🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.06 AU - 1.34 AU

Year: 478 Days

Day: 30.6 Hours

Environment

Temp: 11 °C

Axial Tilt: 29.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.97 AU - 1.57 AU

Year: 520 Days

Day: 12.3 Hours

Environment

Temp: -4 °C

Axial Tilt: 32.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 49,725,295 km

• M1: 24,684 km (0.087 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.41 AU - 1.93 AU

Year: 784 Days

Day: 41.9 Hours

Environment

Temp: -46 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,725,295 km

• M1: 421,567 km (0.074 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.54 AU - 2.36 AU

Year: 990 Days

Day: 16.3 Hours

Environment

Temp: -52 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.6 AU - 2.44 AU

Year: 1043 Days

Day: 28.6 Hours

Environment

Temp: -58 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.79 AU - 2.97 AU

Year: 1776 Days

Day: 15.1 Hours

Environment

Temp: -96 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.87 AU - 4.27 AU

Year: 2451 Days

Day: 44.1 Hours

Environment

Temp: -107 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.2

Radius: 12.7

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.55 AU - 10.89 AU

Year: 9358 Days

Day: 8.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 49,725,295 km

• M1: 215,122 km (0.061 R)
• M2: 365,767 km (0.1 R)
• M3: 647,011 km (0.06 R)
• M4: 745,745 km (0.106 R)
• M5: 923,168 km (0.098 R)
• M6: 1,056,311 km (0.068 R)
• M7: 1,386,323 km (0.053 R)
• M8: 1,917,246 km (0.082 R)
• M9: 2,141,643 km (0.11 R)
• M10: 3,182,695 km (0.058 R)
• M11: 5,099,343 km (0.043 R)
• M12: 5,518,815 km (0.118 R)
• M13: 5,768,643 km (0.113 R)
• M14: 6,428,370 km (0.085 R)
• M15: 6,540,718 km (0.084 R)
• M16: 6,958,096 km (0.031 R)
• M17: 7,228,270 km (0.101 R)
• M18: 7,345,106 km (0.099 R)
• M19: 7,858,825 km (0.117 R)
• M20: 8,019,343 km (0.063 R)
• M21: 8,180,760 km (0.025 R)
• M22: 8,425,202 km (0.118 R)
• M23: 8,837,793 km (0.096 R)
• M24: 10,028,144 km (0.069 R)
• M25: 10,553,681 km (0.038 R)
• M26: 10,730,954 km (0.059 R)
• M27: 11,631,683 km (0.108 R)
• M28: 12,230,374 km (0.083 R)
• M29: 12,509,972 km (0.076 R)
• M30: 13,361,633 km (0.061 R)
• M31: 13,505,397 km (0.091 R)
• M32: 13,842,889 km (0.119 R)
• M33: 14,085,687 km (0.086 R)
• M34: 15,420,997 km (0.109 R)
• M35: 16,282,531 km (0.112 R)
• M36: 17,420,373 km (0.091 R)
• M37: 18,959,436 km (0.12 R)
• M38: 19,229,161 km (0.117 R)
• M39: 20,210,822 km (0.057 R)
• M40: 20,929,939 km (0.115 R)
• M41: 21,097,040 km (0.077 R)
• M42: 21,882,877 km (0.113 R)
• M43: 22,165,917 km (0.086 R)
• M44: 23,079,660 km (0.087 R)
• M45: 23,252,446 km (0.087 R)
• M46: 23,367,786 km (0.091 R)
• M47: 23,657,108 km (0.083 R)
• M48: 24,297,686 km (0.1 R)
• M49: 24,531,956 km (0.059 R)
• M50: 24,826,066 km (0.077 R)
• M51: 25,894,195 km (0.067 R)
• M52: 26,073,562 km (0.043 R)
• M53: 27,098,457 km (0.068 R)
• M54: 28,259,636 km (0.056 R)
• M55: 28,506,024 km (0.118 R)
• M56: 29,063,276 km (0.05 R)
• M57: 29,187,592 km (0.098 R)
• M58: 29,686,800 km (0.098 R)
• M59: 30,062,889 km (0.096 R)
• M60: 31,264,459 km (0.112 R)
• M61: 31,583,252 km (0.097 R)
• M62: 32,417,260 km (0.078 R)
• M63: 33,453,674 km (0.1 R)
• M64: 34,041,444 km (0.073 R)
• M65: 34,369,512 km (0.075 R)
• M66: 34,896,396 km (0.097 R)
• M67: 35,625,387 km (0.094 R)
• M68: 35,891,820 km (0.118 R)
• M69: 36,963,689 km (0.03 R)
• M70: 37,098,477 km (0.065 R)
• M71: 38,182,313 km (0.115 R)
• M72: 40,450,367 km (0.048 R)
• M73: 40,797,733 km (0.093 R)
• M74: 41,916,276 km (0.12 R)
• M75: 43,257,571 km (0.03 R)
• M76: 43,541,657 km (0.091 R)
• M77: 44,111,924 km (0.105 R)
• M78: 44,254,940 km (0.107 R)
• M79: 44,612,927 km (0.08 R)
• M80: 44,900,006 km (0.117 R)
• M81: 45,043,769 km (0.096 R)
• M82: 45,404,001 km (0.093 R)
• M83: 46,490,081 km (0.091 R)
• M84: 47,584,839 km (0.092 R)
• M85: 48,614,222 km (0.097 R)
• M86: 49,353,983 km (0.065 R)

Kuiper Belt

Range: 30.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 19,648 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit