🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.49 AU - 0.69 AU

Year: 158 Days

Day: 23 Hours

Environment

Temp: 173 °C

Axial Tilt: 33.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.6 AU - 0.64 AU

Year: 170 Days

Day: 30.5 Hours

Environment

Temp: 220 °C

Axial Tilt: 14.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 56,264,558 km

• M1: 205,697 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.64 AU - 0.64 AU

Year: 178 Days

Day: 41.3 Hours

Environment

Temp: 192 °C

Axial Tilt: 21.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.68 AU - 0.9 AU

Year: 245 Days

Day: 41.1 Hours

Environment

Temp: 165 °C

Axial Tilt: 12.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.81 AU - 0.91 AU

Year: 278 Days

Day: 44 Hours

Environment

Temp: 189 °C

Axial Tilt: 2.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 56,264,558 km

• M1: 415,583 km (0.057 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.03 AU - 1.61 AU

Year: 528 Days

Day: 47.8 Hours

Environment

Temp: 11 °C

Axial Tilt: 12.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 56,264,558 km

• M1: 135,835 km (0.113 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.55 AU - 2.17 AU

Year: 883 Days

Day: 19 Hours

Environment

Temp: -38 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.98 AU - 5.44 AU

Year: 3560 Days

Day: 22.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.69 AU - 6.57 AU

Year: 4652 Days

Day: 41.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,264,558 km

• M1: 1,434,045 km (0.114 R)

Asteroid Belt

Center: 7.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Gas Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919

Radius: 13.2

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.64 AU - 12.32 AU

Year: 10980 Days

Day: 9.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 56,264,558 km

• M1: 173,384 km (0.082 R)
• M2: 485,295 km (0.094 R)
• M3: 1,030,281 km (0.103 R)
• M4: 1,270,684 km (0.111 R)
• M5: 1,457,382 km (0.091 R)
• M6: 2,018,674 km (0.092 R)
• M7: 2,643,394 km (0.094 R)
• M8: 3,008,862 km (0.057 R)
• M9: 3,102,809 km (0.052 R)
• M10: 3,229,668 km (0.059 R)
• M11: 3,822,076 km (0.097 R)
• M12: 3,992,767 km (0.074 R)
• M13: 4,448,442 km (0.103 R)
• M14: 4,883,922 km (0.086 R)
• M15: 5,032,173 km (0.063 R)
• M16: 5,181,921 km (0.079 R)
• M17: 5,679,034 km (0.104 R)
• M18: 6,151,614 km (0.08 R)
• M19: 6,352,225 km (0.1 R)
• M20: 6,760,178 km (0.111 R)
• M21: 7,009,109 km (0.113 R)
• M22: 7,092,734 km (0.119 R)
• M23: 7,176,659 km (0.116 R)
• M24: 7,261,032 km (0.118 R)
• M25: 7,473,311 km (0.105 R)
• M26: 8,565,376 km (0.078 R)
• M27: 9,567,382 km (0.057 R)
• M28: 11,041,819 km (0.117 R)
• M29: 11,780,533 km (0.099 R)
• M30: 11,930,131 km (0.113 R)
• M31: 12,382,964 km (0.087 R)
• M32: 12,687,994 km (0.088 R)
• M33: 13,932,947 km (0.038 R)
• M34: 15,270,801 km (0.115 R)
• M35: 15,927,685 km (0.088 R)
• M36: 16,426,295 km (0.114 R)
• M37: 16,986,389 km (0.1 R)
• M38: 17,099,186 km (0.084 R)
• M39: 17,268,830 km (0.09 R)
• M40: 17,895,496 km (0.107 R)
• M41: 19,406,584 km (0.097 R)
• M42: 20,897,925 km (0.12 R)
• M43: 21,443,658 km (0.1 R)
• M44: 22,117,297 km (0.117 R)
• M45: 23,799,974 km (0.081 R)
• M46: 24,369,942 km (0.052 R)
• M47: 24,752,464 km (0.105 R)
• M48: 25,008,725 km (0.109 R)
• M49: 25,911,997 km (0.119 R)
• M50: 27,817,126 km (0.098 R)
• M51: 28,685,841 km (0.114 R)
• M52: 29,089,755 km (0.102 R)
• M53: 29,767,134 km (0.105 R)
• M54: 30,449,749 km (0.107 R)
• M55: 30,655,596 km (0.026 R)
• M56: 31,275,679 km (0.061 R)
• M57: 32,598,573 km (0.064 R)
• M58: 32,949,679 km (0.092 R)
• M59: 34,224,103 km (0.07 R)
• M60: 34,438,178 km (0.045 R)
• M61: 34,867,524 km (0.105 R)
• M62: 35,731,451 km (0.093 R)
• M63: 37,553,853 km (0.039 R)
• M64: 38,587,724 km (0.097 R)
• M65: 39,257,174 km (0.058 R)
• M66: 39,855,566 km (0.059 R)
• M67: 41,516,551 km (0.105 R)
• M68: 42,432,090 km (0.119 R)
• M69: 42,892,402 km (0.103 R)
• M70: 43,200,125 km (0.106 R)
• M71: 43,431,403 km (0.069 R)
• M72: 44,516,287 km (0.117 R)
• M73: 45,688,686 km (0.086 R)
• M74: 46,791,970 km (0.104 R)
• M75: 47,664,874 km (0.088 R)
• M76: 48,864,050 km (0.084 R)
• M77: 49,024,718 km (0.104 R)
• M78: 49,266,020 km (0.093 R)
• M79: 49,426,987 km (0.053 R)
• M80: 50,722,056 km (0.084 R)
• M81: 51,618,745 km (0.111 R)
• M82: 54,257,053 km (0.117 R)
• M83: 56,096,359 km (0.092 R)

Kuiper Belt

Range: 31.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 15,273 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit