🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.61 AU - 0.81 AU

Year: 222 Days

Day: 40.6 Hours

Environment

Temp: 120 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.04 AU - 1.6 AU

Year: 562 Days

Day: 39.1 Hours

Environment

Temp: -19 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.78 AU - 2.48 AU

Year: 1153 Days

Day: 22.8 Hours

Environment

Temp: -69 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.23 AU - 3.03 AU

Year: 1582 Days

Day: 40.1 Hours

Environment

Temp: -87 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.6 AU - 2.7 AU

Year: 1600 Days

Day: 37 Hours

Environment

Temp: -91 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.98 AU - 3.36 AU

Year: 2093 Days

Day: 45.7 Hours

Environment

Temp: -108 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.32 AU - 3.88 AU

Year: 2533 Days

Day: 42.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 46.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 27,161,565 km

• M1: 783,145 km (0.064 R)
• M2: 3,106,549 km (0.113 R)

Asteroid Belt

Center: 4.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.6

Radius: 13.8

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.36 AU - 5.14 AU

Year: 3839 Days

Day: 10.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 27,161,565 km

• M1: 176,077 km (0.053 R)
• M2: 437,873 km (0.114 R)
• M3: 782,397 km (0.027 R)
• M4: 1,025,045 km (0.06 R)
• M5: 1,156,242 km (0.094 R)
• M6: 1,570,329 km (0.056 R)
• M7: 1,771,089 km (0.102 R)
• M8: 1,882,839 km (0.107 R)
• M9: 2,063,403 km (0.076 R)
• M10: 2,249,952 km (0.107 R)
• M11: 2,442,335 km (0.107 R)
• M12: 2,787,607 km (0.047 R)
• M13: 2,899,955 km (0.119 R)
• M14: 3,090,692 km (0.059 R)
• M15: 3,444,641 km (0.114 R)
• M16: 3,585,861 km (0.086 R)
• M17: 4,518,155 km (0.117 R)
• M18: 4,650,998 km (0.039 R)
• M19: 4,920,573 km (0.095 R)
• M20: 5,057,306 km (0.075 R)
• M21: 5,546,042 km (0.057 R)
• M22: 6,074,422 km (0.083 R)
• M23: 6,246,010 km (0.096 R)
• M24: 6,568,992 km (0.086 R)
• M25: 6,897,359 km (0.119 R)
• M26: 6,999,535 km (0.096 R)
• M27: 7,623,208 km (0.062 R)
• M28: 7,781,932 km (0.098 R)
• M29: 8,102,819 km (0.056 R)
• M30: 8,647,056 km (0.06 R)
• M31: 9,119,187 km (0.072 R)
• M32: 9,400,880 km (0.069 R)
• M33: 9,656,842 km (0.028 R)
• M34: 10,030,687 km (0.117 R)
• M35: 10,409,169 km (0.117 R)
• M36: 10,526,753 km (0.095 R)
• M37: 10,792,589 km (0.112 R)
• M38: 11,603,559 km (0.075 R)
• M39: 12,778,201 km (0.12 R)
• M40: 13,571,519 km (0.12 R)
• M41: 13,764,350 km (0.088 R)
• M42: 13,861,140 km (0.083 R)
• M43: 14,120,244 km (0.104 R)
• M44: 14,283,006 km (0.085 R)
• M45: 14,544,653 km (0.103 R)
• M46: 14,775,034 km (0.089 R)
• M47: 15,540,376 km (0.064 R)
• M48: 15,708,375 km (0.094 R)
• M49: 16,148,342 km (0.069 R)
• M50: 16,523,683 km (0.073 R)
• M51: 16,626,457 km (0.084 R)
• M52: 16,798,494 km (0.104 R)
• M53: 17,144,066 km (0.112 R)
• M54: 17,667,060 km (0.091 R)
• M55: 18,266,050 km (0.112 R)
• M56: 18,585,890 km (0.087 R)
• M57: 18,728,606 km (0.039 R)
• M58: 18,907,525 km (0.115 R)
• M59: 19,051,139 km (0.089 R)
• M60: 19,556,481 km (0.044 R)
• M61: 19,883,801 km (0.051 R)
• M62: 20,249,418 km (0.083 R)
• M63: 20,359,672 km (0.112 R)
• M64: 20,987,534 km (0.116 R)
• M65: 22,262,557 km (0.089 R)
• M66: 22,642,386 km (0.092 R)
• M67: 22,986,012 km (0.043 R)
• M68: 24,690,829 km (0.098 R)
• M69: 25,083,973 km (0.093 R)
• M70: 25,518,854 km (0.074 R)
• M71: 25,796,806 km (0.114 R)
• M72: 26,036,013 km (0.101 R)
• M73: 26,798,065 km (0.058 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 16,033 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit