🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.4 AU - 0.62 AU

Year: 135 Days

Day: 19.6 Hours

Environment

Temp: 203 °C

Axial Tilt: 15.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.76 AU - 0.92 AU

Year: 286 Days

Day: 19.2 Hours

Environment

Temp: 121 °C

Axial Tilt: 7.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.15 AU - 1.27 AU

Year: 494 Days

Day: 33.1 Hours

Environment

Temp: 7 °C

Axial Tilt: 0.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 45,699,551 km

• M1: 684,111 km (0.076 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.51 AU - 2.49 AU

Year: 1049 Days

Day: 47.4 Hours

Environment

Temp: -69 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,699,551 km

• M1: 77,043 km (0.055 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.86 AU - 3.98 AU

Year: 2346 Days

Day: 44.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 43.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 45,699,551 km

• M1: 494,122 km (0.092 R)
• M2: 1,679,386 km (0.085 R)

Asteroid Belt

Center: 4.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.8

Radius: 9.3

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.34 AU - 6.3 AU

Year: 5207 Days

Day: 13.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,699,551 km

• M1: 121,025 km (0.112 R)
• M2: 420,370 km (0.042 R)
• M3: 753,674 km (0.075 R)
• M4: 1,054,216 km (0.075 R)
• M5: 1,361,640 km (0.108 R)
• M6: 1,656,048 km (0.099 R)
• M7: 1,979,479 km (0.051 R)
• M8: 2,376,661 km (0.102 R)
• M9: 3,681,304 km (0.071 R)
• M10: 3,986,634 km (0.082 R)
• M11: 4,774,715 km (0.114 R)
• M12: 5,662,878 km (0.102 R)
• M13: 6,593,975 km (0.086 R)
• M14: 7,013,597 km (0.041 R)
• M15: 7,942,151 km (0.117 R)
• M16: 8,454,673 km (0.117 R)
• M17: 10,950,115 km (0.115 R)
• M18: 11,447,379 km (0.108 R)
• M19: 12,197,313 km (0.085 R)
• M20: 13,434,338 km (0.075 R)
• M21: 16,564,075 km (0.09 R)
• M22: 18,203,817 km (0.114 R)
• M23: 20,554,598 km (0.106 R)
• M24: 22,590,026 km (0.099 R)
• M25: 23,768,858 km (0.088 R)
• M26: 25,613,100 km (0.114 R)
• M27: 27,303,556 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.1

Radius: 11.3

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.75 AU - 6.41 AU

Year: 5560 Days

Day: 8 Hours

Environment

Temp: -147 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,699,551 km

• M1: 140,622 km (0.069 R)
• M2: 630,854 km (0.113 R)
• M3: 1,407,866 km (0.031 R)
• M4: 1,760,917 km (0.084 R)
• M5: 2,544,061 km (0.037 R)
• M6: 3,479,048 km (0.097 R)
• M7: 4,738,363 km (0.112 R)
• M8: 5,161,276 km (0.058 R)
• M9: 5,517,618 km (0.095 R)
• M10: 5,922,281 km (0.12 R)
• M11: 7,075,530 km (0.102 R)
• M12: 9,163,618 km (0.053 R)
• M13: 10,372,069 km (0.035 R)
• M14: 10,749,953 km (0.112 R)
• M15: 13,323,186 km (0.082 R)
• M16: 15,231,307 km (0.066 R)
• M17: 16,664,604 km (0.105 R)
• M18: 19,870,188 km (0.085 R)
• M19: 21,579,493 km (0.053 R)
• M20: 22,825,045 km (0.073 R)
• M21: 25,373,744 km (0.08 R)
• M22: 28,015,343 km (0.087 R)
• M23: 28,380,960 km (0.075 R)
• M24: 29,308,766 km (0.12 R)
• M25: 31,716,993 km (0.06 R)
• M26: 34,672,149 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.9

Radius: 14.7

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.81 AU - 9.43 AU

Year: 9386 Days

Day: 8.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,699,551 km

• M1: 186,399 km (0.056 R)
• M2: 877,092 km (0.072 R)
• M3: 2,035,728 km (0.075 R)
• M4: 3,801,731 km (0.108 R)
• M5: 4,498,707 km (0.086 R)
• M6: 5,906,573 km (0.084 R)
• M7: 9,436,185 km (0.073 R)
• M8: 10,463,473 km (0.074 R)
• M9: 12,339,880 km (0.101 R)
• M10: 15,200,640 km (0.112 R)
• M11: 17,528,233 km (0.1 R)
• M12: 19,694,111 km (0.11 R)
• M13: 21,949,448 km (0.059 R)
• M14: 23,487,314 km (0.097 R)
• M15: 24,282,726 km (0.105 R)
• M16: 26,114,702 km (0.105 R)
• M17: 26,586,833 km (0.055 R)
• M18: 33,253,961 km (0.114 R)
• M19: 35,051,379 km (0.068 R)
• M20: 37,388,248 km (0.036 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: 542 - 17,845 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit