🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.54 AU - 0.88 AU

Year: 224 Days

Day: 45.6 Hours

Environment

Temp: 118 °C

Axial Tilt: 8.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.84 AU - 1.9 AU

Year: 958 Days

Day: 14.3 Hours

Environment

Temp: -68 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.5 AU - 2.34 AU

Year: 997 Days

Day: 36.2 Hours

Environment

Temp: -68 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,974,289 km

• M1: 10,023 km (0.092 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.93 AU - 2.31 AU

Year: 1157 Days

Day: 29.1 Hours

Environment

Temp: -90 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 77,974,289 km

• M1: 38,447 km (0.096 R)
• M2: 163,062 km (0.099 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.77 AU - 3.07 AU

Year: 1870 Days

Day: 44.8 Hours

Environment

Temp: -117 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.48 AU - 4.9 AU

Year: 3214 Days

Day: 33.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,974,289 km

• M1: 1,579,754 km (0.072 R)

Asteroid Belt

Center: 5.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.6

Radius: 10.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.53 AU - 7.61 AU

Year: 6311 Days

Day: 10.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,974,289 km

• M1: 137,032 km (0.063 R)
• M2: 484,847 km (0.101 R)
• M3: 1,440,777 km (0.09 R)
• M4: 2,095,567 km (0.095 R)
• M5: 2,523,566 km (0.065 R)
• M6: 3,228,322 km (0.027 R)
• M7: 4,305,576 km (0.056 R)
• M8: 4,729,686 km (0.043 R)
• M9: 6,806,254 km (0.1 R)
• M10: 7,252,505 km (0.116 R)
• M11: 8,098,032 km (0.104 R)
• M12: 14,398,645 km (0.073 R)
• M13: 19,966,080 km (0.062 R)
• M14: 20,882,367 km (0.075 R)
• M15: 22,309,082 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.6

Radius: 12.7

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.08 AU - 8.9 AU

Year: 7682 Days

Day: 10.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,974,289 km

• M1: 158,424 km (0.113 R)
• M2: 634,295 km (0.105 R)
• M3: 1,287,140 km (0.115 R)
• M4: 2,202,081 km (0.113 R)
• M5: 2,620,955 km (0.107 R)
• M6: 3,245,975 km (0.096 R)
• M7: 4,729,088 km (0.111 R)
• M8: 5,144,372 km (0.07 R)
• M9: 9,226,748 km (0.107 R)
• M10: 13,471,737 km (0.042 R)
• M11: 17,691,295 km (0.075 R)
• M12: 19,332,234 km (0.085 R)
• M13: 20,099,970 km (0.037 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.5

Radius: 13.7

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.92 AU - 11.7 AU

Year: 12406 Days

Day: 13.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,974,289 km

• M1: 233,971 km (0.114 R)
• M2: 1,775,128 km (0.103 R)
• M3: 2,946,928 km (0.112 R)
• M4: 4,442,907 km (0.113 R)
• M5: 5,682,176 km (0.098 R)
• M6: 6,639,154 km (0.08 R)
• M7: 7,367,845 km (0.105 R)
• M8: 20,295,644 km (0.112 R)
• M9: 21,694,534 km (0.11 R)
• M10: 24,832,947 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.8

Radius: 6.8

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 16 AU - 19.06 AU

Year: 27504 Days

Day: 22.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,974,289 km

• M1: 322,084 km (0.097 R)
• M2: 902,674 km (0.108 R)
• M3: 3,539,934 km (0.11 R)
• M4: 5,492,187 km (0.112 R)
• M5: 6,148,622 km (0.055 R)
• M6: 7,765,326 km (0.055 R)
• M7: 8,068,561 km (0.07 R)
• M8: 8,327,216 km (0.096 R)
• M9: 8,644,812 km (0.047 R)
• M10: 12,417,670 km (0.073 R)
• M11: 19,375,767 km (0.101 R)
• M12: 20,028,013 km (0.058 R)
• M13: 24,039,331 km (0.091 R)
• M14: 26,232,286 km (0.113 R)
• M15: 32,421,299 km (0.061 R)
• M16: 52,803,112 km (0.098 R)
• M17: 74,069,047 km (0.074 R)
• M18: 74,748,521 km (0.105 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 13,727 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit