🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.39 AU - 0.63 AU

Year: 136 Days

Day: 14.5 Hours

Environment

Temp: 185 °C

Axial Tilt: 39.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,491,412 km

• M1: 42,486 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.55 AU - 0.81 AU

Year: 210 Days

Day: 30.1 Hours

Environment

Temp: 110 °C

Axial Tilt: 29.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.62 AU - 0.86 AU

Year: 239 Days

Day: 19.5 Hours

Environment

Temp: 168 °C

Axial Tilt: 12.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,491,412 km

• M1: 37,250 km (0.048 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.86 AU - 1.42 AU

Year: 456 Days

Day: 24.8 Hours

Environment

Temp: -4 °C

Axial Tilt: 6.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 73,491,412 km

• M1: 33,211 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.21 AU - 1.41 AU

Year: 562 Days

Day: 46.4 Hours

Environment

Temp: -29 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.86 AU - 4.3 AU

Year: 2538 Days

Day: 16.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,491,412 km

• M1: 74,799 km (0.05 R)

Asteroid Belt

Center: 7.12 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.1

Radius: 10.1

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 8.32 AU - 12.98 AU

Year: 13024 Days

Day: 12 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,491,412 km

• M1: 125,812 km (0.107 R)
• M2: 1,067,530 km (0.097 R)
• M3: 1,813,276 km (0.034 R)
• M4: 2,941,693 km (0.042 R)
• M5: 3,967,186 km (0.074 R)
• M6: 5,083,036 km (0.039 R)
• M7: 6,206,965 km (0.118 R)
• M8: 7,361,861 km (0.09 R)
• M9: 7,704,440 km (0.069 R)
• M10: 8,514,064 km (0.112 R)
• M11: 9,231,385 km (0.104 R)
• M12: 10,197,189 km (0.089 R)
• M13: 10,515,833 km (0.072 R)
• M14: 12,269,269 km (0.11 R)
• M15: 15,012,894 km (0.092 R)
• M16: 16,710,082 km (0.043 R)
• M17: 21,161,217 km (0.071 R)
• M18: 22,119,990 km (0.075 R)
• M19: 22,565,193 km (0.073 R)
• M20: 22,925,574 km (0.038 R)
• M21: 24,030,056 km (0.087 R)
• M22: 26,845,338 km (0.098 R)
• M23: 30,417,585 km (0.089 R)
• M24: 33,238,104 km (0.074 R)
• M25: 36,972,067 km (0.065 R)
• M26: 43,568,734 km (0.061 R)
• M27: 45,547,465 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23

Radius: 5

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 11.57 AU - 16.27 AU

Year: 19462 Days

Day: 23.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,491,412 km

• M1: 62,233 km (0.083 R)
• M2: 260,300 km (0.104 R)
• M3: 433,385 km (0.072 R)
• M4: 1,319,902 km (0.094 R)
• M5: 1,671,158 km (0.092 R)
• M6: 2,622,600 km (0.049 R)
• M7: 3,195,560 km (0.108 R)
• M8: 3,423,248 km (0.092 R)
• M9: 4,128,153 km (0.093 R)
• M10: 4,444,852 km (0.099 R)
• M11: 7,588,651 km (0.111 R)
• M12: 9,186,506 km (0.098 R)
• M13: 11,038,378 km (0.116 R)
• M14: 13,270,079 km (0.096 R)
• M15: 17,589,269 km (0.044 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 534.7

Radius: 5.2

Gravity: 19.77 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 12.07 AU - 17.67 AU

Year: 21488 Days

Day: 24.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,491,412 km

• M1: 92,003 km (0.104 R)
• M2: 544,835 km (0.119 R)
• M3: 889,958 km (0.094 R)
• M4: 3,844,665 km (0.073 R)
• M5: 5,014,969 km (0.116 R)
• M6: 9,353,607 km (0.118 R)
• M7: 10,270,343 km (0.079 R)
• M8: 11,755,700 km (0.113 R)
• M9: 13,878,643 km (0.066 R)
• M10: 20,983,196 km (0.092 R)
• M11: 23,872,828 km (0.117 R)
• M12: 27,016,777 km (0.079 R)
• M13: 30,060,795 km (0.115 R)
• M14: 31,791,044 km (0.062 R)
• M15: 32,424,590 km (0.114 R)
• M16: 35,043,600 km (0.086 R)
• M17: 47,752,538 km (0.101 R)
• M18: 50,616,440 km (0.098 R)
• M19: 52,529,348 km (0.062 R)
• M20: 57,241,232 km (0.082 R)
• M21: 66,872,193 km (0.081 R)
• M22: 69,173,307 km (0.045 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 11,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit