (0.114 R)
• M9: 2,586,098 km (0.064 R)
• M10: 3,147,988 km (0.045 R)
• M11: 4,429,743 km (0.044 R)
• M12: 4,819,445 km (0.054 R)
• M13: 5,171,299 km (0.099 R)
• M14: 6,160,291 km (0.113 R)
• M15: 8,256,157 km (0.09 R)
• M16: 10,204,968 km (0.09 R)
• M17: 10,736,340 km (0.095 R)
• M18: 11,033,890 km (0.049 R)
• M19: 11,235,249 km (0.025 R)
• M20: 15,797,236 km (0.109 R)
• M21: 16,376,928 km (0.084 R)
• M22: 16,970,831 km (0.083 R)
• M23: 17,647,462 km (0.071 R)
• M24: 24,142,104 km (0.091 R)
• M25: 26,228,546 km (0.104 R)
• M26: 27,499,679 km (0.096 R)
• M27: 29,289,767 km (0.086 R)
• M28: 30,164,167 km (0.089 R)
• M29: 36,443,238 km (0.104 R)
• M30: 38,024,188 km (0.063 R)
• M31: 38,368,862 km (0.114 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 15,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit