🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.64 AU - 0.88 AU

Year: 232 Days

Day: 27.1 Hours

Environment

Temp: 185 °C

Axial Tilt: 10.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.69 AU - 1.13 AU

Year: 304 Days

Day: 29.2 Hours

Environment

Temp: 169 °C

Axial Tilt: 36 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 56,603,684 km

• M1: 13,613 km (0.043 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.92 AU - 1.38 AU

Year: 431 Days

Day: 19 Hours

Environment

Temp: 31 °C

Axial Tilt: 0.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.31 AU - 1.6 AU

Year: 611 Days

Day: 13.8 Hours

Environment

Temp: 16 °C

Axial Tilt: 36.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.48 AU - 1.6 AU

Year: 669 Days

Day: 31.1 Hours

Environment

Temp: -21 °C

Axial Tilt: 31.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.45 AU - 1.77 AU

Year: 715 Days

Day: 30.6 Hours

Environment

Temp: -24 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,603,684 km

• M1: 303,534 km (0.059 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.84 AU - 2.26 AU

Year: 1027 Days

Day: 29.7 Hours

Environment

Temp: -49 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.78 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 15.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.6

Radius: 3.4

Gravity: 43.82 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 15.04 AU - 15.97 AU

Year: 21349 Days

Day: 18.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,603,684 km

• M1: 43,084 km (0.11 R)
• M2: 169,494 km (0.118 R)
• M3: 454,179 km (0.118 R)
• M4: 1,849,030 km (0.068 R)
• M5: 3,043,269 km (0.11 R)
• M6: 4,109,304 km (0.073 R)
• M7: 4,778,455 km (0.037 R)
• M8: 6,119,151 km (0.111 R)
• M9: 6,988,165 km (0.118 R)
• M10: 7,886,800 km (0.063 R)
• M11: 13,204,555 km (0.05 R)
• M12: 14,944,528 km (0.026 R)
• M13: 19,315,927 km (0.068 R)
• M14: 20,226,380 km (0.09 R)
• M15: 21,548,526 km (0.042 R)
• M16: 27,300,714 km (0.058 R)
• M17: 36,817,532 km (0.105 R)
• M18: 44,935,909 km (0.118 R)
• M19: 47,340,396 km (0.086 R)
• M20: 47,831,376 km (0.117 R)
• M21: 62,798,942 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.5

Radius: 7.2

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 13.44 AU - 17.56 AU

Year: 21349 Days

Day: 17.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,603,684 km

• M1: 89,609 km (0.046 R)
• M2: 408,253 km (0.104 R)
• M3: 691,292 km (0.103 R)
• M4: 1,094,308 km (0.059 R)
• M5: 1,773,184 km (0.035 R)
• M6: 3,239,841 km (0.077 R)
• M7: 3,572,547 km (0.109 R)
• M8: 3,956,116 km (0.09 R)
• M9: 4,614,197 km (0.085 R)
• M10: 5,069,573 km (0.101 R)
• M11: 6,902,595 km (0.096 R)
• M12: 7,153,770 km (0.094 R)
• M13: 8,081,875 km (0.036 R)
• M14: 8,314,201 km (0.028 R)
• M15: 8,792,166 km (0.086 R)
• M16: 9,087,771 km (0.052 R)
• M17: 9,961,273 km (0.094 R)
• M18: 11,578,726 km (0.112 R)
• M19: 12,235,610 km (0.111 R)
• M20: 13,043,738 km (0.058 R)
• M21: 14,355,711 km (0.087 R)
• M22: 21,095,544 km (0.102 R)
• M23: 21,625,868 km (0.057 R)
• M24: 23,270,098 km (0.033 R)
• M25: 24,411,530 km (0.109 R)
• M26: 28,700,501 km (0.109 R)
• M27: 29,680,666 km (0.068 R)
• M28: 30,123,476 km (0.097 R)
• M29: 30,683,122 km (0.092 R)
• M30: 35,288,642 km (0.105 R)
• M31: 36,287,058 km (0.092 R)
• M32: 37,304,323 km (0.095 R)
• M33: 45,400,560 km (0.027 R)
• M34: 46,284,235 km (0.077 R)
• M35: 47,029,232 km (0.046 R)
• M36: 52,148,471 km (0.094 R)

Kuiper Belt

Range: 31.4 - 52.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 18,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit