🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.43 AU - 0.71 AU

Year: 153 Days

Day: 29 Hours

Environment

Temp: 178 °C

Axial Tilt: 35.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.73 AU - 1.21 AU

Year: 341 Days

Day: 18.3 Hours

Environment

Temp: 107 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.03 AU - 1.47 AU

Year: 498 Days

Day: 45.8 Hours

Environment

Temp: 8 °C

Axial Tilt: 4.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.31 AU - 2.13 AU

Year: 804 Days

Day: 31.1 Hours

Environment

Temp: -32 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,957,935 km

• M1: 39,494 km (0.084 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.26 AU - 2.42 AU

Year: 1276 Days

Day: 38.8 Hours

Environment

Temp: -71 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 58,957,935 km

• M1: 327,470 km (0.061 R)
• M2: 470,186 km (0.072 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.44 AU - 3.06 AU

Year: 1626 Days

Day: 41.4 Hours

Environment

Temp: -95 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.1

Radius: 11.7

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.12 AU - 7.52 AU

Year: 5663 Days

Day: 6.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 109.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,957,935 km

• M1: 146,456 km (0.112 R)
• M2: 720,613 km (0.112 R)
• M3: 1,497,475 km (0.105 R)
• M4: 2,264,313 km (0.076 R)
• M5: 2,634,568 km (0.065 R)
• M6: 3,179,254 km (0.083 R)
• M7: 3,819,982 km (0.112 R)
• M8: 4,471,181 km (0.119 R)
• M9: 4,849,664 km (0.086 R)
• M10: 6,025,503 km (0.083 R)
• M11: 6,745,368 km (0.1 R)
• M12: 9,292,870 km (0.114 R)
• M13: 9,702,918 km (0.057 R)
• M14: 11,890,488 km (0.115 R)
• M15: 13,023,243 km (0.068 R)
• M16: 15,388,535 km (0.066 R)
• M17: 15,789,606 km (0.118 R)
• M18: 16,256,651 km (0.047 R)
• M19: 17,035,009 km (0.075 R)
• M20: 18,537,420 km (0.108 R)
• M21: 18,926,375 km (0.095 R)
• M22: 23,573,184 km (0.107 R)
• M23: 25,595,896 km (0.082 R)
• M24: 27,145,282 km (0.119 R)
• M25: 28,669,983 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.5

Radius: 11.9

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 7.43 AU - 9.63 AU

Year: 8880 Days

Day: 13.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,957,935 km

• M1: 147,952 km (0.059 R)
• M2: 729,589 km (0.09 R)
• M3: 1,507,348 km (0.114 R)
• M4: 2,118,007 km (0.057 R)
• M5: 2,962,337 km (0.066 R)
• M6: 5,366,824 km (0.109 R)
• M7: 6,996,393 km (0.078 R)
• M8: 16,621,221 km (0.092 R)
• M9: 19,958,002 km (0.039 R)
• M10: 22,662,432 km (0.073 R)
• M11: 23,564,806 km (0.051 R)
• M12: 23,947,926 km (0.043 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.1

Radius: 3.5

Gravity: 15.68 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 13.1 AU - 21.6 AU

Year: 25760 Days

Day: 16.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,957,935 km

• M1: 50,414 km (0.114 R)
• M2: 182,061 km (0.112 R)
• M3: 312,959 km (0.048 R)
• M4: 507,735 km (0.119 R)
• M5: 723,605 km (0.075 R)
• M6: 931,247 km (0.083 R)
• M7: 1,164,919 km (0.088 R)
• M8: 1,421,778 km (0.117 R)
• M9: 2,238,732 km (0.111 R)
• M10: 2,838,320 km (0.119 R)
• M11: 2,955,755 km (0.038 R)
• M12: 4,598,190 km (0.119 R)
• M13: 5,376,398 km (0.104 R)
• M14: 6,043,754 km (0.117 R)
• M15: 6,681,938 km (0.082 R)
• M16: 8,814,456 km (0.081 R)
• M17: 10,334,520 km (0.041 R)
• M18: 10,726,018 km (0.066 R)
• M19: 11,127,239 km (0.097 R)
• M20: 12,642,217 km (0.067 R)
• M21: 12,896,683 km (0.099 R)
• M22: 13,154,590 km (0.094 R)
• M23: 15,199,742 km (0.099 R)
• M24: 19,481,682 km (0.038 R)
• M25: 21,941,669 km (0.09 R)
• M26: 22,494,583 km (0.111 R)
• M27: 24,699,805 km (0.114 R)
• M28: 24,898,022 km (0.043 R)
• M29: 34,219,466 km (0.106 R)
• M30: 53,481,239 km (0.09 R)
• M31: 57,729,370 km (0.111 R)

Kuiper Belt

Range: 30.8 - 46.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 11,247 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit