🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.47 AU - 0.63 AU

Year: 154 Days

Day: 38.7 Hours

Environment

Temp: 198 °C

Axial Tilt: 23.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.6 AU - 0.88 AU

Year: 240 Days

Day: 34.5 Hours

Environment

Temp: 171 °C

Axial Tilt: 67.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.98 AU - 1.12 AU

Year: 405 Days

Day: 31.2 Hours

Environment

Temp: 16 °C

Axial Tilt: 0.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.33 AU - 1.63 AU

Year: 678 Days

Day: 35.1 Hours

Environment

Temp: -42 °C

Axial Tilt: 44.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.35 AU - 1.81 AU

Year: 748 Days

Day: 36.8 Hours

Environment

Temp: -51 °C

Axial Tilt: 43.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.62 AU - 4 AU

Year: 2802 Days

Day: 40.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,257,026 km

• M1: 32,912 km (0.058 R)

Asteroid Belt

Center: 4.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.7

Radius: 15

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.32 AU - 5.44 AU

Year: 4061 Days

Day: 6.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,257,026 km

• M1: 196,123 km (0.093 R)
• M2: 772,972 km (0.062 R)
• M3: 1,372,112 km (0.096 R)
• M4: 2,199,687 km (0.077 R)
• M5: 2,760,679 km (0.119 R)
• M6: 3,234,755 km (0.118 R)
• M7: 4,241,548 km (0.085 R)
• M8: 4,926,258 km (0.12 R)
• M9: 5,737,078 km (0.085 R)
• M10: 7,026,612 km (0.075 R)
• M11: 7,497,097 km (0.115 R)
• M12: 9,747,199 km (0.061 R)
• M13: 12,103,665 km (0.115 R)
• M14: 13,390,805 km (0.077 R)
• M15: 13,920,979 km (0.119 R)
• M16: 16,236,904 km (0.116 R)
• M17: 16,951,384 km (0.119 R)
• M18: 17,515,218 km (0.113 R)
• M19: 18,091,469 km (0.046 R)
• M20: 18,740,125 km (0.117 R)
• M21: 21,425,407 km (0.044 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.5

Radius: 14.1

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 7.16 AU - 8.28 AU

Year: 8081 Days

Day: 8.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,257,026 km

• M1: 181,911 km (0.108 R)
• M2: 906,713 km (0.089 R)
• M3: 1,631,664 km (0.107 R)
• M4: 2,670,322 km (0.069 R)
• M5: 3,368,495 km (0.079 R)
• M6: 5,963,570 km (0.107 R)
• M7: 7,413,023 km (0.078 R)
• M8: 9,509,189 km (0.105 R)
• M9: 13,601,588 km (0.104 R)
• M10: 16,094,936 km (0.075 R)
• M11: 21,595,201 km (0.115 R)
• M12: 26,484,059 km (0.101 R)
• M13: 27,525,859 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512.6

Radius: 4.3

Gravity: 27.72 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 13.32 AU - 20.32 AU

Year: 25988 Days

Day: 24.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,257,026 km

• M1: 63,130 km (0.099 R)
• M2: 274,213 km (0.117 R)
• M3: 761,603 km (0.096 R)
• M4: 965,056 km (0.045 R)
• M5: 1,583,194 km (0.099 R)
• M6: 1,976,487 km (0.072 R)
• M7: 2,121,148 km (0.101 R)
• M8: 2,432,013 km (0.117 R)
• M9: 3,284,421 km (0.09 R)
• M10: 3,985,437 km (0.1 R)
• M11: 4,217,314 km (0.108 R)
• M12: 5,886,527 km (0.034 R)
• M13: 6,589,188 km (0.104 R)
• M14: 11,347,298 km (0.093 R)
• M15: 12,291,709 km (0.071 R)
• M16: 15,276,935 km (0.095 R)
• M17: 16,426,445 km (0.087 R)
• M18: 20,706,290 km (0.089 R)
• M19: 23,472,504 km (0.079 R)
• M20: 24,777,297 km (0.079 R)
• M21: 26,475,233 km (0.052 R)
• M22: 28,613,435 km (0.106 R)
• M23: 32,427,882 km (0.117 R)
• M24: 34,181,169 km (0.068 R)
• M25: 43,095,855 km (0.08 R)
• M26: 43,578,159 km (0.061 R)
• M27: 47,739,224 km (0.108 R)
• M28: 48,428,720 km (0.115 R)
• M29: 52,522,167 km (0.098 R)
• M30: 53,256,842 km (0.118 R)
• M31: 56,072,872 km (0.116 R)
• M32: 64,273,379 km (0.031 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 11,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit