🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.41 AU - 0.63 AU

Year: 135 Days

Day: 22.1 Hours

Environment

Temp: 176 °C

Axial Tilt: 40 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.98 AU - 1.18 AU

Year: 404 Days

Day: 32.3 Hours

Environment

Temp: 35 °C

Axial Tilt: 44 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.43 AU - 1.67 AU

Year: 694 Days

Day: 32.8 Hours

Environment

Temp: -30 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.66 AU - 2.42 AU

Year: 1049 Days

Day: 28.5 Hours

Environment

Temp: -63 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.71 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.9

Radius: 8.4

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.22 AU - 5.52 AU

Year: 4479 Days

Day: 14.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 103,173,995 km

• M1: 107,860 km (0.094 R)
• M2: 1,197,531 km (0.027 R)
• M3: 1,753,586 km (0.052 R)
• M4: 3,814,596 km (0.093 R)
• M5: 4,249,028 km (0.09 R)
• M6: 5,321,196 km (0.098 R)
• M7: 6,624,643 km (0.07 R)
• M8: 7,253,253 km (0.112 R)
• M9: 7,515,498 km (0.092 R)
• M10: 8,849,462 km (0.097 R)
• M11: 10,089,479 km (0.1 R)
• M12: 12,024,228 km (0.056 R)
• M13: 12,815,451 km (0.101 R)
• M14: 15,130,478 km (0.078 R)
• M15: 18,551,034 km (0.116 R)
• M16: 21,837,100 km (0.1 R)
• M17: 22,247,597 km (0.116 R)
• M18: 23,083,999 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.5

Radius: 9.6

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 9.25 AU - 11.91 AU

Year: 12385 Days

Day: 11.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 103,173,995 km

• M1: 119,379 km (0.109 R)
• M2: 461,659 km (0.12 R)
• M3: 1,456,036 km (0.061 R)
• M4: 2,066,096 km (0.086 R)
• M5: 2,651,772 km (0.095 R)
• M6: 3,630,740 km (0.082 R)
• M7: 6,384,837 km (0.116 R)
• M8: 6,898,257 km (0.106 R)
• M9: 7,475,854 km (0.114 R)
• M10: 8,564,029 km (0.048 R)
• M11: 10,023,506 km (0.118 R)
• M12: 11,052,141 km (0.062 R)
• M13: 15,450,019 km (0.058 R)
• M14: 17,469,291 km (0.092 R)
• M15: 20,671,284 km (0.059 R)
• M16: 23,355,519 km (0.098 R)
• M17: 25,663,664 km (0.08 R)
• M18: 29,033,955 km (0.1 R)
• M19: 29,498,307 km (0.11 R)
• M20: 31,017,623 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.5

Radius: 5.6

Gravity: 30.69 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 16.89 AU - 18.37 AU

Year: 26641 Days

Day: 24.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 103,173,995 km

• M1: 78,389 km (0.091 R)
• M2: 296,204 km (0.03 R)
• M3: 492,027 km (0.098 R)
• M4: 788,082 km (0.027 R)
• M5: 1,661,434 km (0.087 R)
• M6: 2,431,414 km (0.112 R)
• M7: 4,800,296 km (0.093 R)
• M8: 5,124,625 km (0.093 R)
• M9: 5,594,212 km (0.109 R)
• M10: 7,654,025 km (0.043 R)
• M11: 10,040,111 km (0.086 R)
• M12: 10,236,833 km (0.106 R)
• M13: 10,706,121 km (0.096 R)
• M14: 10,911,519 km (0.116 R)
• M15: 15,681,597 km (0.06 R)
• M16: 19,365,594 km (0.045 R)
• M17: 24,523,579 km (0.061 R)
• M18: 28,254,251 km (0.099 R)
• M19: 30,390,508 km (0.091 R)
• M20: 31,218,682 km (0.08 R)
• M21: 32,203,784 km (0.075 R)
• M22: 34,981,667 km (0.109 R)
• M23: 36,197,748 km (0.091 R)
• M24: 37,599,031 km (0.057 R)
• M25: 38,392,947 km (0.096 R)
• M26: 53,057,278 km (0.082 R)
• M27: 57,335,030 km (0.102 R)
• M28: 58,386,403 km (0.11 R)
• M29: 66,800,236 km (0.073 R)
• M30: 71,536,804 km (0.11 R)
• M31: 80,880,538 km (0.118 R)
• M32: 82,468,519 km (0.094 R)
• M33: 83,538,593 km (0.086 R)
• M34: 91,861,021 km (0.078 R)
• M35: 92,147,651 km (0.097 R)
• M36: 97,705,960 km (0.03 R)

Kuiper Belt

Range: 30.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 12,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit