🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.7 AU - 0.86 AU

Year: 291 Days

Day: 25.6 Hours

Environment

Temp: 0 °C

Axial Tilt: 38.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.2 AU - 1.68 AU

Year: 729 Days

Day: 37.2 Hours

Environment

Temp: -91 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.86 AU - 2.74 AU

Year: 1471 Days

Day: 23.1 Hours

Environment

Temp: -123 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,914,753 km

• M1: 42,635 km (0.115 R)

Asteroid Belt

Center: 2.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.8

Radius: 8.3

Gravity: 11.41 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.16 AU - 3.38 AU

Year: 2494 Days

Day: 13.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,914,753 km

• M1: 103,223 km (0.077 R)
• M2: 492,476 km (0.067 R)
• M3: 763,548 km (0.098 R)
• M4: 1,231,789 km (0.086 R)
• M5: 2,003,265 km (0.105 R)
• M6: 2,695,903 km (0.11 R)
• M7: 3,269,611 km (0.085 R)
• M8: 3,804,573 km (0.07 R)
• M9: 4,793,864 km (0.118 R)
• M10: 5,072,116 km (0.119 R)
• M11: 5,360,989 km (0.088 R)
• M12: 7,122,055 km (0.051 R)
• M13: 7,485,129 km (0.114 R)
• M14: 9,524,747 km (0.115 R)
• M15: 10,003,011 km (0.113 R)
• M16: 10,420,240 km (0.104 R)
• M17: 12,163,504 km (0.042 R)
• M18: 12,682,758 km (0.12 R)
• M19: 13,307,030 km (0.12 R)
• M20: 13,905,122 km (0.104 R)
• M21: 14,472,846 km (0.088 R)
• M22: 16,846,515 km (0.105 R)
• M23: 17,274,814 km (0.051 R)
• M24: 19,351,382 km (0.08 R)
• M25: 19,762,178 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361

Radius: 9.3

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.33 AU - 3.77 AU

Year: 2821 Days

Day: 11.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,914,753 km

• M1: 116,387 km (0.053 R)
• M2: 562,189 km (0.12 R)
• M3: 1,367,325 km (0.074 R)
• M4: 2,258,180 km (0.114 R)
• M5: 3,114,328 km (0.074 R)
• M6: 3,512,259 km (0.099 R)
• M7: 4,848,617 km (0.101 R)
• M8: 6,009,795 km (0.074 R)
• M9: 6,817,175 km (0.031 R)
• M10: 8,583,028 km (0.102 R)
• M11: 9,101,385 km (0.055 R)
• M12: 10,634,763 km (0.067 R)
• M13: 11,813,744 km (0.103 R)
• M14: 13,289,676 km (0.035 R)
• M15: 14,977,140 km (0.028 R)
• M16: 16,211,024 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438

Radius: 9.7

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.87 AU - 9.17 AU

Year: 8697 Days

Day: 8.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,914,753 km

• M1: 120,875 km (0.081 R)
• M2: 613,650 km (0.105 R)
• M3: 917,783 km (0.12 R)
• M4: 1,493,136 km (0.112 R)
• M5: 1,929,513 km (0.097 R)
• M6: 3,403,352 km (0.082 R)
• M7: 4,114,839 km (0.105 R)
• M8: 6,059,163 km (0.062 R)
• M9: 6,497,634 km (0.097 R)
• M10: 7,514,301 km (0.119 R)
• M11: 8,508,678 km (0.12 R)
• M12: 9,454,137 km (0.047 R)
• M13: 11,100,461 km (0.064 R)
• M14: 11,552,995 km (0.087 R)
• M15: 12,602,873 km (0.092 R)
• M16: 16,390,242 km (0.097 R)
• M17: 20,498,648 km (0.057 R)
• M18: 27,189,413 km (0.095 R)
• M19: 31,671,216 km (0.043 R)
• M20: 34,456,578 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.2

Radius: 13.9

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.11 AU - 9.59 AU

Year: 9276 Days

Day: 7.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,914,753 km

• M1: 172,935 km (0.09 R)
• M2: 1,217,727 km (0.1 R)
• M3: 1,702,274 km (0.052 R)
• M4: 2,479,585 km (0.087 R)
• M5: 6,796,231 km (0.084 R)
• M6: 9,907,418 km (0.117 R)
• M7: 11,425,837 km (0.114 R)
• M8: 16,773,063 km (0.069 R)
• M9: 18,187,062 km (0.12 R)
• M10: 18,626,431 km (0.089 R)
• M11: 20,771,365 km (0.102 R)
• M12: 21,494,521 km (0.049 R)
• M13: 26,006,393 km (0.107 R)
• M14: 27,416,951 km (0.1 R)
• M15: 28,680,006 km (0.073 R)
• M16: 33,353,294 km (0.094 R)
• M17: 37,676,074 km (0.107 R)
• M18: 39,115,206 km (0.086 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 19,972 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit