🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.47 AU - 0.59 AU

Year: 141 Days

Day: 23.1 Hours

Environment

Temp: 221 °C

Axial Tilt: 46.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,955,682 km

• M1: 69,862 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.51 AU - 0.57 AU

Year: 145 Days

Day: 21.3 Hours

Environment

Temp: 171 °C

Axial Tilt: 45.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.83 AU - 0.89 AU

Year: 291 Days

Day: 30.4 Hours

Environment

Temp: 121 °C

Axial Tilt: 28.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,955,682 km

• M1: 39,195 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.01 AU - 1.41 AU

Year: 486 Days

Day: 25.5 Hours

Environment

Temp: 5 °C

Axial Tilt: 16.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.61 AU - 2.27 AU

Year: 987 Days

Day: 24.1 Hours

Environment

Temp: -72 °C

Axial Tilt: 49.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.53 AU - 2.93 AU

Year: 1648 Days

Day: 24.8 Hours

Environment

Temp: -95 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,955,682 km

• M1: 291,566 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.4

Radius: 12.8

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.44 AU - 6.94 AU

Year: 5625 Days

Day: 6.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,955,682 km

• M1: 159,172 km (0.092 R)
• M2: 594,801 km (0.118 R)
• M3: 1,145,770 km (0.087 R)
• M4: 1,591,123 km (0.092 R)
• M5: 2,278,226 km (0.109 R)
• M6: 2,699,942 km (0.074 R)
• M7: 3,246,423 km (0.101 R)
• M8: 3,664,250 km (0.077 R)
• M9: 4,075,345 km (0.06 R)
• M10: 4,633,046 km (0.089 R)
• M11: 5,090,516 km (0.095 R)
• M12: 6,068,886 km (0.086 R)
• M13: 7,749,918 km (0.112 R)
• M14: 8,933,686 km (0.106 R)
• M15: 10,154,554 km (0.09 R)
• M16: 11,183,488 km (0.115 R)
• M17: 13,400,528 km (0.073 R)
• M18: 15,206,025 km (0.103 R)
• M19: 15,950,275 km (0.08 R)
• M20: 17,975,830 km (0.108 R)
• M21: 20,104,458 km (0.119 R)
• M22: 20,742,194 km (0.054 R)
• M23: 23,359,857 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382

Radius: 10.9

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.18 AU - 8.34 AU

Year: 6420 Days

Day: 12.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 122.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,955,682 km

• M1: 135,835 km (0.073 R)
• M2: 477,367 km (0.065 R)
• M3: 1,367,175 km (0.03 R)
• M4: 2,239,480 km (0.106 R)
• M5: 2,728,366 km (0.093 R)
• M6: 5,378,642 km (0.11 R)
• M7: 5,749,645 km (0.083 R)
• M8: 8,087,560 km (0.061 R)
• M9: 11,692,570 km (0.102 R)
• M10: 12,415,576 km (0.025 R)
• M11: 12,813,357 km (0.084 R)
• M12: 13,168,203 km (0.071 R)
• M13: 15,267,659 km (0.029 R)
• M14: 15,898,215 km (0.067 R)
• M15: 16,308,262 km (0.118 R)
• M16: 16,846,067 km (0.093 R)
• M17: 17,831,169 km (0.08 R)
• M18: 18,594,866 km (0.115 R)
• M19: 20,324,367 km (0.092 R)
• M20: 21,797,607 km (0.115 R)
• M21: 22,967,013 km (0.097 R)
• M22: 23,340,858 km (0.084 R)
• M23: 28,578,579 km (0.066 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.6

Radius: 12

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.54 AU - 9.42 AU

Year: 8234 Days

Day: 5.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,955,682 km

• M1: 149,448 km (0.039 R)
• M2: 547,528 km (0.102 R)
• M3: 1,158,336 km (0.062 R)
• M4: 1,706,912 km (0.07 R)
• M5: 3,710,476 km (0.078 R)
• M6: 4,573,357 km (0.098 R)
• M7: 5,250,586 km (0.118 R)
• M8: 8,014,407 km (0.12 R)
• M9: 11,211,612 km (0.071 R)
• M10: 12,223,193 km (0.094 R)
• M11: 14,002,809 km (0.12 R)
• M12: 15,430,572 km (0.112 R)
• M13: 16,345,961 km (0.097 R)
• M14: 24,928,092 km (0.104 R)
• M15: 28,348,796 km (0.046 R)
• M16: 30,626,125 km (0.107 R)
• M17: 33,776,506 km (0.11 R)
• M18: 35,767,205 km (0.04 R)
• M19: 37,834,797 km (0.057 R)
• M20: 39,859,605 km (0.031 R)
• M21: 41,207,631 km (0.105 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 13,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit