🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.77 AU - 0.79 AU

Year: 253 Days

Day: 31.8 Hours

Environment

Temp: 155 °C

Axial Tilt: 18.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.81 AU - 0.93 AU

Year: 298 Days

Day: 32.3 Hours

Environment

Temp: 117 °C

Axial Tilt: 8.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 54,908,263 km

• M1: 21,093 km (0.099 R)
• M2: 291,267 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.85 AU - 1.31 AU

Year: 412 Days

Day: 28.3 Hours

Environment

Temp: 3 °C

Axial Tilt: 39.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.19 AU - 1.67 AU

Year: 628 Days

Day: 33.6 Hours

Environment

Temp: -25 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.45 AU - 1.61 AU

Year: 695 Days

Day: 20.6 Hours

Environment

Temp: -38 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.43 AU - 1.71 AU

Year: 722 Days

Day: 33.2 Hours

Environment

Temp: -33 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.53 AU - 1.95 AU

Year: 843 Days

Day: 23.7 Hours

Environment

Temp: -64 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.65 AU - 2.03 AU

Year: 916 Days

Day: 20.6 Hours

Environment

Temp: -54 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.22 AU - 3.3 AU

Year: 1683 Days

Day: 15.9 Hours

Environment

Temp: -99 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,908,263 km

• M1: 56,099 km (0.112 R)

Planet 10 - Gas Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.8

Radius: 11.9

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 8.79 AU - 13.05 AU

Year: 13247 Days

Day: 7.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 54,908,263 km

• M1: 149,747 km (0.083 R)
• M2: 291,417 km (0.087 R)
• M3: 377,585 km (0.109 R)
• M4: 461,509 km (0.11 R)
• M5: 797,357 km (0.064 R)
• M6: 993,330 km (0.057 R)
• M7: 1,118,992 km (0.074 R)
• M8: 1,205,908 km (0.116 R)
• M9: 1,529,040 km (0.114 R)
• M10: 1,958,236 km (0.079 R)
• M11: 2,091,528 km (0.048 R)
• M12: 3,171,475 km (0.107 R)
• M13: 3,521,983 km (0.077 R)
• M14: 3,784,826 km (0.101 R)
• M15: 4,088,360 km (0.12 R)
• M16: 4,364,817 km (0.099 R)
• M17: 4,791,021 km (0.094 R)
• M18: 5,082,737 km (0.088 R)
• M19: 5,645,225 km (0.084 R)
• M20: 5,992,442 km (0.043 R)
• M21: 6,227,759 km (0.072 R)
• M22: 6,466,069 km (0.103 R)
• M23: 7,407,787 km (0.107 R)
• M24: 7,575,935 km (0.061 R)
• M25: 10,623,394 km (0.048 R)
• M26: 10,718,239 km (0.101 R)
• M27: 11,535,492 km (0.107 R)
• M28: 11,730,717 km (0.08 R)
• M29: 12,773,414 km (0.095 R)
• M30: 13,127,662 km (0.12 R)
• M31: 13,536,513 km (0.079 R)
• M32: 13,845,881 km (0.092 R)
• M33: 14,001,314 km (0.078 R)
• M34: 14,629,475 km (0.051 R)
• M35: 15,159,799 km (0.092 R)
• M36: 15,481,136 km (0.117 R)
• M37: 15,696,557 km (0.073 R)
• M38: 16,076,086 km (0.097 R)
• M39: 16,294,200 km (0.087 R)
• M40: 17,065,676 km (0.07 R)
• M41: 17,176,828 km (0.095 R)
• M42: 18,472,644 km (0.056 R)
• M43: 18,988,308 km (0.104 R)
• M44: 20,033,698 km (0.115 R)
• M45: 21,097,937 km (0.088 R)
• M46: 21,277,006 km (0.102 R)
• M47: 21,576,650 km (0.088 R)
• M48: 21,757,215 km (0.108 R)
• M49: 21,877,791 km (0.115 R)
• M50: 22,606,183 km (0.048 R)
• M51: 23,465,922 km (0.049 R)
• M52: 24,649,840 km (0.107 R)
• M53: 26,429,905 km (0.091 R)
• M54: 29,243,242 km (0.114 R)
• M55: 30,854,411 km (0.078 R)
• M56: 31,261,766 km (0.041 R)
• M57: 32,701,197 km (0.117 R)
• M58: 34,302,642 km (0.1 R)
• M59: 37,581,229 km (0.118 R)
• M60: 37,943,705 km (0.074 R)
• M61: 38,380,082 km (0.118 R)
• M62: 39,478,280 km (0.116 R)
• M63: 41,705,642 km (0.076 R)
• M64: 42,910,055 km (0.056 R)
• M65: 43,516,674 km (0.105 R)
• M66: 43,744,811 km (0.068 R)
• M67: 45,353,287 km (0.076 R)
• M68: 45,584,715 km (0.074 R)
• M69: 46,281,093 km (0.06 R)
• M70: 46,903,121 km (0.051 R)
• M71: 47,527,842 km (0.118 R)
• M72: 47,998,327 km (0.086 R)
• M73: 48,391,470 km (0.083 R)
• M74: 48,470,308 km (0.034 R)
• M75: 49,101,911 km (0.051 R)
• M76: 49,815,792 km (0.068 R)
• M77: 50,693,034 km (0.072 R)
• M78: 52,300,912 km (0.083 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 15,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit