🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.53 AU - 0.57 AU

Year: 156 Days

Day: 13.9 Hours

Environment

Temp: 148 °C

Axial Tilt: 39.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.55 AU - 0.61 AU

Year: 169 Days

Day: 22.9 Hours

Environment

Temp: 199 °C

Axial Tilt: 7.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.62 AU - 0.84 AU

Year: 239 Days

Day: 35.2 Hours

Environment

Temp: 140 °C

Axial Tilt: 144 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.87 AU - 0.89 AU

Year: 316 Days

Day: 25.5 Hours

Environment

Temp: 23 °C

Axial Tilt: 19.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.86 AU - 2.34 AU

Year: 1165 Days

Day: 44.1 Hours

Environment

Temp: -76 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,735,911 km

• M1: 216,618 km (0.089 R)

Asteroid Belt

Center: 4.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.6

Radius: 12.2

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.8 AU - 7.2 AU

Year: 6345 Days

Day: 10.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,735,911 km

• M1: 151,842 km (0.091 R)
• M2: 1,175,839 km (0.04 R)
• M3: 1,589,926 km (0.06 R)
• M4: 2,015,083 km (0.114 R)
• M5: 2,890,231 km (0.102 R)
• M6: 3,933,826 km (0.074 R)
• M7: 4,341,330 km (0.053 R)
• M8: 5,046,983 km (0.039 R)
• M9: 5,442,221 km (0.114 R)
• M10: 6,359,555 km (0.108 R)
• M11: 9,144,319 km (0.075 R)
• M12: 11,657,863 km (0.092 R)
• M13: 12,555,300 km (0.026 R)
• M14: 18,269,042 km (0.041 R)
• M15: 18,800,563 km (0.032 R)
• M16: 19,342,406 km (0.061 R)
• M17: 20,386,300 km (0.066 R)
• M18: 21,910,553 km (0.114 R)
• M19: 24,138,664 km (0.048 R)
• M20: 24,940,807 km (0.101 R)
• M21: 27,454,201 km (0.026 R)
• M22: 28,328,302 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662

Radius: 13.7

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.63 AU - 8.77 AU

Year: 9825 Days

Day: 5.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,735,911 km

• M1: 170,542 km (0.042 R)
• M2: 823,536 km (0.114 R)
• M3: 1,728,454 km (0.044 R)
• M4: 2,223,024 km (0.097 R)
• M5: 2,917,308 km (0.118 R)
• M6: 3,529,911 km (0.107 R)
• M7: 4,422,861 km (0.119 R)
• M8: 5,396,145 km (0.106 R)
• M9: 7,196,854 km (0.079 R)
• M10: 11,131,578 km (0.106 R)
• M11: 11,894,826 km (0.103 R)
• M12: 12,576,543 km (0.097 R)
• M13: 13,224,302 km (0.09 R)
• M14: 15,836,431 km (0.095 R)
• M15: 18,027,591 km (0.107 R)
• M16: 19,857,771 km (0.059 R)
• M17: 21,309,618 km (0.095 R)
• M18: 24,153,324 km (0.097 R)
• M19: 26,469,698 km (0.04 R)
• M20: 31,433,355 km (0.109 R)
• M21: 34,990,194 km (0.05 R)
• M22: 36,154,664 km (0.097 R)
• M23: 38,560,946 km (0.071 R)
• M24: 40,434,360 km (0.087 R)
• M25: 42,106,415 km (0.081 R)
• M26: 43,025,694 km (0.094 R)
• M27: 44,904,194 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.6

Radius: 8.4

Gravity: 12.81 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 10.36 AU - 12.66 AU

Year: 14951 Days

Day: 12.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,735,911 km

• M1: 104,719 km (0.07 R)
• M2: 713,133 km (0.082 R)
• M3: 983,905 km (0.115 R)
• M4: 1,710,053 km (0.046 R)
• M5: 2,778,182 km (0.113 R)
• M6: 3,441,798 km (0.117 R)
• M7: 3,960,304 km (0.057 R)
• M8: 4,398,776 km (0.108 R)
• M9: 5,045,338 km (0.116 R)
• M10: 5,485,305 km (0.114 R)
• M11: 6,193,202 km (0.082 R)
• M12: 10,322,103 km (0.116 R)
• M13: 10,911,519 km (0.069 R)
• M14: 13,357,295 km (0.061 R)
• M15: 14,128,322 km (0.085 R)
• M16: 15,302,516 km (0.109 R)
• M17: 16,540,588 km (0.105 R)
• M18: 18,520,815 km (0.103 R)
• M19: 20,470,225 km (0.098 R)
• M20: 26,584,439 km (0.106 R)
• M21: 27,690,715 km (0.06 R)
• M22: 29,407,201 km (0.073 R)
• M23: 33,686,149 km (0.071 R)
• M24: 34,849,871 km (0.035 R)
• M25: 47,515,575 km (0.037 R)
• M26: 54,071,402 km (0.119 R)
• M27: 65,294,833 km (0.113 R)
• M28: 66,495,954 km (0.051 R)
• M29: 67,304,680 km (0.053 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 17,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit