🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.43 AU - 0.61 AU

Year: 157 Days

Day: 19.7 Hours

Environment

Temp: 156 °C

Axial Tilt: 8.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.61 AU - 0.65 AU

Year: 210 Days

Day: 20.1 Hours

Environment

Temp: 34 °C

Axial Tilt: 7.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 44,032,675 km

• M1: 56,249 km (0.068 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.62 AU - 0.92 AU

Year: 283 Days

Day: 34 Hours

Environment

Temp: -5 °C

Axial Tilt: 8.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.64 AU - 1 AU

Year: 311 Days

Day: 38.6 Hours

Environment

Temp: -6 °C

Axial Tilt: 49.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 44,032,675 km

• M1: 84,822 km (0.088 R)

Planet 5 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.79 AU - 0.91 AU

Year: 328 Days

Day: 14.2 Hours

Environment

Temp: -15 °C

Axial Tilt: 38 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.98 AU - 2.14 AU

Year: 1239 Days

Day: 34.3 Hours

Environment

Temp: -110 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.4

Radius: 14

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.01 AU - 6.15 AU

Year: 4797 Days

Day: 15 Hours

Environment

Temp: -172 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,032,675 km

• M1: 174,431 km (0.111 R)
• M2: 615,296 km (0.1 R)
• M3: 1,315,115 km (0.119 R)
• M4: 2,145,682 km (0.079 R)
• M5: 2,664,188 km (0.114 R)
• M6: 3,343,363 km (0.094 R)
• M7: 4,387,706 km (0.098 R)
• M8: 5,312,669 km (0.095 R)
• M9: 6,184,526 km (0.097 R)
• M10: 6,733,400 km (0.033 R)
• M11: 9,458,924 km (0.073 R)
• M12: 10,441,333 km (0.105 R)
• M13: 11,717,852 km (0.077 R)
• M14: 12,705,347 km (0.107 R)
• M15: 13,444,361 km (0.09 R)
• M16: 14,792,836 km (0.093 R)
• M17: 17,041,142 km (0.093 R)
• M18: 20,029,509 km (0.103 R)
• M19: 21,167,052 km (0.096 R)
• M20: 22,206,158 km (0.065 R)
• M21: 23,061,709 km (0.097 R)
• M22: 25,373,594 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.1

Radius: 8.5

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.26 AU - 6.34 AU

Year: 6625 Days

Day: 6.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,032,675 km

• M1: 105,766 km (0.118 R)
• M2: 537,954 km (0.117 R)
• M3: 1,113,457 km (0.074 R)
• M4: 2,085,694 km (0.092 R)
• M5: 2,862,854 km (0.108 R)
• M6: 4,669,398 km (0.065 R)
• M7: 5,182,369 km (0.077 R)
• M8: 5,859,749 km (0.103 R)
• M9: 6,594,873 km (0.078 R)
• M10: 8,247,779 km (0.081 R)
• M11: 11,621,959 km (0.043 R)
• M12: 14,658,198 km (0.06 R)
• M13: 15,508,063 km (0.092 R)
• M14: 16,134,878 km (0.067 R)
• M15: 17,372,352 km (0.111 R)
• M16: 19,815,734 km (0.064 R)
• M17: 23,363,447 km (0.116 R)
• M18: 24,103,807 km (0.111 R)
• M19: 25,979,615 km (0.105 R)
• M20: 28,227,024 km (0.03 R)
• M21: 28,785,173 km (0.046 R)
• M22: 29,445,498 km (0.096 R)
• M23: 31,986,867 km (0.107 R)
• M24: 33,517,852 km (0.059 R)
• M25: 33,829,763 km (0.112 R)
• M26: 34,248,637 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.4

Radius: 10.2

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.86 AU - 9.94 AU

Year: 10200 Days

Day: 12.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,032,675 km

• M1: 127,757 km (0.094 R)
• M2: 607,218 km (0.046 R)
• M3: 1,090,718 km (0.119 R)
• M4: 1,473,240 km (0.061 R)
• M5: 1,914,105 km (0.101 R)
• M6: 2,297,225 km (0.028 R)
• M7: 3,841,524 km (0.053 R)
• M8: 5,166,811 km (0.039 R)
• M9: 5,848,828 km (0.068 R)
• M10: 6,371,822 km (0.098 R)
• M11: 10,289,940 km (0.08 R)
• M12: 11,157,757 km (0.084 R)
• M13: 12,352,147 km (0.105 R)
• M14: 14,425,274 km (0.119 R)
• M15: 16,310,656 km (0.054 R)
• M16: 18,208,604 km (0.06 R)
• M17: 29,945,604 km (0.097 R)
• M18: 31,498,280 km (0.043 R)
• M19: 33,322,178 km (0.102 R)
• M20: 36,130,728 km (0.116 R)
• M21: 42,857,845 km (0.091 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 20,002 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit