🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.68 AU - 0.94 AU

Year: 276 Days

Day: 44.5 Hours

Environment

Temp: 165 °C

Axial Tilt: 19.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.67 AU - 1.07 AU

Year: 307 Days

Day: 47.7 Hours

Environment

Temp: 20 °C

Axial Tilt: 39.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.82 AU - 1.34 AU

Year: 425 Days

Day: 19.9 Hours

Environment

Temp: -4 °C

Axial Tilt: 37.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.45 AU - 1.49 AU

Year: 675 Days

Day: 29.4 Hours

Environment

Temp: -55 °C

Axial Tilt: 4.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.35 AU - 3.53 AU

Year: 1909 Days

Day: 46 Hours

Environment

Temp: -113 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.3

Radius: 9.3

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.3 AU - 7.84 AU

Year: 7120 Days

Day: 11.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,173,868 km

• M1: 117,285 km (0.11 R)
• M2: 529,576 km (0.079 R)
• M3: 1,285,943 km (0.091 R)
• M4: 1,886,429 km (0.085 R)
• M5: 2,312,334 km (0.065 R)
• M6: 3,246,124 km (0.106 R)
• M7: 3,786,472 km (0.106 R)
• M8: 7,160,203 km (0.092 R)
• M9: 8,498,057 km (0.061 R)
• M10: 9,249,038 km (0.106 R)
• M11: 10,531,690 km (0.079 R)
• M12: 11,189,771 km (0.115 R)
• M13: 13,859,644 km (0.102 R)
• M14: 14,588,186 km (0.088 R)
• M15: 22,500,268 km (0.117 R)
• M16: 24,280,183 km (0.059 R)
• M17: 25,607,565 km (0.057 R)
• M18: 26,982,669 km (0.087 R)
• M19: 30,482,960 km (0.101 R)
• M20: 34,056,254 km (0.097 R)
• M21: 34,604,231 km (0.11 R)
• M22: 39,925,278 km (0.098 R)
• M23: 40,290,147 km (0.074 R)
• M24: 40,657,111 km (0.028 R)
• M25: 41,397,920 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.4

Radius: 12.8

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.61 AU - 8.79 AU

Year: 9719 Days

Day: 13.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,173,868 km

• M1: 159,771 km (0.096 R)
• M2: 560,543 km (0.116 R)
• M3: 1,151,455 km (0.096 R)
• M4: 2,097,213 km (0.1 R)
• M5: 2,980,438 km (0.085 R)
• M6: 3,393,179 km (0.091 R)
• M7: 3,919,165 km (0.077 R)
• M8: 4,362,723 km (0.12 R)
• M9: 5,832,971 km (0.09 R)
• M10: 6,273,686 km (0.092 R)
• M11: 6,957,797 km (0.098 R)
• M12: 7,691,126 km (0.052 R)
• M13: 9,221,662 km (0.05 R)
• M14: 12,764,738 km (0.064 R)
• M15: 14,285,250 km (0.108 R)
• M16: 14,838,762 km (0.096 R)
• M17: 18,538,019 km (0.109 R)
• M18: 19,420,197 km (0.09 R)
• M19: 20,873,690 km (0.075 R)
• M20: 22,480,820 km (0.093 R)
• M21: 23,314,679 km (0.111 R)
• M22: 24,429,332 km (0.078 R)
• M23: 25,940,271 km (0.102 R)
• M24: 27,986,919 km (0.103 R)
• M25: 32,928,735 km (0.103 R)
• M26: 34,004,194 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.3

Radius: 9.4

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 10.6 AU - 11.88 AU

Year: 14272 Days

Day: 10.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,173,868 km

• M1: 118,033 km (0.116 R)
• M2: 597,344 km (0.064 R)
• M3: 916,437 km (0.043 R)
• M4: 1,247,197 km (0.085 R)
• M5: 2,498,284 km (0.089 R)
• M6: 3,818,186 km (0.112 R)
• M7: 6,233,594 km (0.077 R)
• M8: 6,800,270 km (0.079 R)
• M9: 7,356,924 km (0.093 R)
• M10: 8,610,255 km (0.068 R)
• M11: 9,210,741 km (0.097 R)
• M12: 28,947,188 km (0.059 R)
• M13: 34,830,423 km (0.074 R)
• M14: 35,840,209 km (0.078 R)
• M15: 36,610,189 km (0.115 R)
• M16: 39,528,395 km (0.113 R)
• M17: 49,999,199 km (0.115 R)
• M18: 52,425,527 km (0.095 R)
• M19: 58,037,691 km (0.085 R)
• M20: 59,099,387 km (0.091 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 18,415 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit