🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.14 AU - 1.16 AU

Year: 446 Days

Day: 37.4 Hours

Environment

Temp: 29 °C

Axial Tilt: 20 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 31,574,944 km

• M1: 362,625 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.35 AU - 1.57 AU

Year: 638 Days

Day: 12.6 Hours

Environment

Temp: -30 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.82 AU - 2.06 AU

Year: 977 Days

Day: 23.4 Hours

Environment

Temp: -51 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 31,574,944 km

• M1: 33,510 km (0.103 R)
• M2: 485,295 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.67 AU - 2.99 AU

Year: 1722 Days

Day: 20.3 Hours

Environment

Temp: -103 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.55 AU - 5.13 AU

Year: 3851 Days

Day: 13.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 41.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,574,944 km

• M1: 367,113 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.7

Radius: 11.4

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 9.99 AU - 10.85 AU

Year: 12164 Days

Day: 14.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,574,944 km

• M1: 148,999 km (0.078 R)
• M2: 528,529 km (0.068 R)
• M3: 1,034,320 km (0.041 R)
• M4: 1,501,364 km (0.101 R)
• M5: 2,744,074 km (0.087 R)
• M6: 4,370,502 km (0.08 R)
• M7: 4,730,285 km (0.096 R)
• M8: 8,367,009 km (0.058 R)
• M9: 9,115,746 km (0.095 R)
• M10: 10,909,126 km (0.111 R)
• M11: 13,420,874 km (0.098 R)
• M12: 15,941,897 km (0.105 R)
• M13: 16,726,987 km (0.109 R)
• M14: 18,763,313 km (0.108 R)
• M15: 21,044,531 km (0.046 R)
• M16: 23,871,183 km (0.089 R)
• M17: 25,858,142 km (0.101 R)
• M18: 28,780,087 km (0.106 R)
• M19: 37,969,585 km (0.086 R)
• M20: 38,983,859 km (0.115 R)
• M21: 47,029,980 km (0.095 R)
• M22: 49,238,942 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.4

Radius: 6.7

Gravity: 16.85 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 12.22 AU - 19.08 AU

Year: 22390 Days

Day: 20.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,574,944 km

• M1: 83,625 km (0.068 R)
• M2: 411,095 km (0.03 R)
• M3: 1,182,721 km (0.096 R)
• M4: 1,471,445 km (0.117 R)
• M5: 2,280,171 km (0.113 R)
• M6: 2,705,926 km (0.1 R)
• M7: 2,937,953 km (0.047 R)
• M8: 3,239,542 km (0.075 R)
• M9: 5,146,915 km (0.112 R)
• M10: 7,348,547 km (0.082 R)
• M11: 8,491,026 km (0.108 R)
• M12: 11,188,574 km (0.085 R)
• M13: 15,606,499 km (0.112 R)
• M14: 22,919,890 km (0.073 R)
• M15: 38,007,733 km (0.06 R)
• M16: 46,960,716 km (0.068 R)
• M17: 58,007,771 km (0.118 R)
• M18: 63,708,048 km (0.102 R)
• M19: 68,220,369 km (0.109 R)
• M20: 68,881,891 km (0.085 R)
• M21: 84,286,133 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.5

Radius: 3.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 17.53 AU - 18.09 AU

Year: 27182 Days

Day: 22.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,574,944 km

• M1: 42,336 km (0.066 R)
• M2: 159,771 km (0.068 R)
• M3: 364,420 km (0.096 R)
• M4: 583,880 km (0.061 R)
• M5: 1,745,358 km (0.101 R)
• M6: 2,015,233 km (0.066 R)
• M7: 3,274,548 km (0.077 R)
• M8: 4,007,577 km (0.087 R)
• M9: 5,759,817 km (0.098 R)
• M10: 7,667,040 km (0.119 R)
• M11: 7,777,743 km (0.078 R)
• M12: 8,622,223 km (0.115 R)
• M13: 9,483,757 km (0.033 R)
• M14: 9,913,552 km (0.071 R)
• M15: 19,000,126 km (0.094 R)
• M16: 23,570,192 km (0.037 R)
• M17: 25,734,424 km (0.112 R)
• M18: 28,202,789 km (0.117 R)
• M19: 29,178,765 km (0.041 R)
• M20: 31,198,038 km (0.103 R)

Kuiper Belt

Range: 30.3 - 59.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 13,277 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit