🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.49 AU - 0.67 AU

Year: 168 Days

Day: 17.5 Hours

Environment

Temp: 119 °C

Axial Tilt: 1.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.73 AU - 0.97 AU

Year: 298 Days

Day: 14.9 Hours

Environment

Temp: 39 °C

Axial Tilt: 35.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.99 AU - 1.41 AU

Year: 501 Days

Day: 24.4 Hours

Environment

Temp: -28 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 42,676,670 km

• M1: 439,070 km (0.074 R)
• M2: 753,973 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.5 AU - 2.62 AU

Year: 1560 Days

Day: 19.5 Hours

Environment

Temp: -100 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,676,670 km

• M1: 889,808 km (0.041 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.66 AU - 4.16 AU

Year: 2398 Days

Day: 43.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 45.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,676,670 km

• M1: 774,169 km (0.073 R)

Asteroid Belt

Center: 3.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378

Radius: 14.3

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.72 AU - 4.64 AU

Year: 3254 Days

Day: 12.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,676,670 km

• M1: 178,321 km (0.083 R)
• M2: 650,751 km (0.098 R)
• M3: 1,126,322 km (0.082 R)
• M4: 1,652,907 km (0.111 R)
• M5: 2,536,432 km (0.086 R)
• M6: 3,361,614 km (0.039 R)
• M7: 4,019,695 km (0.1 R)
• M8: 4,806,580 km (0.031 R)
• M9: 5,378,791 km (0.053 R)
• M10: 6,335,919 km (0.036 R)
• M11: 7,025,714 km (0.116 R)
• M12: 9,123,974 km (0.069 R)
• M13: 9,788,637 km (0.052 R)
• M14: 11,492,108 km (0.104 R)
• M15: 11,937,012 km (0.101 R)
• M16: 12,647,453 km (0.094 R)
• M17: 17,677,532 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.2

Radius: 12.9

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.74 AU - 7.4 AU

Year: 6413 Days

Day: 8.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,676,670 km

• M1: 160,519 km (0.082 R)
• M2: 855,999 km (0.076 R)
• M3: 1,366,726 km (0.098 R)
• M4: 2,600,609 km (0.081 R)
• M5: 3,032,498 km (0.093 R)
• M6: 3,996,956 km (0.108 R)
• M7: 4,703,955 km (0.074 R)
• M8: 5,128,813 km (0.112 R)
• M9: 5,964,916 km (0.096 R)
• M10: 6,923,389 km (0.118 R)
• M11: 7,617,673 km (0.107 R)
• M12: 8,130,943 km (0.092 R)
• M13: 8,785,285 km (0.029 R)
• M14: 9,896,498 km (0.077 R)
• M15: 10,375,211 km (0.044 R)
• M16: 11,616,275 km (0.118 R)
• M17: 13,847,377 km (0.086 R)
• M18: 14,558,117 km (0.116 R)
• M19: 17,457,324 km (0.104 R)
• M20: 18,678,641 km (0.115 R)
• M21: 20,162,951 km (0.083 R)
• M22: 22,684,572 km (0.098 R)
• M23: 24,451,922 km (0.094 R)
• M24: 26,475,233 km (0.116 R)
• M25: 28,607,750 km (0.113 R)
• M26: 29,136,280 km (0.109 R)
• M27: 29,941,116 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293

Radius: 8.3

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 9.15 AU - 11.73 AU

Year: 12845 Days

Day: 14.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,676,670 km

• M1: 112,348 km (0.097 R)
• M2: 381,624 km (0.109 R)
• M3: 760,406 km (0.095 R)
• M4: 1,944,174 km (0.041 R)
• M5: 2,910,427 km (0.113 R)
• M6: 3,680,556 km (0.05 R)
• M7: 4,811,516 km (0.064 R)
• M8: 5,081,391 km (0.109 R)
• M9: 6,298,968 km (0.034 R)
• M10: 7,342,114 km (0.066 R)
• M11: 7,863,762 km (0.092 R)
• M12: 8,239,103 km (0.109 R)
• M13: 8,936,079 km (0.078 R)
• M14: 12,510,571 km (0.116 R)
• M15: 16,326,962 km (0.102 R)
• M16: 19,238,137 km (0.103 R)
• M17: 20,462,296 km (0.112 R)
• M18: 22,812,329 km (0.116 R)
• M19: 23,835,429 km (0.118 R)
• M20: 24,183,094 km (0.084 R)
• M21: 26,806,293 km (0.027 R)
• M22: 29,713,279 km (0.065 R)
• M23: 31,242,767 km (0.069 R)
• M24: 35,690,162 km (0.099 R)
• M25: 38,123,671 km (0.087 R)
• M26: 39,806,198 km (0.045 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 19,707 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit