🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.52 AU - 0.72 AU

Year: 180 Days

Day: 12.8 Hours

Environment

Temp: 146 °C

Axial Tilt: 118.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 26,621,426 km

• M1: 412,741 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.52 AU - 0.82 AU

Year: 202 Days

Day: 23.3 Hours

Environment

Temp: 119 °C

Axial Tilt: 27.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 26,621,426 km

• M1: 409,599 km (0.062 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.78 AU - 0.96 AU

Year: 299 Days

Day: 29.3 Hours

Environment

Temp: 139 °C

Axial Tilt: 72.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.79 AU - 1.27 AU

Year: 386 Days

Day: 13.4 Hours

Environment

Temp: 32 °C

Axial Tilt: 21.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.23 AU - 1.69 AU

Year: 651 Days

Day: 27.9 Hours

Environment

Temp: -30 °C

Axial Tilt: 43.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,621,426 km

• M1: 477,367 km (0.082 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.31 AU - 1.99 AU

Year: 782 Days

Day: 27.8 Hours

Environment

Temp: -46 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,621,426 km

• M1: 1,066,334 km (0.1 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.79 AU - 1.89 AU

Year: 921 Days

Day: 39.6 Hours

Environment

Temp: -72 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.9

Radius: 8.2

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.28 AU - 7.6 AU

Year: 6746 Days

Day: 5.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 26,621,426 km

• M1: 106,364 km (0.098 R)
• M2: 246,687 km (0.105 R)
• M3: 491,728 km (0.052 R)
• M4: 551,567 km (0.049 R)
• M5: 713,283 km (0.099 R)
• M6: 965,953 km (0.115 R)
• M7: 1,273,975 km (0.117 R)
• M8: 1,373,757 km (0.038 R)
• M9: 1,895,555 km (0.066 R)
• M10: 1,977,235 km (0.079 R)
• M11: 2,263,715 km (0.103 R)
• M12: 2,745,719 km (0.059 R)
• M13: 2,819,920 km (0.11 R)
• M14: 2,894,719 km (0.032 R)
• M15: 2,970,116 km (0.079 R)
• M16: 3,181,049 km (0.1 R)
• M17: 3,239,542 km (0.108 R)
• M18: 3,337,678 km (0.078 R)
• M19: 3,516,896 km (0.071 R)
• M20: 4,010,121 km (0.036 R)
• M21: 4,073,400 km (0.099 R)
• M22: 4,158,073 km (0.115 R)
• M23: 4,243,493 km (0.053 R)
• M24: 4,329,512 km (0.094 R)
• M25: 4,394,437 km (0.069 R)
• M26: 4,569,018 km (0.098 R)
• M27: 4,634,991 km (0.026 R)
• M28: 4,880,032 km (0.081 R)
• M29: 5,830,128 km (0.073 R)
• M30: 5,998,127 km (0.108 R)
• M31: 6,363,145 km (0.082 R)
• M32: 6,685,529 km (0.085 R)
• M33: 6,785,759 km (0.094 R)
• M34: 7,631,885 km (0.115 R)
• M35: 7,815,591 km (0.087 R)
• M36: 8,646,907 km (0.031 R)
• M37: 9,449,948 km (0.054 R)
• M38: 9,534,321 km (0.04 R)
• M39: 9,988,799 km (0.101 R)
• M40: 10,046,095 km (0.118 R)
• M41: 10,305,498 km (0.07 R)
• M42: 10,392,414 km (0.039 R)
• M43: 10,450,458 km (0.1 R)
• M44: 10,566,995 km (0.091 R)
• M45: 10,683,831 km (0.11 R)
• M46: 11,876,725 km (0.119 R)
• M47: 12,120,270 km (0.105 R)
• M48: 12,488,729 km (0.082 R)
• M49: 12,892,195 km (0.068 R)
• M50: 13,711,842 km (0.111 R)
• M51: 13,935,341 km (0.092 R)
• M52: 14,743,469 km (0.071 R)
• M53: 15,071,088 km (0.095 R)
• M54: 15,600,216 km (0.12 R)
• M55: 16,135,327 km (0.104 R)
• M56: 16,472,820 km (0.116 R)
• M57: 16,574,546 km (0.05 R)
• M58: 16,676,423 km (0.113 R)
• M59: 17,154,837 km (0.104 R)
• M60: 17,430,246 km (0.111 R)
• M61: 17,533,918 km (0.108 R)
• M62: 17,811,422 km (0.043 R)
• M63: 18,370,619 km (0.054 R)
• M64: 18,581,851 km (0.092 R)
• M65: 19,077,768 km (0.081 R)
• M66: 19,398,805 km (0.059 R)
• M67: 20,409,338 km (0.089 R)
• M68: 20,518,545 km (0.08 R)
• M69: 21,104,669 km (0.098 R)
• M70: 21,510,827 km (0.099 R)
• M71: 21,882,279 km (0.042 R)
• M72: 22,181,026 km (0.049 R)
• M73: 22,330,773 km (0.093 R)
• M74: 22,820,258 km (0.093 R)
• M75: 23,047,198 km (0.094 R)
• M76: 23,847,845 km (0.092 R)
• M77: 24,001,333 km (0.11 R)
• M78: 25,358,784 km (0.066 R)
• M79: 25,672,491 km (0.101 R)
• M80: 26,422,724 km (0.118 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: 335 - 14,230 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit