🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.65 AU - 0.77 AU

Year: 258 Days

Day: 40.7 Hours

Environment

Temp: -13 °C

Axial Tilt: 17.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 85,264,310 km

• M1: 19,597 km (0.117 R)
• M2: 234,121 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.82 AU - 1.16 AU

Year: 424 Days

Day: 24.7 Hours

Environment

Temp: -45 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,264,310 km

• M1: 172,187 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.98 AU - 1.24 AU

Year: 503 Days

Day: 19.7 Hours

Environment

Temp: -66 °C

Axial Tilt: 41.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.96 AU - 2.62 AU

Year: 1492 Days

Day: 29.2 Hours

Environment

Temp: -122 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.4

Radius: 8.2

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.35 AU - 3.73 AU

Year: 2282 Days

Day: 12.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,264,310 km

• M1: 106,065 km (0.057 R)
• M2: 539,151 km (0.065 R)
• M3: 821,143 km (0.088 R)
• M4: 1,674,449 km (0.12 R)
• M5: 2,309,791 km (0.109 R)
• M6: 2,592,681 km (0.039 R)
• M7: 3,053,442 km (0.077 R)
• M8: 3,318,978 km (0.041 R)
• M9: 4,033,907 km (0.084 R)
• M10: 4,502,298 km (0.103 R)
• M11: 5,656,445 km (0.098 R)
• M12: 6,081,901 km (0.116 R)
• M13: 6,385,136 km (0.081 R)
• M14: 7,200,445 km (0.106 R)
• M15: 7,566,660 km (0.054 R)
• M16: 8,681,763 km (0.088 R)
• M17: 9,494,079 km (0.089 R)
• M18: 10,063,150 km (0.061 R)
• M19: 11,374,076 km (0.077 R)
• M20: 11,943,445 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.7

Radius: 12

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.97 AU - 6.53 AU

Year: 5178 Days

Day: 10.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,264,310 km

• M1: 149,448 km (0.118 R)
• M2: 700,417 km (0.109 R)
• M3: 1,434,644 km (0.071 R)
• M4: 2,096,465 km (0.083 R)
• M5: 2,879,011 km (0.071 R)
• M6: 4,106,611 km (0.097 R)
• M7: 4,619,582 km (0.113 R)
• M8: 5,538,861 km (0.065 R)
• M9: 6,628,532 km (0.055 R)
• M10: 7,738,698 km (0.114 R)
• M11: 8,431,037 km (0.1 R)
• M12: 9,196,978 km (0.117 R)
• M13: 10,219,031 km (0.072 R)
• M14: 10,612,174 km (0.098 R)
• M15: 11,582,017 km (0.053 R)
• M16: 12,407,797 km (0.096 R)
• M17: 12,979,710 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.6

Radius: 11

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.65 AU - 7.15 AU

Year: 6169 Days

Day: 13.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,264,310 km

• M1: 139,276 km (0.104 R)
• M2: 1,562,251 km (0.117 R)
• M3: 2,104,692 km (0.103 R)
• M4: 2,620,506 km (0.056 R)
• M5: 3,551,902 km (0.095 R)
• M6: 3,965,840 km (0.09 R)
• M7: 4,517,856 km (0.102 R)
• M8: 5,097,248 km (0.116 R)
• M9: 5,826,837 km (0.069 R)
• M10: 7,195,957 km (0.067 R)
• M11: 7,615,280 km (0.044 R)
• M12: 8,242,543 km (0.116 R)
• M13: 9,493,481 km (0.083 R)
• M14: 9,925,370 km (0.118 R)
• M15: 10,597,663 km (0.103 R)
• M16: 11,180,795 km (0.102 R)
• M17: 13,821,347 km (0.09 R)
• M18: 15,531,999 km (0.114 R)
• M19: 16,284,925 km (0.069 R)
• M20: 18,858,308 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.6

Radius: 6.1

Gravity: 19.12 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 11.04 AU - 17.56 AU

Year: 23277 Days

Day: 23.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,264,310 km

• M1: 75,846 km (0.075 R)
• M2: 494,421 km (0.098 R)
• M3: 5,090,367 km (0.106 R)
• M4: 5,904,329 km (0.115 R)
• M5: 7,532,253 km (0.118 R)
• M6: 8,206,640 km (0.076 R)
• M7: 10,917,204 km (0.063 R)
• M8: 11,644,249 km (0.081 R)
• M9: 16,440,507 km (0.05 R)
• M10: 17,930,053 km (0.063 R)
• M11: 27,939,497 km (0.103 R)
• M12: 35,871,176 km (0.118 R)
• M13: 38,514,421 km (0.057 R)
• M14: 46,703,258 km (0.06 R)
• M15: 47,045,987 km (0.095 R)
• M16: 48,785,511 km (0.055 R)
• M17: 51,110,262 km (0.081 R)
• M18: 53,320,870 km (0.101 R)
• M19: 58,725,093 km (0.112 R)
• M20: 65,764,271 km (0.097 R)
• M21: 74,273,697 km (0.104 R)
• M22: 82,984,931 km (0.107 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 14,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit