🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.91 AU - 1.13 AU

Year: 394 Days

Day: 17.1 Hours

Environment

Temp: -5 °C

Axial Tilt: 72.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.82 AU - 1.3 AU

Year: 418 Days

Day: 22.3 Hours

Environment

Temp: 10 °C

Axial Tilt: 36.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 83,301,225 km

• M1: 37,250 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.79 AU - 1.89 AU

Year: 956 Days

Day: 19.1 Hours

Environment

Temp: -79 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.12 AU - 2.18 AU

Year: 1207 Days

Day: 39.2 Hours

Environment

Temp: -81 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,301,225 km

• M1: 310,116 km (0.079 R)

Asteroid Belt

Center: 4.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.8

Radius: 9.7

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.85 AU - 9.69 AU

Year: 8293 Days

Day: 7.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 83,301,225 km

• M1: 120,725 km (0.066 R)
• M2: 556,803 km (0.109 R)
• M3: 1,453,493 km (0.101 R)
• M4: 2,624,994 km (0.091 R)
• M5: 2,950,519 km (0.091 R)
• M6: 3,465,883 km (0.087 R)
• M7: 4,476,417 km (0.104 R)
• M8: 4,853,703 km (0.083 R)
• M9: 6,045,549 km (0.108 R)
• M10: 7,031,100 km (0.115 R)
• M11: 7,462,091 km (0.065 R)
• M12: 8,333,798 km (0.084 R)
• M13: 8,639,127 km (0.083 R)
• M14: 10,130,917 km (0.041 R)
• M15: 10,579,861 km (0.113 R)
• M16: 13,026,534 km (0.067 R)
• M17: 15,173,562 km (0.101 R)
• M18: 16,297,042 km (0.103 R)
• M19: 16,637,826 km (0.071 R)
• M20: 17,053,110 km (0.109 R)
• M21: 21,349,860 km (0.118 R)
• M22: 22,005,548 km (0.051 R)
• M23: 22,422,178 km (0.05 R)
• M24: 27,262,866 km (0.034 R)
• M25: 27,743,524 km (0.026 R)
• M26: 33,960,961 km (0.049 R)
• M27: 36,571,593 km (0.091 R)
• M28: 38,344,627 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.6

Radius: 10.5

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.23 AU - 9.93 AU

Year: 8794 Days

Day: 9.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,301,225 km

• M1: 130,599 km (0.116 R)
• M2: 805,734 km (0.095 R)
• M3: 1,901,389 km (0.112 R)
• M4: 3,744,136 km (0.095 R)
• M5: 4,620,779 km (0.098 R)
• M6: 6,889,281 km (0.111 R)
• M7: 12,202,100 km (0.042 R)
• M8: 13,134,693 km (0.083 R)
• M9: 16,167,790 km (0.116 R)
• M10: 17,980,766 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.6

Radius: 12

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.86 AU - 10.46 AU

Year: 9758 Days

Day: 9.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,301,225 km

• M1: 149,299 km (0.087 R)
• M2: 943,215 km (0.089 R)
• M3: 1,885,083 km (0.116 R)
• M4: 3,686,092 km (0.062 R)
• M5: 4,417,326 km (0.051 R)
• M6: 6,915,162 km (0.081 R)
• M7: 9,693,792 km (0.082 R)
• M8: 10,941,289 km (0.109 R)
• M9: 11,779,935 km (0.108 R)
• M10: 12,874,542 km (0.084 R)
• M11: 15,507,614 km (0.091 R)
• M12: 16,757,505 km (0.098 R)
• M13: 19,244,868 km (0.118 R)
• M14: 24,856,883 km (0.117 R)
• M15: 30,122,429 km (0.092 R)
• M16: 32,762,831 km (0.118 R)
• M17: 34,606,475 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.3

Radius: 6.6

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 15.99 AU - 17.63 AU

Year: 26389 Days

Day: 17.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,301,225 km

• M1: 82,129 km (0.06 R)
• M2: 315,352 km (0.115 R)
• M3: 600,486 km (0.065 R)
• M4: 2,466,570 km (0.109 R)
• M5: 2,733,003 km (0.046 R)
• M6: 3,410,981 km (0.117 R)
• M7: 3,711,673 km (0.089 R)
• M8: 6,029,991 km (0.069 R)
• M9: 13,113,450 km (0.066 R)
• M10: 14,231,993 km (0.108 R)
• M11: 14,618,554 km (0.109 R)
• M12: 15,820,424 km (0.068 R)
• M13: 17,700,270 km (0.102 R)
• M14: 19,724,180 km (0.091 R)
• M15: 21,592,209 km (0.111 R)
• M16: 23,467,568 km (0.079 R)
• M17: 27,539,322 km (0.115 R)
• M18: 29,993,176 km (0.108 R)
• M19: 53,569,950 km (0.103 R)
• M20: 57,375,571 km (0.106 R)
• M21: 58,354,389 km (0.095 R)
• M22: 60,144,178 km (0.067 R)
• M23: 67,887,364 km (0.073 R)
• M24: 70,534,648 km (0.057 R)
• M25: 70,982,394 km (0.076 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 10,298 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit