🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.5 AU - 0.52 AU

Year: 131 Days

Day: 21.8 Hours

Environment

Temp: 192 °C

Axial Tilt: 27.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 51,819,694 km

• M1: 36,053 km (0.076 R)
• M2: 260,001 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.67 AU - 0.85 AU

Year: 238 Days

Day: 38 Hours

Environment

Temp: 148 °C

Axial Tilt: 3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.61 AU - 0.93 AU

Year: 243 Days

Day: 25.3 Hours

Environment

Temp: 155 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.46 AU - 1.64 AU

Year: 694 Days

Day: 26.7 Hours

Environment

Temp: -41 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.88 AU - 3 AU

Year: 1372 Days

Day: 28 Hours

Environment

Temp: -77 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.56 AU - 4.18 AU

Year: 2226 Days

Day: 26.9 Hours

Environment

Temp: -98 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,819,694 km

• M1: 45,777 km (0.119 R)

Asteroid Belt

Center: 6.13 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.1

Radius: 13.6

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.93 AU - 10.85 AU

Year: 9539 Days

Day: 13.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 51,819,694 km

• M1: 220,806 km (0.12 R)
• M2: 521,947 km (0.071 R)
• M3: 712,235 km (0.117 R)
• M4: 985,850 km (0.06 R)
• M5: 1,187,807 km (0.065 R)
• M6: 1,827,039 km (0.103 R)
• M7: 2,618,112 km (0.054 R)
• M8: 3,169,829 km (0.107 R)
• M9: 3,382,258 km (0.106 R)
• M10: 3,662,455 km (0.102 R)
• M11: 3,885,655 km (0.094 R)
• M12: 4,514,565 km (0.112 R)
• M13: 4,788,927 km (0.062 R)
• M14: 5,390,310 km (0.118 R)
• M15: 6,317,967 km (0.062 R)
• M16: 7,056,232 km (0.034 R)
• M17: 7,577,132 km (0.115 R)
• M18: 7,821,725 km (0.055 R)
• M19: 9,344,182 km (0.113 R)
• M20: 9,518,913 km (0.051 R)
• M21: 9,650,708 km (0.111 R)
• M22: 10,409,020 km (0.045 R)
• M23: 10,681,288 km (0.101 R)
• M24: 11,186,480 km (0.118 R)
• M25: 11,465,330 km (0.11 R)
• M26: 11,793,698 km (0.115 R)
• M27: 12,077,634 km (0.113 R)
• M28: 12,172,779 km (0.026 R)
• M29: 13,333,957 km (0.095 R)
• M30: 13,679,229 km (0.115 R)
• M31: 14,530,292 km (0.037 R)
• M32: 15,346,946 km (0.054 R)
• M33: 15,708,973 km (0.104 R)
• M34: 16,705,594 km (0.101 R)
• M35: 17,506,990 km (0.111 R)
• M36: 18,925,627 km (0.088 R)
• M37: 19,258,183 km (0.094 R)
• M38: 19,704,732 km (0.073 R)
• M39: 20,665,001 km (0.09 R)
• M40: 20,893,138 km (0.083 R)
• M41: 21,236,914 km (0.103 R)
• M42: 21,814,062 km (0.077 R)
• M43: 23,457,545 km (0.111 R)
• M44: 24,837,286 km (0.112 R)
• M45: 25,567,622 km (0.114 R)
• M46: 26,181,572 km (0.047 R)
• M47: 26,924,774 km (0.079 R)
• M48: 27,111,622 km (0.084 R)
• M49: 29,259,698 km (0.112 R)
• M50: 29,515,959 km (0.112 R)
• M51: 29,708,641 km (0.087 R)
• M52: 30,548,633 km (0.109 R)
• M53: 30,678,484 km (0.037 R)
• M54: 31,134,758 km (0.09 R)
• M55: 31,790,296 km (0.107 R)
• M56: 31,987,914 km (0.117 R)
• M57: 34,390,307 km (0.102 R)
• M58: 34,932,150 km (0.088 R)
• M59: 35,408,470 km (0.098 R)
• M60: 35,818,517 km (0.115 R)
• M61: 36,298,876 km (0.068 R)
• M62: 37,057,936 km (0.032 R)
• M63: 37,752,668 km (0.101 R)
• M64: 38,311,566 km (0.031 R)
• M65: 40,146,683 km (0.061 R)
• M66: 40,360,309 km (0.101 R)
• M67: 41,218,402 km (0.103 R)
• M68: 42,807,281 km (0.095 R)
• M69: 43,098,399 km (0.069 R)
• M70: 44,048,794 km (0.085 R)
• M71: 45,006,220 km (0.038 R)
• M72: 45,672,978 km (0.054 R)
• M73: 45,896,028 km (0.096 R)
• M74: 46,866,470 km (0.093 R)
• M75: 47,919,190 km (0.112 R)
• M76: 50,201,305 km (0.112 R)
• M77: 50,738,811 km (0.083 R)
• M78: 51,664,821 km (0.066 R)

Kuiper Belt

Range: 30.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 17,372 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit