🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.63 AU - 0.73 AU

Year: 206 Days

Day: 35.8 Hours

Environment

Temp: 191 °C

Axial Tilt: 3.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 105,899,268 km

• M1: 463,005 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.65 AU - 0.85 AU

Year: 238 Days

Day: 23.3 Hours

Environment

Temp: 182 °C

Axial Tilt: 31.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.72 AU - 0.8 AU

Year: 243 Days

Day: 42.2 Hours

Environment

Temp: 187 °C

Axial Tilt: 31.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.89 AU - 2.53 AU

Year: 1206 Days

Day: 44.4 Hours

Environment

Temp: -69 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.22 AU - 4.1 AU

Year: 2570 Days

Day: 29.4 Hours

Environment

Temp: -110 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,899,268 km

• M1: 131,796 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.3

Radius: 15

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.78 AU - 8.52 AU

Year: 7018 Days

Day: 12.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 105,899,268 km

• M1: 186,549 km (0.078 R)
• M2: 924,515 km (0.089 R)
• M3: 1,402,630 km (0.078 R)
• M4: 2,122,495 km (0.091 R)
• M5: 2,643,694 km (0.082 R)
• M6: 3,212,764 km (0.028 R)
• M7: 4,198,464 km (0.047 R)
• M8: 4,675,532 km (0.111 R)
• M9: 5,626,974 km (0.105 R)
• M10: 7,326,107 km (0.077 R)
• M11: 13,986,653 km (0.059 R)
• M12: 14,895,610 km (0.075 R)
• M13: 17,371,155 km (0.114 R)
• M14: 18,484,911 km (0.112 R)
• M15: 22,470,647 km (0.079 R)
• M16: 23,942,690 km (0.038 R)
• M17: 26,591,620 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19

Radius: 14.4

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.65 AU - 8.01 AU

Year: 7285 Days

Day: 13.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 105,899,268 km

• M1: 180,864 km (0.111 R)
• M2: 641,775 km (0.119 R)
• M3: 1,759,271 km (0.116 R)
• M4: 2,254,440 km (0.098 R)
• M5: 6,793,688 km (0.07 R)
• M6: 7,409,583 km (0.062 R)
• M7: 8,116,432 km (0.106 R)
• M8: 10,835,374 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.8

Radius: 14.4

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.29 AU - 10.61 AU

Year: 9829 Days

Day: 14.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 105,899,268 km

• M1: 179,069 km (0.103 R)
• M2: 907,311 km (0.104 R)
• M3: 1,444,816 km (0.074 R)
• M4: 1,895,255 km (0.082 R)
• M5: 2,803,165 km (0.102 R)
• M6: 3,334,985 km (0.108 R)
• M7: 4,010,869 km (0.073 R)
• M8: 5,257,468 km (0.063 R)
• M9: 6,211,453 km (0.094 R)
• M10: 6,859,810 km (0.065 R)
• M11: 8,680,416 km (0.086 R)
• M12: 10,354,417 km (0.118 R)
• M13: 12,738,857 km (0.083 R)
• M14: 14,150,612 km (0.098 R)
• M15: 17,075,400 km (0.092 R)
• M16: 20,932,332 km (0.111 R)
• M17: 24,269,263 km (0.117 R)
• M18: 26,433,495 km (0.086 R)
• M19: 36,384,596 km (0.11 R)
• M20: 40,558,227 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.8

Radius: 5.1

Gravity: 33.02 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 16.71 AU - 20.39 AU

Year: 29328 Days

Day: 24.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 105,899,268 km

• M1: 63,579 km (0.107 R)
• M2: 372,947 km (0.099 R)
• M3: 1,057,657 km (0.117 R)
• M4: 1,384,977 km (0.112 R)
• M5: 2,146,580 km (0.118 R)
• M6: 4,042,434 km (0.113 R)
• M7: 5,381,035 km (0.061 R)
• M8: 6,245,412 km (0.113 R)
• M9: 6,990,409 km (0.058 R)
• M10: 7,519,088 km (0.101 R)
• M11: 9,707,705 km (0.118 R)
• M12: 12,137,623 km (0.107 R)
• M13: 15,553,840 km (0.084 R)
• M14: 21,360,781 km (0.112 R)
• M15: 28,861,169 km (0.113 R)
• M16: 39,402,134 km (0.059 R)
• M17: 44,002,269 km (0.06 R)
• M18: 53,241,733 km (0.081 R)
• M19: 72,433,793 km (0.088 R)
• M20: 74,926,243 km (0.073 R)
• M21: 79,032,106 km (0.087 R)
• M22: 84,099,435 km (0.07 R)
• M23: 90,232,499 km (0.064 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 17,486 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit