🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.67 AU - 0.81 AU

Year: 234 Days

Day: 12.8 Hours

Environment

Temp: 144 °C

Axial Tilt: 22 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.71 AU - 1.17 AU

Year: 335 Days

Day: 21.5 Hours

Environment

Temp: 41 °C

Axial Tilt: 8.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.17 AU - 1.87 AU

Year: 688 Days

Day: 38.2 Hours

Environment

Temp: -34 °C

Axial Tilt: 45.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 104,104,314 km

• M1: 48,769 km (0.086 R)

Asteroid Belt

Center: 3.87 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.7

Radius: 14.2

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.39 AU - 7.03 AU

Year: 5681 Days

Day: 14.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 104,104,314 km

• M1: 176,675 km (0.066 R)
• M2: 650,302 km (0.037 R)
• M3: 1,336,507 km (0.05 R)
• M4: 1,881,941 km (0.106 R)
• M5: 2,442,036 km (0.096 R)
• M6: 3,272,154 km (0.08 R)
• M7: 4,091,352 km (0.071 R)
• M8: 5,092,312 km (0.114 R)
• M9: 6,000,520 km (0.113 R)
• M10: 7,324,013 km (0.108 R)
• M11: 8,727,540 km (0.049 R)
• M12: 9,568,579 km (0.04 R)
• M13: 10,583,750 km (0.046 R)
• M14: 11,076,077 km (0.09 R)
• M15: 12,645,508 km (0.095 R)
• M16: 19,191,462 km (0.096 R)
• M17: 20,804,426 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.1

Radius: 10.8

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 9.24 AU - 12.44 AU

Year: 13101 Days

Day: 7.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 104,104,314 km

• M1: 134,339 km (0.113 R)
• M2: 1,310,328 km (0.077 R)
• M3: 3,261,533 km (0.117 R)
• M4: 4,487,188 km (0.112 R)
• M5: 4,895,142 km (0.082 R)
• M6: 6,780,823 km (0.056 R)
• M7: 9,877,199 km (0.064 R)
• M8: 17,997,821 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.5

Radius: 7.3

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 11 AU - 15.16 AU

Year: 17365 Days

Day: 16.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 104,104,314 km

• M1: 129,402 km (0.118 R)
• M2: 459,116 km (0.107 R)
• M3: 934,388 km (0.089 R)
• M4: 1,480,421 km (0.075 R)
• M5: 2,026,453 km (0.103 R)
• M6: 2,769,505 km (0.095 R)
• M7: 3,457,506 km (0.093 R)
• M8: 3,768,520 km (0.071 R)
• M9: 5,424,568 km (0.117 R)
• M10: 5,924,225 km (0.067 R)
• M11: 6,971,261 km (0.113 R)
• M12: 8,038,642 km (0.035 R)
• M13: 9,644,575 km (0.112 R)
• M14: 11,764,975 km (0.09 R)
• M15: 13,135,890 km (0.113 R)
• M16: 15,575,981 km (0.107 R)
• M17: 16,742,694 km (0.107 R)
• M18: 16,982,949 km (0.1 R)
• M19: 17,634,597 km (0.114 R)
• M20: 19,689,922 km (0.049 R)
• M21: 20,227,726 km (0.109 R)
• M22: 22,965,816 km (0.116 R)
• M23: 26,805,545 km (0.108 R)
• M24: 27,355,167 km (0.106 R)
• M25: 42,761,055 km (0.116 R)
• M26: 44,423,387 km (0.107 R)
• M27: 46,285,282 km (0.096 R)
• M28: 47,235,677 km (0.078 R)
• M29: 54,429,839 km (0.111 R)
• M30: 58,746,186 km (0.051 R)
• M31: 62,705,593 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.7

Radius: 5.1

Gravity: 31.01 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 17.89 AU - 19.35 AU

Year: 29495 Days

Day: 20.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 104,104,314 km

• M1: 70,012 km (0.111 R)
• M2: 374,144 km (0.12 R)
• M3: 972,985 km (0.113 R)
• M4: 1,156,242 km (0.077 R)
• M5: 1,466,059 km (0.062 R)
• M6: 1,669,662 km (0.096 R)
• M7: 1,977,684 km (0.097 R)
• M8: 2,180,239 km (0.094 R)
• M9: 4,116,634 km (0.086 R)
• M10: 4,718,167 km (0.073 R)
• M11: 4,998,962 km (0.069 R)
• M12: 5,333,463 km (0.064 R)
• M13: 11,426,285 km (0.102 R)
• M14: 14,274,479 km (0.115 R)
• M15: 15,118,510 km (0.099 R)
• M16: 16,355,236 km (0.043 R)
• M17: 19,229,909 km (0.064 R)
• M18: 21,431,241 km (0.102 R)
• M19: 21,979,069 km (0.11 R)
• M20: 22,312,223 km (0.112 R)
• M21: 23,678,800 km (0.081 R)
• M22: 24,501,139 km (0.08 R)
• M23: 24,979,404 km (0.034 R)
• M24: 25,342,328 km (0.083 R)
• M25: 26,955,442 km (0.086 R)
• M26: 32,346,201 km (0.117 R)
• M27: 33,650,844 km (0.117 R)
• M28: 34,990,194 km (0.1 R)
• M29: 41,038,137 km (0.081 R)
• M30: 48,118,903 km (0.098 R)
• M31: 48,492,898 km (0.05 R)
• M32: 57,849,048 km (0.087 R)
• M33: 69,523,965 km (0.108 R)
• M34: 71,448,841 km (0.115 R)
• M35: 72,424,518 km (0.098 R)
• M36: 81,608,331 km (0.088 R)
• M37: 92,688,597 km (0.07 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 20,370 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit